diff --git a/packages/api-client-utils/src/CancelError.test.ts b/packages/api-client-utils/src/CancelError.test.ts
index c73245470..f54b4e8f8 100644
--- a/packages/api-client-utils/src/CancelError.test.ts
+++ b/packages/api-client-utils/src/CancelError.test.ts
@@ -1,20 +1,25 @@
 import { CancelError } from './CancelError'
+import { UploadcareError } from './UploadcareError'
 
 describe('CancelError', () => {
-  it('should have "isCancel" property with "true" value', async () => {
+  it('should have "isCancel" property with "true" value', () => {
     const cancelError = new CancelError('Cancelled!')
     expect(cancelError.isCancel).toBe(true)
   })
 
-  it('should have default messgage', async () => {
+  it('should have default messgage', () => {
     const cancelError = new CancelError()
     expect(cancelError.message).toBe('Request canceled')
     expect(cancelError.isCancel).toBe(true)
   })
 
-  it('should be able to pass message', async () => {
+  it('should be able to pass message', () => {
     const cancelError = new CancelError('Message')
     expect(cancelError.message).toBe('Message')
     expect(cancelError.isCancel).toBe(true)
   })
+
+  it('should be instanceof UploadcareError', () => {
+    expect(new CancelError()).toBeInstanceOf(UploadcareError)
+  })
 })
diff --git a/packages/api-client-utils/src/CancelError.ts b/packages/api-client-utils/src/CancelError.ts
index 94dc3fbb6..906b96cd2 100644
--- a/packages/api-client-utils/src/CancelError.ts
+++ b/packages/api-client-utils/src/CancelError.ts
@@ -1,7 +1,12 @@
-export class CancelError extends Error {
+import { UploadcareError } from './UploadcareError'
+
+export class CancelError extends UploadcareError {
   isCancel = true
+
   constructor(message = 'Request canceled') {
     super(message)
+
+    this.name = 'CancelError'
     Object.setPrototypeOf(this, CancelError.prototype)
   }
 }
diff --git a/packages/api-client-utils/src/NetworkError.test.ts b/packages/api-client-utils/src/NetworkError.test.ts
new file mode 100644
index 000000000..7a9a60475
--- /dev/null
+++ b/packages/api-client-utils/src/NetworkError.test.ts
@@ -0,0 +1,19 @@
+import { NetworkError } from './NetworkError'
+import { UploadcareError } from './UploadcareError'
+
+describe('NetworkError', () => {
+  it('should work', () => {
+    const progressEvent = new Event('ProgressEvent') as ProgressEvent
+    const error = new NetworkError(progressEvent)
+    expect(error.name).toBe('NetworkError')
+    expect(error.message).toBe('Network error')
+    expect(error instanceof NetworkError).toBeTruthy()
+    expect(error.originalProgressEvent).toBe(progressEvent)
+  })
+
+  it('should be instanceof UploadcareError', () => {
+    const progressEvent = new Event('ProgressEvent') as ProgressEvent
+    const error = new NetworkError(progressEvent)
+    expect(error).toBeInstanceOf(UploadcareError)
+  })
+})
diff --git a/packages/api-client-utils/src/NetworkError.ts b/packages/api-client-utils/src/NetworkError.ts
new file mode 100644
index 000000000..cf884269e
--- /dev/null
+++ b/packages/api-client-utils/src/NetworkError.ts
@@ -0,0 +1,15 @@
+import { UploadcareError } from './UploadcareError'
+
+export class NetworkError extends UploadcareError {
+  originalProgressEvent: ProgressEvent
+
+  constructor(progressEvent: ProgressEvent) {
+    super()
+
+    this.name = 'NetworkError'
+    this.message = 'Network error'
+    Object.setPrototypeOf(this, NetworkError.prototype)
+
+    this.originalProgressEvent = progressEvent
+  }
+}
diff --git a/packages/api-client-utils/src/UploadcareError.test.ts b/packages/api-client-utils/src/UploadcareError.test.ts
new file mode 100644
index 000000000..a49183f39
--- /dev/null
+++ b/packages/api-client-utils/src/UploadcareError.test.ts
@@ -0,0 +1,8 @@
+import { UploadcareError } from './UploadcareError'
+
+describe('UploadcareError', () => {
+  it('should be instanceof Error', async () => {
+    const uploadcareError = new UploadcareError('This is error!')
+    expect(uploadcareError instanceof Error).toBe(true)
+  })
+})
diff --git a/packages/api-client-utils/src/UploadcareError.ts b/packages/api-client-utils/src/UploadcareError.ts
new file mode 100644
index 000000000..934e5e590
--- /dev/null
+++ b/packages/api-client-utils/src/UploadcareError.ts
@@ -0,0 +1 @@
+export class UploadcareError extends Error {}
diff --git a/packages/api-client-utils/src/UploadcareNetworkError.test.ts b/packages/api-client-utils/src/UploadcareNetworkError.test.ts
deleted file mode 100644
index 6e343ff38..000000000
--- a/packages/api-client-utils/src/UploadcareNetworkError.test.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { UploadcareNetworkError } from './UploadcareNetworkError'
-
-describe('UploadcareNetworkError', () => {
-  it('should work', () => {
-    const progressEvent = new Event('ProgressEvent') as ProgressEvent
-    const error = new UploadcareNetworkError(progressEvent)
-    expect(error.name).toBe('UploadcareNetworkError')
-    expect(error.message).toBe('Network error')
-    expect(error instanceof UploadcareNetworkError).toBeTruthy()
-    expect(error.originalProgressEvent).toBe(progressEvent)
-  })
-})
diff --git a/packages/api-client-utils/src/UploadcareNetworkError.ts b/packages/api-client-utils/src/UploadcareNetworkError.ts
deleted file mode 100644
index 1ab3c3099..000000000
--- a/packages/api-client-utils/src/UploadcareNetworkError.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-export class UploadcareNetworkError extends Error {
-  originalProgressEvent: ProgressEvent
-
-  constructor(progressEvent: ProgressEvent) {
-    super()
-
-    this.name = 'UploadcareNetworkError'
-    this.message = 'Network error'
-    Object.setPrototypeOf(this, UploadcareNetworkError.prototype)
-
-    this.originalProgressEvent = progressEvent
-  }
-}
diff --git a/packages/api-client-utils/src/index.ts b/packages/api-client-utils/src/index.ts
index 9615590fd..c594d2ab0 100644
--- a/packages/api-client-utils/src/index.ts
+++ b/packages/api-client-utils/src/index.ts
@@ -10,7 +10,7 @@ export {
 export { isNode } from './isNode'
 export { isObject } from './isObject'
 export { retrier } from './retrier'
-export { UploadcareNetworkError } from './UploadcareNetworkError'
+export { NetworkError } from './NetworkError'
 export { ContentInfo } from './types/ContentInfo'
 export { ImageInfo } from './types/ImageInfo'
 export { Metadata } from './types/Metadata'
@@ -19,3 +19,4 @@ export { StoreValue } from './types/StoreValue'
 export { onCancel } from './onCancel'
 export { CancelError } from './CancelError'
 export { poll } from './poll'
+export { UploadcareError } from './UploadcareError'
diff --git a/packages/rest-client/src/index.ts b/packages/rest-client/src/index.ts
index e54093938..3c5f765f8 100644
--- a/packages/rest-client/src/index.ts
+++ b/packages/rest-client/src/index.ts
@@ -69,13 +69,15 @@ export {
   CustomUserAgent,
   CustomUserAgentFn,
   CustomUserAgentOptions,
-  GetUserAgentOptions
+  GetUserAgentOptions,
+  UploadcareError
 } from '@uploadcare/api-client-utils'
 
