diff --git a/modules/sdk-core/src/bitgo/wallet/iWallet.ts b/modules/sdk-core/src/bitgo/wallet/iWallet.ts
index b80ae7310f..608a8fa652 100644
--- a/modules/sdk-core/src/bitgo/wallet/iWallet.ts
+++ b/modules/sdk-core/src/bitgo/wallet/iWallet.ts
@@ -297,6 +297,22 @@ export interface UnspentsOptions extends PaginationOptions {
   chains?: number[];
 }
 
+export interface ManageUnspentReservationOptions {
+  create?: {
+    unspentIds: string[];
+    expireTime: string;
+  };
+  modify?: {
+    unspentIds: string[];
+    changes: {
+      expireTime: string;
+    };
+  };
+  delete?: {
+    id: string;
+  };
+}
+
 export interface ConsolidateUnspentsOptions extends WalletSignTransactionOptions {
   walletPassphrase?: string;
   xprv?: string;
diff --git a/modules/sdk-core/src/bitgo/wallet/wallet.ts b/modules/sdk-core/src/bitgo/wallet/wallet.ts
index f57976c3da..a70269d868 100644
--- a/modules/sdk-core/src/bitgo/wallet/wallet.ts
+++ b/modules/sdk-core/src/bitgo/wallet/wallet.ts
@@ -96,6 +96,7 @@ import {
   CreateBulkWalletShareListResponse,
   SharedKeyChain,
   BulkWalletShareKeychain,
+  ManageUnspentReservationOptions,
 } from './iWallet';
 import { StakingWallet } from '../staking';
 import { Lightning } from '../lightning/custodial';
@@ -740,6 +741,32 @@ export class Wallet implements IWallet {
     return Array.isArray(buildResponse) ? response : response[0];
   }
 
+  /**
+   * Manage the unspent reservations on the wallet
+   *
+   * @param params.create - create a new reservation
+   * @param params.modify - modify an existing reservation
+   * @param params.delete - delete an existing reservation
+   */
+  async manageUnspentReservations(params: ManageUnspentReservationOptions): Promise<unknown> {
+    const filteredParams = _.pick(params, ['create', 'modify', 'delete']);
+    this.bitgo.setRequestTracer(new RequestTracer());
+    // The URL cannot contain the coinName, so we remove it from the URL
+    const url = this.url(`/reservedunspents`).replace(`/${this.baseCoin.getChain()}`, '');
+    if (filteredParams.create) {
+      const filteredCreateParams = _.pick(params.create, ['unspentIds', 'expireTime']);
+      return this.bitgo.post(url).send(filteredCreateParams).result();
+    } else if (filteredParams.modify) {
+      const filteredModifyParams = _.pick(params.modify, ['unspentIds', 'changes']);
+      return this.bitgo.put(url).send(filteredModifyParams).result();
+    } else if (filteredParams.delete) {
+      const filteredDeleteParams = _.pick(params.delete, ['id']);
+      return this.bitgo.del(url).query(filteredDeleteParams).result();
+    } else {
+      throw new Error('Did not detect a creation, modification, or deletion request.');
+    }
+  }
+
   /**
    * Consolidate unspents on a wallet
    *