Routing Number Bank Lookup API

Routing Number Bank Lookup API

Lookup a bank’s information based on a routing number input. Choose either ACH or wire transfer bank information. Supports XML and JSON responses.

About the API:

In the United States, a routing number (also called routing transit number) is a nine-digit code that identifies financial institutions. It is mainly used to facilitate the transfer of money between financial institutions through systems such as ACH, Fedwire, checks, etc. The routing number can be found at the bottom of a check.

This API will help you detect the information that is provided in the Routing number. 

What this API receives and what your API provides (input/output)?

Just insert the routing number and the payment method, it could be ACH or Wire Transfer and it will deliver all the bank data associated to that Routing number.  

What are the most common uses cases of this API?

Validate your provider's Routing Number

With this API you will have the opportunity to validate the Routing number of your provider before making any transactions. 

Recognize the Bank associated with the routing number

You will be able to determine where the account is located. You will have access to the bank information. 

Get bank information

You will get additional information about the bank to make any quick call to check anything you need. 

Are there any limitations to your plans?

Besides the number of API calls per month, there are no other limitations. 

API Documentation


This endpoint returns information about a bank by passing in the routing number.


Get Bank Information - Endpoint Features
Object Description
routingnumber [Required]
paymentType [Optional] hoose to retrieve either the ACH or Wire Transfer information from the bank. Default value is ACH. Possible values: 'ach' and 'wire'
format [Optional] Defines the format of the response. Default value is json. Possible inputs are 'xml' and 'json'
Test Endpoint


                                                                                                                                                                                                                            [{"status":"success","data":{"routingNumber":"121000248","paymentType":"ACH","name":"Wells Fargo Bank, Na","addressFull":"255 2nd Ave South, Minneapolis, MN 55479","street":"255 2nd Ave South","city":"Minneapolis","state":"MN","zip":"55479","phone":"800-745-2426","active":"Active","lastUpdated":"Feb 17, 2022"}}]

Get Bank Information - CODE SNIPPETS

curl --location --request GET '' --header 'Authorization: Bearer YOUR_API_KEY' 


Get detailed information about any Routing Number, and also check its validity. 


Get Bank Information - Endpoint Features
Object Description
number [Required] The routing number that you want to lookup
Test Endpoint


                                                                                                                                                                                                                            {"status":200,"success":true,"message":"Routing Bank 121000248 is valid","data":{"routing_number":"121000248","date_of_revision":"091012","new_routing_number":"","bank":"WELLS FARGO BANK, NA","address":"255 2ND AVE SOUTH","city":"MINNEAPOLIS","state":"MN","zip":"55479","phone":"(800) 745-2426"}}

Get Bank Information - CODE SNIPPETS

curl --location --request GET '' --header 'Authorization: Bearer YOUR_API_KEY' 


This endpoint returns information about a bank by passing in the routing number.



Get Bank Details - Endpoint Features
Object Description
routingnumber [Required] routing Number to lookup.
Test Endpoint


                                                                                                                                                                                                                            [{"status":"success","data":{"routingNumber":"075901480","paymentType":"ACH","name":"Bmo Harris Bank, N.a","addressFull":"1200 E. Warrenville Rd, Naperville, IL 60653","street":"1200 E. Warrenville Rd","city":"Naperville","state":"IL","zip":"60653","phone":"855-259-8521","active":"Active","lastUpdated":"Jan 5, 2023"}}]

Get Bank Details - CODE SNIPPETS

curl --location --request GET '' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Routing Number Bank Lookup API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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The Routing Number Bank Lookup API is a service that allows you to retrieve bank information based on a routing number input. It provides details about financial institutions in the United States.

The API helps you identify and retrieve information associated with a routing number. It is commonly used to validate provider routing numbers, recognize the bank associated with a routing number, and obtain additional bank information.

The API delivers comprehensive bank data associated with the provided routing number. This includes details such as the bank's name, location, and additional information that can be useful for verification or reference purposes.

The API supports both XML and JSON responses. You can choose the format that best suits your application's needs or preferences.

No, the Routing Number Bank Lookup API specifically focuses on routing numbers for financial institutions in the United States. It does not support international routing numbers from other countries.

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