 /** Helpers from `@uploadcare/api-client-utils` */
 export { getUserAgent } from '@uploadcare/api-client-utils'
 
 /** Tools */
+export { RestClientError } from './tools/RestClientError'
 export { paginate, Paginator } from './tools/paginate'
 export { addonJobPoller, AddonJobPollerOptions } from './tools/addonJobPoller'
 export {
diff --git a/packages/rest-client/src/tools/RestClientError.test.ts b/packages/rest-client/src/tools/RestClientError.test.ts
index ef5562ce0..234a284ee 100644
--- a/packages/rest-client/src/tools/RestClientError.test.ts
+++ b/packages/rest-client/src/tools/RestClientError.test.ts
@@ -1,5 +1,6 @@
 import { RestClientError } from './RestClientError'
 import { Request, Response } from '../lib/fetch/fetch.node'
+import { UploadcareError } from '@uploadcare/api-client-utils'
 
 describe('RestClientError', () => {
   it('should work', () => {
@@ -65,4 +66,9 @@ describe('RestClientError', () => {
 
     expect(error.message).toBe('[200] OK')
   })
+
+  it('should be instanceof UploadcareError', () => {
+    const error = new RestClientError()
+    expect(error).toBeInstanceOf(UploadcareError)
+  })
 })
diff --git a/packages/rest-client/src/tools/RestClientError.ts b/packages/rest-client/src/tools/RestClientError.ts
index 5ba895bfa..51e5926f8 100644
--- a/packages/rest-client/src/tools/RestClientError.ts
+++ b/packages/rest-client/src/tools/RestClientError.ts
@@ -1,3 +1,5 @@
+import { UploadcareError } from '@uploadcare/api-client-utils'
+
 export type RestClientErrorOptions = {
   request?: Request
   response?: Response
@@ -9,7 +11,7 @@ const DEFAULT_MESSAGE = 'Unknown error'
  * TODO: it's better to split errors into something like Runtime error and
  * ServerError (RestApiError)
  */
-export class RestClientError extends Error {
+export class RestClientError extends UploadcareError {
   readonly status?: number
   readonly statusText?: string
 
diff --git a/packages/upload-client/src/api/base.ts b/packages/upload-client/src/api/base.ts
index 84f23e6e5..d312d99ce 100644
--- a/packages/upload-client/src/api/base.ts
+++ b/packages/upload-client/src/api/base.ts
@@ -7,7 +7,7 @@ import {
 import { defaultSettings } from '../defaultSettings'
 import request from '../request/request.node'
 import buildFormData from '../tools/buildFormData'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import getUrl from '../tools/getUrl'
 import { getUserAgent } from '../tools/getUserAgent'
 import { retryIfFailed } from '../tools/retryIfFailed'
@@ -100,7 +100,7 @@ export default function base(
       }).then(({ data, headers, request }) => {
         const response = camelizeKeys(JSON.parse(data)) as Response
         if ('error' in response) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
             response.error.errorCode,
             request,
diff --git a/packages/upload-client/src/api/fromUrl.ts b/packages/upload-client/src/api/fromUrl.ts
index 6f1777d71..84b4585e5 100644
--- a/packages/upload-client/src/api/fromUrl.ts
+++ b/packages/upload-client/src/api/fromUrl.ts
@@ -12,7 +12,7 @@ import getUrl from '../tools/getUrl'
 
 import defaultSettings from '../defaultSettings'
 import { getUserAgent } from '../tools/getUserAgent'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import { retryIfFailed } from '../tools/retryIfFailed'
 import { getStoreValue } from '../tools/getStoreValue'
 
@@ -118,7 +118,7 @@ export default function fromUrl(
         const response = camelizeKeys(JSON.parse(data)) as Response
 
         if ('error' in response) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
             response.error.errorCode,
             request,
diff --git a/packages/upload-client/src/api/fromUrlStatus.ts b/packages/upload-client/src/api/fromUrlStatus.ts
index f1fe99a2a..92ad21493 100644
--- a/packages/upload-client/src/api/fromUrlStatus.ts
+++ b/packages/upload-client/src/api/fromUrlStatus.ts
@@ -7,8 +7,9 @@ import getUrl from '../tools/getUrl'
 
 import defaultSettings from '../defaultSettings'
 import { getUserAgent } from '../tools/getUserAgent'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import { retryIfFailed } from '../tools/retryIfFailed'
+import { ServerErrorCode } from '../tools/ServerErrorCode'
 
 export enum Status {
   Unknown = 'unknown',
@@ -36,7 +37,7 @@ export type StatusProgressResponse = {
 export type StatusErrorResponse = {
   status: Status.Error
   error: string
-  errorCode: string
+  errorCode: ServerErrorCode
 }
 
 export type StatusSuccessResponse = {
@@ -107,9 +108,9 @@ export default function fromUrlStatus(
         const response = camelizeKeys(JSON.parse(data)) as Response
 
         if ('error' in response && !isErrorResponse(response)) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
-            undefined,
+            response.error.errorCode,
             request,
             response,
             headers
diff --git a/packages/upload-client/src/api/group.ts b/packages/upload-client/src/api/group.ts
index 923360a5c..1209c4e7b 100644
--- a/packages/upload-client/src/api/group.ts
+++ b/packages/upload-client/src/api/group.ts
@@ -7,7 +7,7 @@ import getUrl from '../tools/getUrl'
 
 import defaultSettings from '../defaultSettings'
 import { getUserAgent } from '../tools/getUserAgent'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import { retryIfFailed } from '../tools/retryIfFailed'
 
 export type GroupOptions = {
@@ -68,7 +68,7 @@ export default function group(
         const response = camelizeKeys(JSON.parse(data)) as Response
 
         if ('error' in response) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
             response.error.errorCode,
             request,
diff --git a/packages/upload-client/src/api/groupInfo.ts b/packages/upload-client/src/api/groupInfo.ts
index 28947e1c2..55249d288 100644
--- a/packages/upload-client/src/api/groupInfo.ts
+++ b/packages/upload-client/src/api/groupInfo.ts
@@ -7,7 +7,7 @@ import getUrl from '../tools/getUrl'
 
 import defaultSettings from '../defaultSettings'
 import { getUserAgent } from '../tools/getUserAgent'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import { retryIfFailed } from '../tools/retryIfFailed'
 
 export type GroupInfoOptions = {
@@ -58,7 +58,7 @@ export default function groupInfo(
         const response = camelizeKeys(JSON.parse(data)) as Response
 
         if ('error' in response) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
             response.error.errorCode,
             request,
diff --git a/packages/upload-client/src/api/info.ts b/packages/upload-client/src/api/info.ts
index c870c9c58..f451646ad 100644
--- a/packages/upload-client/src/api/info.ts
+++ b/packages/upload-client/src/api/info.ts
@@ -3,7 +3,7 @@ import getUrl from '../tools/getUrl'
 import defaultSettings from '../defaultSettings'
 import { getUserAgent } from '../tools/getUserAgent'
 import { camelizeKeys, CustomUserAgent } from '@uploadcare/api-client-utils'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import { retryIfFailed } from '../tools/retryIfFailed'
 
