diff --git a/modules/bitgo/test/v2/unit/wallet.ts b/modules/bitgo/test/v2/unit/wallet.ts
index f1f68c02ec..94d599e934 100644
--- a/modules/bitgo/test/v2/unit/wallet.ts
+++ b/modules/bitgo/test/v2/unit/wallet.ts
@@ -4199,12 +4199,12 @@ describe('V2 Wallet:', function () {
         prebuildAndSignTransaction.calledOnceWithExactly(sendManyInput);
 
         const sendTxRequest = sandbox.stub(TssUtils.prototype, 'sendTxRequest');
-        sendTxRequest.resolves('sendTxResponse');
+        sendTxRequest.resolves(undefined);
         // TODO(BG-59686): this is not doing anything if we don't check the return value, we should also move this check to happen after we invoke sendMany
         sendTxRequest.calledOnceWithExactly(signedTransaction.txRequestId);
 
         const sendMany = await tssSolWallet.sendMany(sendManyInput);
-        sendMany.should.deepEqual('sendTxResponse');
+        sendMany.should.deepEqual(undefined);
       });
 
       it('should send many and call setRequestTracer', async function () {
@@ -4217,14 +4217,14 @@ describe('V2 Wallet:', function () {
         prebuildAndSignTransaction.calledOnceWithExactly(sendManyInput);
 
         const sendTxRequest = sandbox.stub(TssUtils.prototype, 'sendTxRequest');
-        sendTxRequest.resolves('sendTxResponse');
+        sendTxRequest.resolves(undefined);
         sendTxRequest.calledOnceWithExactly(signedTransaction.txRequestId);
 
         const setRequestTracerSpy = sinon.spy(bitgo, 'setRequestTracer');
         setRequestTracerSpy.withArgs(sendManyInput.reqId);
 
         const sendMany = await tssSolWallet.sendMany(sendManyInput);
-        sendMany.should.deepEqual('sendTxResponse');
+        sendMany.should.deepEqual(undefined);
         sinon.assert.calledOnce(setRequestTracerSpy);
         setRequestTracerSpy.restore();
       });
@@ -5040,7 +5040,7 @@ describe('V2 Wallet:', function () {
       // stub all steps after txrequest creation
       sinon.stub(adaWallet.baseCoin, 'verifyTransaction').resolves(true);
       sinon.stub(adaWallet, 'signTransaction').resolves({ txRequestId: 'txRequestId' });
-      sinon.stub(BaseTssUtils.default.prototype, 'sendTxRequest').resolves('sendTxResponse');
+      sinon.stub(BaseTssUtils.default.prototype, 'sendTxRequest').resolves(undefined);
       await adaWallet.sendMany(sendManyParams);
     });
 
