diff --git a/examples/simple-dapp/public/.well-known/radix.json b/examples/simple-dapp/public/.well-known/radix.json
index 2a1b0c64..f1984d78 100644
--- a/examples/simple-dapp/public/.well-known/radix.json
+++ b/examples/simple-dapp/public/.well-known/radix.json
@@ -1,5 +1,4 @@
 {
-  "callbackPath": "/connect",
   "dApps": [
     {
       "dAppDefinitionAddress": "account_tdx_2_12yf9gd53yfep7a669fv2t3wm7nz9zeezwd04n02a433ker8vza6rhe"
diff --git a/packages/dapp-toolkit/src/error.ts b/packages/dapp-toolkit/src/error.ts
index 13c2a86d..df0bd9fb 100644
--- a/packages/dapp-toolkit/src/error.ts
+++ b/packages/dapp-toolkit/src/error.ts
@@ -31,14 +31,21 @@ const defaultErrorMessage = new Map<string, string>()
   .set(ErrorType.rejectedByUser, 'user rejected request')
   .set(ErrorType.canceledByUser, 'user has canceled the request')
 
-export type SdkError = ReturnType<typeof SdkError>
+export type SdkError = {
+  error: string
+  interactionId: string
+  message?: string
+  jsError?: unknown
+}
 
 export const SdkError = (
   error: string,
   interactionId: string,
   message?: string,
-) => ({
+  jsError?: unknown,
+): SdkError => ({
   error,
   interactionId,
   message: message || defaultErrorMessage.get(error) || '',
+  jsError,
 })
diff --git a/packages/dapp-toolkit/src/modules/gateway/gateway.module.ts b/packages/dapp-toolkit/src/modules/gateway/gateway.module.ts
index dc084882..33e45664 100644
--- a/packages/dapp-toolkit/src/modules/gateway/gateway.module.ts
+++ b/packages/dapp-toolkit/src/modules/gateway/gateway.module.ts
@@ -41,7 +41,16 @@ export const GatewayModule = (input: {
         retry.withBackoff$.pipe(
           switchMap((result) => {
             if (result.isErr())
-              return [err(SdkError('failedToPollSubmittedTransaction', ''))]
+              return [
+                err(
+                  SdkError('failedToPollSubmittedTransaction', '', undefined, {
+                    error: result.error,
+                    context:
+                      'GatewayModule.pollTransactionStatus.retry.withBackoff$',
+                    transactionIntentHash,
+                  }),
+                ),
+              ]
 
             logger?.debug(`pollingTxStatus retry #${result.value + 1}`)
 
@@ -56,7 +65,17 @@ export const GatewayModule = (input: {
               })
               .mapErr((response) => {
                 logger?.debug(response)
-                return SdkError('failedToPollSubmittedTransaction', '')
+                return SdkError(
+                  'failedToPollSubmittedTransaction',
+                  '',
+                  undefined,
+                  {
+                    error: response,
+                    transactionIntentHash,
+                    context:
+                      'GatewayModule.pollTransactionStatus.getTransactionStatus',
+                  },
+                )
               })
           }),
           filter(