 /* Types */
@@ -59,7 +59,7 @@ export default function info(
         const response = camelizeKeys(JSON.parse(data)) as Response
 
         if ('error' in response) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
             response.error.errorCode,
             request,
diff --git a/packages/upload-client/src/api/multipartComplete.ts b/packages/upload-client/src/api/multipartComplete.ts
index 997dbca74..adf33331e 100644
--- a/packages/upload-client/src/api/multipartComplete.ts
+++ b/packages/upload-client/src/api/multipartComplete.ts
@@ -8,7 +8,7 @@ import getUrl from '../tools/getUrl'
 import defaultSettings from '../defaultSettings'
 import { getUserAgent } from '../tools/getUserAgent'
 import { retryIfFailed } from '../tools/retryIfFailed'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 
 export type MultipartCompleteOptions = {
   publicKey: string
@@ -55,7 +55,7 @@ export default function multipartComplete(
         const response = camelizeKeys(JSON.parse(data)) as Response
 
         if ('error' in response) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
             response.error.errorCode,
             request,
diff --git a/packages/upload-client/src/api/multipartStart.ts b/packages/upload-client/src/api/multipartStart.ts
index 4db02eb34..7aa12376a 100644
--- a/packages/upload-client/src/api/multipartStart.ts
+++ b/packages/upload-client/src/api/multipartStart.ts
@@ -17,7 +17,7 @@ import {
 } from '../defaultSettings'
 import { getUserAgent } from '../tools/getUserAgent'
 import { retryIfFailed } from '../tools/retryIfFailed'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import { getStoreValue } from '../tools/getStoreValue'
 
 export type MultipartStartOptions = {
@@ -94,7 +94,7 @@ export default function multipartStart(
         const response = camelizeKeys(JSON.parse(data)) as Response
 
         if ('error' in response) {
-          throw new UploadClientError(
+          throw new UploadError(
             response.error.content,
             response.error.errorCode,
             request,
diff --git a/packages/upload-client/src/index.ts b/packages/upload-client/src/index.ts
index 94d41ad21..033633aee 100644
--- a/packages/upload-client/src/index.ts
+++ b/packages/upload-client/src/index.ts
@@ -64,7 +64,7 @@ export { uploadFileGroup, type GroupFromOptions } from './uploadFileGroup'
 export { default as UploadClient } from './UploadClient'
 export {
   getUserAgent,
-  UploadcareNetworkError,
+  NetworkError,
   Metadata,
   ContentInfo,
   ImageInfo,
@@ -75,15 +75,26 @@ export {
   CustomUserAgent,
   CustomUserAgentFn,
   CustomUserAgentOptions,
-  GetUserAgentOptions
+  GetUserAgentOptions,
+  CancelError,
+  UploadcareError
 } from '@uploadcare/api-client-utils'
 export { Queue } from './tools/Queue'
 
+import { NetworkError } from '@uploadcare/api-client-utils'
+/** @deprecated Please use NetworkError instead. */
+export const UploadcareNetworkError = NetworkError
+
 /* Types */
 export { Headers, ErrorRequestInfo } from './request/types'
 export { UploadcareFile } from './tools/UploadcareFile'
 export { UploadcareGroup } from './tools/UploadcareGroup'
-export { UploadClientError, ErrorResponseInfo } from './tools/errors'
+export { UploadError, ErrorResponseInfo } from './tools/UploadError'
+
+import { UploadError } from './tools/UploadError'
+/** @deprecated Please use UploadError instead. */
+export const UploadClientError = UploadError
+
 export { Settings, SupportedFileInput as SupportedFileInput } from './types'
 export {
   NodeFile as NodeFile,
diff --git a/packages/upload-client/src/request/request.browser.ts b/packages/upload-client/src/request/request.browser.ts
index 7ee6d1252..3b58c0bee 100644
--- a/packages/upload-client/src/request/request.browser.ts
+++ b/packages/upload-client/src/request/request.browser.ts
@@ -1,6 +1,6 @@
 import { RequestOptions, RequestResponse } from './types'
 import {
-  UploadcareNetworkError,
+  NetworkError,
   onCancel,
   CancelError
 } from '@uploadcare/api-client-utils'
@@ -94,7 +94,7 @@ const request = ({
       if (aborted) return
 
       // only triggers if the request couldn't be made at all
-      reject(new UploadcareNetworkError(progressEvent))
+      reject(new NetworkError(progressEvent))
     }
 
     if (onProgress && typeof onProgress === 'function') {
diff --git a/packages/upload-client/src/request/types.ts b/packages/upload-client/src/request/types.ts
index 32b129ae8..642c5023b 100644
--- a/packages/upload-client/src/request/types.ts
+++ b/packages/upload-client/src/request/types.ts
@@ -5,6 +5,7 @@ import {
   UnknownProgressInfo
 } from '../api/types'
 import { SupportedFileInput } from '../types'
+import { ServerErrorCode } from '../tools/ServerErrorCode'
 
