Guide to Using the Routing Number Bank Lookup API: How to Retrieve Bank Information

Created by Zyla Labs, Modified on Wed, 18 Oct 2023 at 10:09 AM by Zyla Labs

Welcome to our comprehensive guide on effectively using the Routing Number Bank Lookup API. In this article, we'll explain what a routing number is and how you can use this API to obtain essential bank information. Make sure to follow each step to make the most out of this tool.


About the API:

In the United States, a routing number, also known as a routing transit number, is a crucial nine-digit code identifying financial institutions. This code facilitates the smooth transfer of money between financial entities through systems like ACH, Fedwire, and checks. You can typically find the routing number at the bottom of a check.


The Routing Number Bank Lookup API serves as a powerful API to extract comprehensive information associated with a given routing number.


Practical Example with Postman:


Let's make a request through Postman to retrieve bank information using the "GET BANK INFORMATION" endpoint:


- Request URL: https://zylalabs.com/api/331/routing+number+bank+lookup+api/1353/get+bank+information?number=124003116

- Authorization Type: Bearer Token


Here is an image illustrating the Postman request and authorization configuration.




Example API Response:


{

    "status": 200,

    "success": true,

    "message": "Routing Bank 124003116 is valid",

    "data": {

        "routing_number": "124003116",

        "date_of_revision": "Jan 5, 2023",

        "new_routing_number": "",

        "bank": "Ally Bank",

        "address": "1100 Virginia Drive, Fort Washington, PA 19034",

        "city": "Fort Washington",

        "state": "PA",

        "zip": "19034",

        "phone": "877-344-2946"

    }

}


API Response Details:

- status: HTTP status code indicating success or failure.

- success: Boolean flag confirming the success of the request.

- message: Descriptive message related to the request outcome.

- data: Comprehensive bank information, including routing number, revision date, bank name, address, city, state, zip code, and contact phone number.


Quick Method Using "Run in Postman" Button


To expedite the process, you can use the "Run in Postman" button. Simply click the button to download the collection and access all the necessary API requests. Please note that a subscription to the API is required to download the file.


For more information on using the "Run in Postman" button, visit this article. This resource provides additional details and ensures a faster setup for your development needs.


By following these steps, you can seamlessly integrate the Routing Number Bank Lookup API into your application and access detailed bank information efficiently. If you have any questions or encounter issues, refer to our documentation or reach out to our support team for assistance. Happy coding!

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