diff --git a/packages/bridge-controller/src/utils/index.test.ts b/packages/bridge-controller/src/utils/index.test.ts
index af4e6cbb3b..beacf3e894 100644
--- a/packages/bridge-controller/src/utils/index.test.ts
+++ b/packages/bridge-controller/src/utils/index.test.ts
@@ -1,3 +1,4 @@
+/* eslint-disable n/no-process-env */
 import { abiERC20 } from '@metamask/metamask-eth-abis';
 import type { Hex } from '@metamask/utils';
 import { Contract } from 'ethers';
@@ -8,8 +9,13 @@ import {
   isSwapsDefaultTokenAddress,
   isSwapsDefaultTokenSymbol,
   sumHexes,
+  getBridgeApiBaseUrl,
 } from '.';
 import { ETH_USDT_ADDRESS, METABRIDGE_ETHEREUM_ADDRESS } from '../constants';
+import {
+  BRIDGE_DEV_API_BASE_URL,
+  BRIDGE_PROD_API_BASE_URL,
+} from '../constants';
 import { CHAIN_IDS } from '../constants/chains';
 import { SWAPS_CHAINID_DEFAULT_TOKEN_MAP } from '../constants/tokens';
 
@@ -132,4 +138,30 @@ describe('Bridge utils', () => {
       expect(isSwapsDefaultTokenSymbol('ETH', '' as Hex)).toBe(false);
     });
   });
+
+  describe('getBridgeApiBaseUrl', () => {
+    const originalEnv = process.env;
+
+    beforeEach(() => {
+      process.env = { ...originalEnv };
+    });
+
+    afterEach(() => {
+      process.env = originalEnv;
+    });
+
+    it('returns custom API URL when BRIDGE_CUSTOM_API_BASE_URL is set', () => {
+      process.env.BRIDGE_CUSTOM_API_BASE_URL = 'https://custom-api.example.com';
+      expect(getBridgeApiBaseUrl()).toBe('https://custom-api.example.com');
+    });
+
+    it('returns dev API URL when BRIDGE_USE_DEV_APIS is set', () => {
+      process.env.BRIDGE_USE_DEV_APIS = 'true';
+      expect(getBridgeApiBaseUrl()).toBe(BRIDGE_DEV_API_BASE_URL);
+    });
+
+    it('returns prod API URL by default', () => {
+      expect(getBridgeApiBaseUrl()).toBe(BRIDGE_PROD_API_BASE_URL);
+    });
+  });
 });