 export type Headers = {
   [key: string]: string | string[] | undefined
@@ -39,6 +40,6 @@ export type FailedResponse = {
   error: {
     content: string
     statusCode: number
-    errorCode: string
+    errorCode: ServerErrorCode
   }
 }
diff --git a/packages/upload-client/src/tools/ServerErrorCode.ts b/packages/upload-client/src/tools/ServerErrorCode.ts
new file mode 100644
index 000000000..d72ab2e1e
--- /dev/null
+++ b/packages/upload-client/src/tools/ServerErrorCode.ts
@@ -0,0 +1,97 @@
+/** @see https://uploadcare.com/api-refs/upload-api/#tag/Errors */
+export type ServerErrorCode =
+  // Base upload errors:
+  | 'AccountBlockedError' //	403	Account has been blocked.
+  | 'AccountLimitsExceededError' //	403	Account has reached its limits.
+  | 'AccountUnpaidError' //	403	Account has been blocked for non payment.
+  | 'AutostoreDisabledError' //	403	Autostore is disabled.
+  | 'BaseViewsError' //	400	Request processing failed.
+  | 'FileMetadataKeyDuplicatedError' //	400	File's metadata key `%s` has a duplicate.
+  | 'FileMetadataKeyEmptyError' //	400	File's metadata key can not be empty.
+  | 'FileMetadataKeyForbiddenError' //	400	File's metadata key `%s` contains symbols not allowed by the metadata key format.
+  | 'FileMetadataKeyLengthTooBigError' //	400	Length of file metadata key `%s` can not be more than %d symbols.
+  | 'FileMetadataKeysNumberTooBigError' //	400	A file can not have more than %d metadata keys.
+  | 'FileMetadataValueEmptyError' //	400	Value of the file metadata key `%s` can not be empty.
+  | 'FileMetadataValueForbiddenError' //	400	Value of file metadata key `%s` contains symbols not allowed by the metadata value format.
+  | 'FileMetadataValueLengthTooBigError' //	400	Value of file metadata's key `%s` can not be more than %d symbols in length.
+  | 'FileSizeLimitExceededError' //	400	File is too large.
+  | 'MethodNotAllowedError' //	405	HTTP method %s is not allowed for %s
+  | 'NullCharactersForbiddenError' //	400	Null characters are not allowed.
+  | 'PostRequestParserFailedError' //	400	HTTP POST request parsing failed.
+  | 'ProjectPublicKeyInvalidError' //	403	%s is invalid.
+  | 'ProjectPublicKeyRemovedError' //	403	Project %s is marked as removed.
+  | 'ProjectPublicKeyRequiredError' //	403	%s is required.
+  | 'RequestFileNumberLimitExceededError' //	400	The request contains too many files.
+  | 'RequestFiledsNumberLimitExceededError' //	400	The request contains too many HTTP POST fields.
+  | 'RequestSizeLimitExceededError' //	413	The size of the request is too large.
+  | 'RequestThrottledError' //	429	Request was throttled.
+  | 'SignatureExpirationError' //	403	Expired signature.
+  | 'SignatureExpirationInvalidError' //	400	`expire` must be a UNIX timestamp.
+  | 'SignatureExpirationRequiredError' //	400	`expire` is required.
+  | 'SignatureInvalidError' //	403	Invalid signature.
+  | 'SignatureRequiredError' //	400	`signature` is required.
+  | 'UploadAPIError' //	500	Internal error.
+  | 'UploadFailedError' //	403	Upload failed.
+  // FromURL upload errors:
+  | 'DownloadFileError' //	500	Failed to download the file.
+  | 'DownloadFileHTTPClientError' //	500	HTTP client error: %s.
+  | 'DownloadFileHTTPNetworkError' //	500	HTTP network error: %s.
+  | 'DownloadFileHTTPServerError' //	500	HTTP server error: %s.
+  | 'DownloadFileHTTPURLValidationError' //	500	HTTP URL validation error: %s.
+  | 'DownloadFileInternalServerError' //	500	Internal server error.
+  | 'DownloadFileNotFoundError' //	500	downloaded file not found.
+  | 'DownloadFileSizeLimitExceededError' //	500	Downloaded file is too big: %s > %s.
+  | 'DownloadFileTaskFailedError' //	500	download task failed.
+  | 'DownloadFileTimeLimitExceededError' //	500	Failed to download the file within the allotted time limit of %s seconds.
+  | 'DownloadFileValidationFailedError' //	500	File validation error: %s
+  // File upload errors:
+  | 'FileIdInvalidError' //	400	file_id is invalid.
+  | 'FileIdNotUniqueError' //	400	File id must be unique.
+  | 'FileIdRequiredError' //	400	file_id is required.
+  | 'FileNotFoundError' //	404	File is not found.
+  | 'FileRequiredError' //	400	There should be a file.
+  | 'FilesNumberLimitExceededError' //	400	There are too many files.
+  | 'FilesRequiredError' //	400	Request does not contain files.
+  | 'InternalRequestForbiddenError' //	403	Forbidden request.
+  | 'InternalRequestInvalidError' //	400	Incorrect request.
+  | 'MultipartFileAlreadyUploadedError' //	400	File is already uploaded.
+  | 'MultipartFileCompletionFailedError' //	400	Can not complete upload. Wrong parts size?
+  | 'MultipartFileIdRequiredError' //	400	uuid is required.
+  | 'MultipartFileNotFoundError' //	404	File is not found.
+  | 'MultipartFileSizeLimitExceededError' //	400	File size exceeds project limit.
+  | 'MultipartFileSizeTooSmallError' //	400	File size can not be less than %d bytes. Please use direct upload instead of multipart.
+  | 'MultipartPartSizeInvalidError' //	400	Multipart Upload Part Size should be an integer.
+  | 'MultipartPartSizeTooBigError' //	400	Multipart Upload Part Size can not be more than %d bytes.
+  | 'MultipartPartSizeTooSmallError' //	400	Multipart Upload Part Size can not be less than %d bytes.
+  | 'MultipartSizeInvalidError' //	400	size should be integer.
+  | 'MultipartUploadSizeTooLargeError' //	400	Uploaded size is more than expected.
+  | 'MultipartUploadSizeTooSmallError' //	400	File size mismatch. Not all parts uploaded?
+  | 'RequestParamRequiredError' //	400	%s is required.
+  | 'SourceURLRequiredError' //	400	source_url is required.
+  | 'TokenRequiredError' //	400	token is required.
+  | 'UUIDInvalidError' //	400	uuid is invalid.
+  | 'UploadViewsError' //	400	Upload request processing failed.
+  | 'UploadcareFileIdDuplicatedError' //	400	UPLOADCARE_FILE_ID is duplicated. You are probably a lottery winner.
+  | 'UploadcareFileIdInvalidError' //	400	UPLOADCARE_FILE_ID should be a valid UUID.
+  | 'UploadcareFileIdRequiredError' //	400	UPLOADCARE_FILE_ID is required.
+  // File group errors:
+  | 'GroupFileURLParsingFailedError' //	400	This is not valid file url: %s.
+  | 'GroupFilesInvalidError' //	400	No files[N] parameters found.
+  | 'GroupFilesNotFoundError' //	400	Some files not found.
+  | 'GroupIdRequiredError' //	400	group_id is required.
+  | 'GroupNotFoundError' //	404	group_id is invalid.
+  | 'GroupViewsError' //	400	Request to group processing failed.
+  // File content validation errors:
+  | 'FileInfectedError' //	400	The file is infected by %s virus.
+  | 'FileTypeForbiddenError' //	400	Uploading of these file types is not allowed.
+  // URL validation errors:
+  | 'HostnameNotFoundError' //	400	Host does not exist.
+  | 'URLBlacklistedError' //	400	Source is blacklisted.
+  | 'URLHostMalformedError' //	400	URL host is malformed.
+  | 'URLHostPrivateIPForbiddenError' //	400	Only public IPs are allowed.
+  | 'URLHostRequiredError' //	400	No URL host supplied.
+  | 'URLParsingFailedError' //	400	Failed to parse URL.
+  | 'URLRedirectsLimitExceededError' //	400	Too many redirects.
+  | 'URLSchemeInvalidError' //	400	Invalid URL scheme.
+  | 'URLSchemeRequiredError' //	400	No URL scheme supplied.
+  | 'URLValidationError' //	400	Failed to validate URL.
diff --git a/packages/upload-client/src/tools/errors.ts b/packages/upload-client/src/tools/UploadError.ts
similarity index 61%
rename from packages/upload-client/src/tools/errors.ts
rename to packages/upload-client/src/tools/UploadError.ts
index ccea15752..59baf697f 100644
--- a/packages/upload-client/src/tools/errors.ts
+++ b/packages/upload-client/src/tools/UploadError.ts
@@ -1,37 +1,37 @@
+import { UploadcareError } from '@uploadcare/api-client-utils'
 import { Headers, ErrorRequestInfo } from '../request/types'
+import type { ServerErrorCode } from './ServerErrorCode'
 