@@ -5081,7 +5081,7 @@ describe('V2 Wallet:', function () {
 
       sinon.stub(adaWallet.baseCoin, 'verifyTransaction').resolves(true);
       sinon.stub(adaWallet, 'signTransaction').resolves({ txRequestId: 'txRequestId' });
-      sinon.stub(BaseTssUtils.default.prototype, 'sendTxRequest').resolves('sendTxResponse');
+      sinon.stub(BaseTssUtils.default.prototype, 'sendTxRequest').resolves(undefined);
       await adaWallet.sendMany(sendManyParams).should.be.resolved();
     });
   });
diff --git a/modules/sdk-core/src/bitgo/utils/tss/baseTSSUtils.ts b/modules/sdk-core/src/bitgo/utils/tss/baseTSSUtils.ts
index de7fd8bfdd..9547e7a7b5 100644
--- a/modules/sdk-core/src/bitgo/utils/tss/baseTSSUtils.ts
+++ b/modules/sdk-core/src/bitgo/utils/tss/baseTSSUtils.ts
@@ -1,5 +1,9 @@
-import { IRequestTracer } from '../../../api';
 import * as openpgp from 'openpgp';
+import * as _ from 'lodash';
+
+import { type TxSendResponse } from '@bitgo/public-types';
+
+import { IRequestTracer } from '../../../api';
 import { Key, readKey, SerializedKeyPair } from 'openpgp';
 import { IBaseCoin, KeychainsTriplet } from '../../baseCoin';
 import { BitGoBase } from '../../bitgoBase';
@@ -7,7 +11,6 @@ import { Keychain, KeyIndices } from '../../keychain';
 import { getTxRequest } from '../../tss';
 import { IWallet } from '../../wallet';
 import { MpcUtils } from '../mpcUtils';
-import * as _ from 'lodash';
 import {
   BitgoGPGPublicKey,
   BitgoHeldBackupKeyShare,
@@ -514,7 +517,7 @@ export default class BaseTssUtils<KeyShare> extends MpcUtils implements ITssUtil
    * @returns {Promise<any>}
    */
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  async sendTxRequest(txRequestId: string, reqId?: IRequestTracer): Promise<any> {
+  async sendTxRequest(txRequestId: string, reqId?: IRequestTracer): Promise<TxSendResponse | undefined> {
     const reqTracer = reqId || new RequestTracer();
     this.bitgo.setRequestTracer(reqTracer);
     return this.bitgo
diff --git a/modules/sdk-core/src/bitgo/utils/tss/baseTypes.ts b/modules/sdk-core/src/bitgo/utils/tss/baseTypes.ts
index 31c80f5d76..473c6550c8 100644
--- a/modules/sdk-core/src/bitgo/utils/tss/baseTypes.ts
+++ b/modules/sdk-core/src/bitgo/utils/tss/baseTypes.ts
@@ -1,4 +1,8 @@
 import { Key, SerializedKeyPair } from 'openpgp';
+
+import { type TxSendResponse } from '@bitgo/public-types';
+import { type EcdsaTypes } from '@bitgo/sdk-lib-mpc';
+
 import { IRequestTracer } from '../../../api';
 import { KeychainsTriplet, ParsedTransaction, TransactionParams } from '../../baseCoin';
 import { ApiKeyShare, Keychain } from '../../keychain';
@@ -6,10 +10,10 @@ import { ApiVersion, Memo, WalletType } from '../../wallet';
 import { EDDSA, GShare, Signature, SignShare } from '../../../account-lib/mpc/tss';
 import { Signature as EcdsaSignature } from '../../../account-lib/mpc/tss/ecdsa/types';
 import { KeyShare } from './ecdsa';
-import { EcdsaTypes } from '@bitgo/sdk-lib-mpc';
 import { TssEcdsaStep1ReturnMessage, TssEcdsaStep2ReturnMessage, TxRequestChallengeResponse } from '../../tss/types';
 import { AShare, DShare, SShare } from '../../tss/ecdsa/types';
 import { MessageStandardType } from '../messageTypes';
+import { PendingApprovalData } from '../../pendingApproval';
 
 export type TxRequestVersion = 'full' | 'lite';
 export interface HopParams {
@@ -368,6 +372,22 @@ export type SignedTx = {
   signature?: string;
 };
 
+export type TxRequestTransfer = { state: string; pendingApproval?: string; txid?: string };
+
+export type SendManyTxRequestResponse =
+  | {
+      txRequest: TxRequest;
+      pendingApproval: PendingApprovalData;
+    }
+  | {
+      transfer: TxRequestTransfer;
+      txRequest: TxRequest;
+      txid?: SignedTx['id'];
+      tx?: SignedTx['tx'];
+      status: TxRequestTransfer['state'];
+    }
+  | TxSendResponse;
+
 export type TxRequest = {
   txRequestId: string;
   walletId: string;
diff --git a/modules/sdk-core/src/bitgo/wallet/wallet.ts b/modules/sdk-core/src/bitgo/wallet/wallet.ts
index f29b8670ec..827c1b7939 100644
--- a/modules/sdk-core/src/bitgo/wallet/wallet.ts
+++ b/modules/sdk-core/src/bitgo/wallet/wallet.ts
@@ -37,9 +37,11 @@ import {
   IntentOptionsForTypedData,
   RequestTracer,
   RequestType,
+  SendManyTxRequestResponse,
   TokenTransferRecipientParams,
   TokenType,
   TxRequest,
+  TxRequestTransfer,
 } from '../utils';
 import {
   AccelerateTransactionOptions,
@@ -3807,7 +3809,7 @@ export class Wallet implements IWallet {
    *
    * @param params send options
    */
-  private async sendManyTxRequests(params: SendManyOptions = {}): Promise<any> {
+  private async sendManyTxRequests(params: SendManyOptions = {}): Promise<SendManyTxRequestResponse | undefined> {
     params.apiVersion = getTxRequestApiVersion(this, params.apiVersion);
 
     const signedTransaction = (await this.prebuildAndSignTransaction(params)) as SignedTransactionRequest;
@@ -3819,7 +3821,7 @@ export class Wallet implements IWallet {
       const latestTxRequest = await getTxRequest(this.bitgo, this.id(), signedTransaction.txRequestId, params.reqId);
       const reqId = params.reqId || new RequestTracer();
       this.bitgo.setRequestTracer(reqId);
-      const transfer: { state: string; pendingApproval?: string; txid?: string } = await this.bitgo
+      const transfer: TxRequestTransfer = await this.bitgo
         .post(
           this.bitgo.url(
             '/wallet/' + this._wallet.id + '/txrequests/' + signedTransaction.txRequestId + '/transfers',