diff --git a/modules/bitgo/test/v2/unit/wallet.ts b/modules/bitgo/test/v2/unit/wallet.ts
index 885f1cedb4..0f0317f6cf 100644
--- a/modules/bitgo/test/v2/unit/wallet.ts
+++ b/modules/bitgo/test/v2/unit/wallet.ts
@@ -1461,9 +1461,13 @@ describe('V2 Wallet:', function () {
     });
   });
 
-  describe('maxNumInputsToUse verification', function () {
+  describe('fanout input maxNumInputsToUse and unspents verification', function () {
     const address = '5b34252f1bf349930e34020a';
     const maxNumInputsToUse = 2;
+    const unspents = [
+      'cc30565750e2aeb818625aaedaf89db5c614e5977b9645cee1d7289f616fb1d8:0',
+      '8c45164787a954ab07864af9b05b34fbde3a8e430a8c65b0e60e4e543d8e1b6c:2',
+    ];
     let basecoin;
     let wallet;
 
@@ -1492,6 +1496,23 @@ describe('V2 Wallet:', function () {
 
       response.isDone().should.be.true();
     });
+
+    it('should pass unspents parameter when calling fanout unspents', async function () {
+      const path = `/api/v2/${wallet.coin()}/wallet/${wallet.id()}/fanoutUnspents`;
+      const response = nock(bgUrl)
+        .persist()
+        .post(path, _.matches({ unspents })) // use _.matches to do a partial match on request body object instead of strict matching
+        .reply(200);
+
+      try {
+        await wallet.fanoutUnspents({ address, unspents });
+      } catch (e) {
+        // the fanoutUnspents method will probably throw an exception for not having all of the correct nocks
+        // we only care about /fanoutUnspents and whether unspents is an allowed parameter
+      }
+
+      response.isDone().should.be.true();
+    });
   });
 
   describe('manage unspents', function () {
diff --git a/modules/sdk-core/src/bitgo/wallet/iWallet.ts b/modules/sdk-core/src/bitgo/wallet/iWallet.ts
index 608a8fa652..98d05f5d35 100644
--- a/modules/sdk-core/src/bitgo/wallet/iWallet.ts
+++ b/modules/sdk-core/src/bitgo/wallet/iWallet.ts
@@ -341,6 +341,7 @@ export interface FanoutUnspentsOptions extends WalletSignTransactionOptions {
   maxValue?: number | string;
   minHeight?: number;
   maxNumInputsToUse?: number;
+  unspents?: string[];
   numUnspentsToMake?: number;
   minConfirms?: number;
   enforceMinConfirmsForChange?: boolean;
diff --git a/modules/sdk-core/src/bitgo/wallet/wallet.ts b/modules/sdk-core/src/bitgo/wallet/wallet.ts
index 9d7a88e28e..643543372b 100644
--- a/modules/sdk-core/src/bitgo/wallet/wallet.ts
+++ b/modules/sdk-core/src/bitgo/wallet/wallet.ts
@@ -680,6 +680,7 @@ export class Wallet implements IWallet {
     common.validateParams(params, [], ['walletPassphrase', 'xprv']);
 
     const reqId = new RequestTracer();
+    const fanoutInputFormat = params.maxNumInputsToUse ? 'maxNumInputsToUse' : 'unspents';
     const filteredParams = _.pick(params, [
       'feeRate',
       'maxFeeRate',
@@ -695,7 +696,7 @@ export class Wallet implements IWallet {
       'txFormat',
       'bulk',
 
-      routeName === 'consolidate' ? 'limit' : 'maxNumInputsToUse',
+      routeName === 'consolidate' ? 'limit' : fanoutInputFormat,
       'numUnspentsToMake',
     ]);
     this.bitgo.setRequestTracer(reqId);