 export type ErrorResponseInfo = {
   error?: {
     statusCode: number
     content: string
-    errorCode: string
+    errorCode: ServerErrorCode
   }
 }
 
-export class UploadClientError extends Error {
-  isCancel?: boolean
-
-  readonly code?: string
+export class UploadError extends UploadcareError {
+  readonly code?: ServerErrorCode
   readonly request?: ErrorRequestInfo
   readonly response?: ErrorResponseInfo
   readonly headers?: Headers
 
   constructor(
     message: string,
-    code?: string,
+    code?: ServerErrorCode,
     request?: ErrorRequestInfo,
     response?: ErrorResponseInfo,
     headers?: Headers
   ) {
     super()
 
-    this.name = 'UploadClientError'
+    this.name = 'UploadError'
     this.message = message
     this.code = code
     this.request = request
     this.response = response
     this.headers = headers
 
-    Object.setPrototypeOf(this, UploadClientError.prototype)
+    Object.setPrototypeOf(this, UploadError.prototype)
   }
 }
diff --git a/packages/upload-client/src/tools/retryIfFailed.ts b/packages/upload-client/src/tools/retryIfFailed.ts
index 9c52effa9..0f73ac265 100644
--- a/packages/upload-client/src/tools/retryIfFailed.ts
+++ b/packages/upload-client/src/tools/retryIfFailed.ts
@@ -1,11 +1,11 @@
-import { UploadClientError } from './errors'
-import { retrier, UploadcareNetworkError } from '@uploadcare/api-client-utils'
+import { UploadError } from './UploadError'
+import { retrier, NetworkError } from '@uploadcare/api-client-utils'
 
 const REQUEST_WAS_THROTTLED_CODE = 'RequestThrottledError'
 const DEFAULT_RETRY_AFTER_TIMEOUT = 15000
 const DEFAULT_NETWORK_ERROR_TIMEOUT = 1000
 
-function getTimeoutFromThrottledRequest(error: UploadClientError): number {
+function getTimeoutFromThrottledRequest(error: UploadError): number {
   const { headers } = error || {}
   if (!headers || typeof headers['retry-after'] !== 'string') {
     return DEFAULT_RETRY_AFTER_TIMEOUT
@@ -28,7 +28,7 @@ export function retryIfFailed<T>(
 ): Promise<T> {
   const { retryThrottledRequestMaxTimes, retryNetworkErrorMaxTimes } = options
   return retrier(({ attempt, retry }) =>
-    fn().catch((error: Error | UploadClientError | UploadcareNetworkError) => {
+    fn().catch((error: Error | UploadError | NetworkError) => {
       if (
         'response' in error &&
         error?.code === REQUEST_WAS_THROTTLED_CODE &&
@@ -38,7 +38,7 @@ export function retryIfFailed<T>(
       }
 
       if (
-        error instanceof UploadcareNetworkError &&
+        error instanceof NetworkError &&
         attempt < retryNetworkErrorMaxTimes
       ) {
         return retry((attempt + 1) * DEFAULT_NETWORK_ERROR_TIMEOUT)
diff --git a/packages/upload-client/src/uploadFile/pusher.ts b/packages/upload-client/src/uploadFile/pusher.ts
index d39f3d6f6..60944e96c 100644
--- a/packages/upload-client/src/uploadFile/pusher.ts
+++ b/packages/upload-client/src/uploadFile/pusher.ts
@@ -1,7 +1,8 @@
 import WebSocket from '../tools/sockets.node'
 
-import { FileInfo } from '../api/types'
 import { Status } from '../api/fromUrlStatus'
+import { FileInfo } from '../api/types'
+import { ServerErrorCode } from '../tools/ServerErrorCode'
 import { Events } from './events'
 
 type AllStatuses =
@@ -19,7 +20,7 @@ type StatusErrorResponse = {
   status: Status.Error
   msg: string
   url: string
-  error_code: string
+  error_code: ServerErrorCode
 }
 
 type StatusSuccessResponse = {
diff --git a/packages/upload-client/src/uploadFile/uploadFromUrl.ts b/packages/upload-client/src/uploadFile/uploadFromUrl.ts
index 7d896e50b..d42ba548e 100644
--- a/packages/upload-client/src/uploadFile/uploadFromUrl.ts
+++ b/packages/upload-client/src/uploadFile/uploadFromUrl.ts
@@ -1,6 +1,6 @@
 import fromUrlStatus, { Status } from '../api/fromUrlStatus'
 import fromUrl, { TypeEnum, FromUrlOptions } from '../api/fromUrl'
-import { UploadClientError } from '../tools/errors'
+import { UploadError } from '../tools/UploadError'
 import { race } from '../tools/race'
 import { isReadyPoll } from '../tools/isReadyPoll'
 import defaultSettings from '../defaultSettings'
@@ -35,8 +35,8 @@ function pollStrategy({
   retryNetworkErrorMaxTimes?: number
   onProgress?: ProgressCallback
   signal?: AbortSignal
-}): Promise<FileInfo | UploadClientError> {
-  return poll<FileInfo | UploadClientError>({
+}): Promise<FileInfo | UploadError> {
+  return poll<FileInfo | UploadError>({
     check: (signal) =>
       fromUrlStatus(token, {
         publicKey,
@@ -49,13 +49,13 @@ function pollStrategy({
       }).then((response) => {
         switch (response.status) {
           case Status.Error: {
-            return new UploadClientError(response.error, response.errorCode)
+            return new UploadError(response.error, response.errorCode)
           }
           case Status.Waiting: {
             return false
           }
           case Status.Unknown: {
-            return new UploadClientError(`Token "${token}" was not found.`)
+            return new UploadError(`Token "${token}" was not found.`)
           }
           case Status.Progress: {
             if (onProgress) {
@@ -103,7 +103,7 @@ const pushStrategy = ({
   pusherKey: string
   signal: AbortSignal
   onProgress?: ProgressCallback
-}): Promise<FileInfo | UploadClientError> =>
+}): Promise<FileInfo | UploadError> =>
   new Promise((resolve, reject) => {
     const pusher = getPusher(pusherKey)
     const unsubErrorHandler = pusher.onError(reject)
@@ -146,7 +146,7 @@ const pushStrategy = ({
 
         case Status.Error: {
           destroy()
-          reject(new UploadClientError(result.msg, result.error_code))
+          reject(new UploadError(result.msg, result.error_code))
         }
       }
     })
@@ -202,9 +202,9 @@ export const uploadFromUrl = (
       if (urlResponse.type === TypeEnum.FileInfo) {
         return urlResponse
       } else {
-        return race<FileInfo | UploadClientError>(
+        return race<FileInfo | UploadError>(
           [
-            ({ signal }): Promise<FileInfo | UploadClientError> =>
+            ({ signal }): Promise<FileInfo | UploadError> =>
               pollStrategy({
                 token: urlResponse.token,
                 publicKey,
@@ -215,7 +215,7 @@ export const uploadFromUrl = (
                 onProgress,
                 signal
               }),
-            ({ signal }): Promise<FileInfo | UploadClientError> =>
+            ({ signal }): Promise<FileInfo | UploadError> =>
               pushStrategy({
                 token: urlResponse.token,
                 pusherKey,
@@ -228,7 +228,7 @@ export const uploadFromUrl = (
       }
     })
     .then((result) => {
-      if (result instanceof UploadClientError) throw result
+      if (result instanceof UploadError) throw result
 
       return result
     })
diff --git a/packages/upload-client/test/api/base.test.ts b/packages/upload-client/test/api/base.test.ts
index 887e50484..9e0d1285e 100644
--- a/packages/upload-client/test/api/base.test.ts
+++ b/packages/upload-client/test/api/base.test.ts
@@ -1,6 +1,6 @@
 import base from '../../src/api/base'
 import * as factory from '../_fixtureFactory'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { assertComputableProgress } from '../_helpers'
 import { jest, expect } from '@jest/globals'
 
@@ -48,10 +48,10 @@ describe('API - base', () => {
     try {
       await base(fileToUpload.data, { publicKey })
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/fromUrl.test.ts b/packages/upload-client/test/api/fromUrl.test.ts
index 2fd7d0659..c9a12e00e 100644
--- a/packages/upload-client/test/api/fromUrl.test.ts
+++ b/packages/upload-client/test/api/fromUrl.test.ts
@@ -1,7 +1,7 @@
 import fromUrl, { TypeEnum } from '../../src/api/fromUrl'
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 
 describe('API - from url', () => {
   const sourceUrl = factory.imageUrl('valid')
@@ -68,10 +68,8 @@ describe('API - from url', () => {
     try {
       await fromUrl(sourceUrl, { publicKey })
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/fromUrlStatus.test.ts b/packages/upload-client/test/api/fromUrlStatus.test.ts
index cee5a1863..dd359d578 100644
--- a/packages/upload-client/test/api/fromUrlStatus.test.ts
+++ b/packages/upload-client/test/api/fromUrlStatus.test.ts
@@ -1,7 +1,7 @@
 import fromUrlStatus, { Status } from '../../src/api/fromUrlStatus'
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 
 describe('API - from url status', () => {
   const token = factory.token('valid')
@@ -50,10 +50,10 @@ describe('API - from url status', () => {
     try {
       await fromUrlStatus('token', { publicKey })
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/group.test.ts b/packages/upload-client/test/api/group.test.ts
index 111baebd8..2192e1085 100644
--- a/packages/upload-client/test/api/group.test.ts
+++ b/packages/upload-client/test/api/group.test.ts
@@ -1,7 +1,7 @@
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting } from '../_helpers'
 import group from '../../src/api/group'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { GroupFileInfo } from '../../src'
 
 describe('API - group', () => {
@@ -69,10 +69,8 @@ describe('API - group', () => {
     try {
       await group([], { publicKey })
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/groupInfo.test.ts b/packages/upload-client/test/api/groupInfo.test.ts
index bedf34007..f9a7b8828 100644
--- a/packages/upload-client/test/api/groupInfo.test.ts
+++ b/packages/upload-client/test/api/groupInfo.test.ts
@@ -2,7 +2,7 @@ import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting } from '../_helpers'
 import group from '../../src/api/group'
 import groupInfo from '../../src/api/groupInfo'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 
 describe('API - group info', () => {
   const files = factory.groupOfFiles('valid')
@@ -50,10 +50,8 @@ describe('API - group info', () => {
     try {
       await groupInfo('id', { publicKey })
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/info.test.ts b/packages/upload-client/test/api/info.test.ts
index 35f7c48e1..94cbe84a0 100644
--- a/packages/upload-client/test/api/info.test.ts
+++ b/packages/upload-client/test/api/info.test.ts
@@ -1,7 +1,7 @@
 import info from '../../src/api/info'
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 
 describe('API - info', () => {
   it('should return file info', async () => {
@@ -46,10 +46,8 @@ describe('API - info', () => {
     try {
       await info('uuid', { publicKey })
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/multipartComplete.test.ts b/packages/upload-client/test/api/multipartComplete.test.ts
index b6b1a9582..44b828fb3 100644
--- a/packages/upload-client/test/api/multipartComplete.test.ts
+++ b/packages/upload-client/test/api/multipartComplete.test.ts
@@ -3,7 +3,7 @@ import multipartUpload from '../../src/api/multipartUpload'
 import multipartComplete from '../../src/api/multipartComplete'
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { jest, expect } from '@jest/globals'
 
 const getChunk = (
@@ -74,7 +74,7 @@ describe('API - multipartComplete', () => {
 
     await expect(
       multipartComplete(completedUuid, settings)
-    ).rejects.toThrowError(new UploadClientError('Request canceled'))
+    ).rejects.toThrowError(new UploadError('Request canceled'))
 
     expect(Date.now() - time).toBeLessThan(200) // could be slow on ci
   })
@@ -87,7 +87,7 @@ describe('API - multipartComplete', () => {
     const upload = multipartComplete('', settings)
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError('uuid is required.')
+      new UploadError('uuid is required.')
     )
   })
 
@@ -97,10 +97,10 @@ describe('API - multipartComplete', () => {
     try {
       await multipartComplete('', { publicKey })
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/multipartStart.test.ts b/packages/upload-client/test/api/multipartStart.test.ts
index a5170a593..6c98ee9c0 100644
--- a/packages/upload-client/test/api/multipartStart.test.ts
+++ b/packages/upload-client/test/api/multipartStart.test.ts
@@ -1,7 +1,7 @@
 import multipartStart from '../../src/api/multipartStart'
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 
 describe('API - multipartStart', () => {
   const size = factory.file(12).size
@@ -31,7 +31,7 @@ describe('API - multipartStart', () => {
     })
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -45,7 +45,7 @@ describe('API - multipartStart', () => {
     const upload = multipartStart(size, settings)
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError(
+      new UploadError(
         'File size can not be less than 10485760 bytes. Please use direct upload instead of multipart.'
       )
     )
@@ -61,10 +61,10 @@ describe('API - multipartStart', () => {
     try {
       await multipartStart(size, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/api/multipartUpload.test.ts b/packages/upload-client/test/api/multipartUpload.test.ts
index 6a77063f7..c761ab1aa 100644
--- a/packages/upload-client/test/api/multipartUpload.test.ts
+++ b/packages/upload-client/test/api/multipartUpload.test.ts
@@ -2,7 +2,7 @@ import * as factory from '../_fixtureFactory'
 import multipartUpload from '../../src/api/multipartUpload'
 import { getSettingsForTesting, assertComputableProgress } from '../_helpers'
 import multipartStart from '../../src/api/multipartStart'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { jest, expect } from '@jest/globals'
 
 let parts: [string, Blob | Buffer][] = []
@@ -50,7 +50,7 @@ describe('API - multipartUpload', () => {
     })
 
     await expect(multipartUpload(part, url, options)).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -76,10 +76,10 @@ describe('API - multipartUpload', () => {
     try {
       await multipartUpload(part, url, options)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/browser/request.test.ts b/packages/upload-client/test/browser/request.test.ts
index 58847c128..1a19c91a7 100644
--- a/packages/upload-client/test/browser/request.test.ts
+++ b/packages/upload-client/test/browser/request.test.ts
@@ -1,6 +1,6 @@
 /** @jest-environment jsdom */
 
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import request from '../../src/request/request.browser'
 import getUrl from '../../src/tools/getUrl'
 import { jest, expect } from '@jest/globals'
@@ -53,7 +53,7 @@ describe('request', () => {
         }),
         signal: cntr.signal
       })
-    ).rejects.toThrowError(new UploadClientError('Request canceled'))
+    ).rejects.toThrowError(new UploadError('Request canceled'))
   })
 
   it('should handle progress', async () => {
diff --git a/packages/upload-client/test/tools/UploadError.test.ts b/packages/upload-client/test/tools/UploadError.test.ts
new file mode 100644
index 000000000..ab51176d9
--- /dev/null
+++ b/packages/upload-client/test/tools/UploadError.test.ts
@@ -0,0 +1,34 @@
+import { UploadcareError } from '@uploadcare/api-client-utils'
+import { UploadError } from '../../src/tools/UploadError'
+
+describe('UploadError', () => {
+  it('should work', () => {
+    const error = new UploadError('test error')
+
+    expect(error instanceof UploadError).toBeTruthy()
+  })
+
+  it('should have message', () => {
+    const error = new UploadError('test error')
+
+    expect(error.message).toBe('test error')
+  })
+
+  it('should have code', () => {
+    const error = new UploadError('test error', 'AccountBlockedError')
+
+    expect(error.message).toBe('test error')
+    expect(error.code).toBe('AccountBlockedError')
+  })
+
+  it('should have stack', () => {
+    const error = new UploadError('test error')
+
+    expect(error.stack).toBeDefined()
+  })
+
+  it('should be instanceof UploadcareError', () => {
+    const error = new UploadError('test error')
+    expect(error).toBeInstanceOf(UploadcareError)
+  })
+})
diff --git a/packages/upload-client/test/tools/errors.test.ts b/packages/upload-client/test/tools/errors.test.ts
deleted file mode 100644
index 5cbe43376..000000000
--- a/packages/upload-client/test/tools/errors.test.ts
+++ /dev/null
@@ -1,28 +0,0 @@
-import { UploadClientError } from '../../src/tools/errors'
-
-describe('UploadClientError', () => {
-  it('should work', () => {
-    const error = new UploadClientError('test error')
-
-    expect(error instanceof UploadClientError).toBeTruthy()
-  })
-
-  it('should have message', () => {
-    const error = new UploadClientError('test error')
-
-    expect(error.message).toBe('test error')
-  })
-
-  it('should have code', () => {
-    const error = new UploadClientError('test error', 'error code')
-
-    expect(error.message).toBe('test error')
-    expect(error.code).toBe('error code')
-  })
-
-  it('should have stack', () => {
-    const error = new UploadClientError('test error')
-
-    expect(error.stack).toBeDefined()
-  })
-})
diff --git a/packages/upload-client/test/tools/retryIfFailed.test.ts b/packages/upload-client/test/tools/retryIfFailed.test.ts
index 23f8a0936..199e819ef 100644
--- a/packages/upload-client/test/tools/retryIfFailed.test.ts
+++ b/packages/upload-client/test/tools/retryIfFailed.test.ts
@@ -1,7 +1,7 @@
 import { retryIfFailed } from '../../src/tools/retryIfFailed'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { jest, expect } from '@jest/globals'
-import { UploadcareNetworkError } from '@uploadcare/api-client-utils'
+import { NetworkError } from '@uploadcare/api-client-utils'
 
 const createRunner = ({
   attempts = 10,
@@ -31,7 +31,7 @@ const createRunner = ({
   return { spy, task }
 }
 
-const throttledError = new UploadClientError(
+const throttledError = new UploadError(
   'test error',
   'RequestThrottledError',
   undefined,
@@ -45,7 +45,7 @@ const throttledError = new UploadClientError(
   { 'retry-after': '1' }
 )
 
-const networkError = new UploadcareNetworkError(
+const networkError = new NetworkError(
   new Event('ProgressEvent') as ProgressEvent
 )
 
@@ -76,7 +76,7 @@ describe('retryIfFailed', () => {
       expect(spy).toHaveBeenCalledTimes(1)
     })
 
-    it('should be rejected with UploadClientError if MaxTimes = 0', async () => {
+    it('should be rejected with UploadError if MaxTimes = 0', async () => {
       const { spy, task } = createRunner({ error: throttledError })
 
       await expect(
@@ -84,7 +84,7 @@ describe('retryIfFailed', () => {
           retryThrottledRequestMaxTimes: 0,
           retryNetworkErrorMaxTimes: 0
         })
-      ).rejects.toThrowError(UploadClientError)
+      ).rejects.toThrowError(UploadError)
       expect(spy).toHaveBeenCalledTimes(1)
     })
 
@@ -143,7 +143,7 @@ describe('retryIfFailed', () => {
       expect(spy).toHaveBeenCalledTimes(1)
     })
 
-    it('should be rejected with UploadcareNetworkError if MaxTimes = 0', async () => {
+    it('should be rejected with NetworkError if MaxTimes = 0', async () => {
       const { spy, task } = createRunner({ error: networkError })
 
       await expect(
@@ -151,7 +151,7 @@ describe('retryIfFailed', () => {
           retryNetworkErrorMaxTimes: 0,
           retryThrottledRequestMaxTimes: 0
         })
-      ).rejects.toThrowError(UploadcareNetworkError)
+      ).rejects.toThrowError(NetworkError)
       expect(spy).toHaveBeenCalledTimes(1)
     })
 
diff --git a/packages/upload-client/test/uploadFile/uploadDirect.test.ts b/packages/upload-client/test/uploadFile/uploadDirect.test.ts
index 5d727863d..af1427a58 100644
--- a/packages/upload-client/test/uploadFile/uploadDirect.test.ts
+++ b/packages/upload-client/test/uploadFile/uploadDirect.test.ts
@@ -1,6 +1,6 @@
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting, assertComputableProgress } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { uploadDirect } from '../../src/uploadFile/uploadDirect'
 import { jest, expect } from '@jest/globals'
 
@@ -89,10 +89,10 @@ describe('uploadDirect', () => {
     try {
       await uploadDirect(fileToUpload, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/uploadFile/uploadFromUploaded.test.ts b/packages/upload-client/test/uploadFile/uploadFromUploaded.test.ts
index 8471b5660..0f3e426f0 100644
--- a/packages/upload-client/test/uploadFile/uploadFromUploaded.test.ts
+++ b/packages/upload-client/test/uploadFile/uploadFromUploaded.test.ts
@@ -1,6 +1,6 @@
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting, assertComputableProgress } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { uploadFromUploaded } from '../../src/uploadFile/uploadFromUploaded'
 import { jest, expect } from '@jest/globals'
 
@@ -26,7 +26,7 @@ describe('uploadFromUploaded', () => {
     ctrl.abort()
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -61,10 +61,8 @@ describe('uploadFromUploaded', () => {
     try {
       await uploadFromUploaded(uuid, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/uploadFile/uploadFromUrl.test.ts b/packages/upload-client/test/uploadFile/uploadFromUrl.test.ts
index 205abaf43..049bf92e1 100644
--- a/packages/upload-client/test/uploadFile/uploadFromUrl.test.ts
+++ b/packages/upload-client/test/uploadFile/uploadFromUrl.test.ts
@@ -4,7 +4,7 @@ import {
   assertComputableProgress,
   assertUnknownProgress
 } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import http from 'http'
 import https, { RequestOptions } from 'https'
 import { uploadFromUrl } from '../../src/uploadFile/uploadFromUrl'
@@ -93,7 +93,7 @@ describe('uploadFromUrl', () => {
     })
 
     await expect(uploadFromUrl(sourceUrl, settings)).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -145,10 +145,8 @@ describe('uploadFromUrl', () => {
     try {
       await uploadFromUrl(sourceUrl, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/uploadFile/uploadMultipart.test.ts b/packages/upload-client/test/uploadFile/uploadMultipart.test.ts
index 4200f21b4..9d1bb1546 100644
--- a/packages/upload-client/test/uploadFile/uploadMultipart.test.ts
+++ b/packages/upload-client/test/uploadFile/uploadMultipart.test.ts
@@ -1,6 +1,6 @@
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting, assertComputableProgress } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { uploadMultipart } from '../../src/uploadFile/uploadMultipart'
 import { jest, expect } from '@jest/globals'
 
@@ -39,7 +39,7 @@ describe('uploadMultipart', () => {
     ctrl.abort()
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -74,10 +74,10 @@ describe('uploadMultipart', () => {
     try {
       await uploadMultipart(fileToUpload, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/uploadFileGroup/groupFromObject.test.ts b/packages/upload-client/test/uploadFileGroup/groupFromObject.test.ts
index 61c74bea7..7a69b69ab 100644
--- a/packages/upload-client/test/uploadFileGroup/groupFromObject.test.ts
+++ b/packages/upload-client/test/uploadFileGroup/groupFromObject.test.ts
@@ -1,7 +1,7 @@
 import * as factory from '../_fixtureFactory'
 import { uploadFileGroup } from '../../src/uploadFileGroup'
 import { getSettingsForTesting, assertComputableProgress } from '../_helpers'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { jest, expect } from '@jest/globals'
 
 describe('groupFrom Object[]', () => {
@@ -38,7 +38,7 @@ describe('groupFrom Object[]', () => {
     ctrl.abort()
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -62,10 +62,10 @@ describe('groupFrom Object[]', () => {
     try {
       await uploadFileGroup(files, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
+      expect((error as UploadError).message).toEqual(
         'UPLOADCARE_PUB_KEY is invalid.'
       )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/uploadFileGroup/groupFromUploaded.test.ts b/packages/upload-client/test/uploadFileGroup/groupFromUploaded.test.ts
index 1488647ef..5a2afb756 100644
--- a/packages/upload-client/test/uploadFileGroup/groupFromUploaded.test.ts
+++ b/packages/upload-client/test/uploadFileGroup/groupFromUploaded.test.ts
@@ -1,7 +1,7 @@
 import * as factory from '../_fixtureFactory'
 import { getSettingsForTesting, assertComputableProgress } from '../_helpers'
 import { uploadFileGroup } from '../../src/uploadFileGroup'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { jest, expect } from '@jest/globals'
 
 describe('groupFrom Uploaded[]', () => {
@@ -43,7 +43,7 @@ describe('groupFrom Uploaded[]', () => {
     ctrl.abort()
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -67,10 +67,8 @@ describe('groupFrom Uploaded[]', () => {
     try {
       await uploadFileGroup(files, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }
diff --git a/packages/upload-client/test/uploadFileGroup/groupFromUrl.test.ts b/packages/upload-client/test/uploadFileGroup/groupFromUrl.test.ts
index c8103ddd1..9d0805b29 100644
--- a/packages/upload-client/test/uploadFileGroup/groupFromUrl.test.ts
+++ b/packages/upload-client/test/uploadFileGroup/groupFromUrl.test.ts
@@ -5,7 +5,7 @@ import {
   assertUnknownProgress
 } from '../_helpers'
 import { uploadFileGroup } from '../../src/uploadFileGroup'
-import { UploadClientError } from '../../src/tools/errors'
+import { UploadError } from '../../src/tools/UploadError'
 import { jest, expect } from '@jest/globals'
 
 describe('groupFrom Url[]', () => {
@@ -42,7 +42,7 @@ describe('groupFrom Url[]', () => {
     ctrl.abort()
 
     await expect(upload).rejects.toThrowError(
-      new UploadClientError('Request canceled')
+      new UploadError('Request canceled')
     )
   })
 
@@ -83,10 +83,8 @@ describe('groupFrom Url[]', () => {
     try {
       await uploadFileGroup(files, settings)
     } catch (error) {
-      expect((error as UploadClientError).message).toEqual(
-        'pub_key is invalid.'
-      )
-      expect((error as UploadClientError).code).toEqual(
+      expect((error as UploadError).message).toEqual('pub_key is invalid.')
+      expect((error as UploadError).code).toEqual(
         'ProjectPublicKeyInvalidError'
       )
     }