In the world of finance, routing numbers play a crucial role in facilitating electronic transactions. They are essential for identifying specific banks during ACH (Automated Clearing House) and wire transfers. In this blog post, we will explore the routing number 124000017, which corresponds to First Interstate Bank located in Cleveland, OH. We will also discuss how routing numbers work in the U.S., their importance, and how developers can leverage the BankData Routing Number API to verify them automatically.
Understanding Routing Numbers
Routing numbers are nine-digit codes used in the United States to identify financial institutions. They are essential for various types of transactions, including direct deposits, electronic payments, and wire transfers. Each routing number is unique to a specific bank and is used to ensure that funds are directed to the correct institution.
Routing numbers are particularly important for ACH transfers, which are commonly used for payroll, bill payments, and other recurring transactions. When a transaction is initiated, the routing number helps to route the funds to the correct bank, ensuring that the transaction is processed efficiently and accurately.
The Importance of Routing Numbers in Financial Transactions
Routing numbers serve several critical functions in the financial ecosystem:
- Identification: They help identify the financial institution involved in a transaction.
- Transaction Processing: Routing numbers facilitate the smooth processing of electronic payments and transfers.
- Fraud Prevention: By ensuring that funds are sent to the correct bank, routing numbers help reduce the risk of fraud.
Without routing numbers, the process of transferring funds between banks would be chaotic and prone to errors. They provide a standardized method for identifying banks, which is essential for maintaining the integrity of the financial system.
Using the BankData Routing Number API
For developers looking to automate the verification of routing numbers, the BankData Routing Number API offers a powerful solution. This API allows users to validate routing numbers programmatically, ensuring that transactions are directed to the correct financial institution.
Here are some key features of the BankData Routing Number API:
- Routing Number Validation: Verify the validity of a routing number.
- Bank Information Retrieval: Retrieve detailed information about the bank associated with a routing number.
Routing Number Validation
The routing number validation feature allows developers to check if a given routing number is valid. This is particularly useful for applications that handle financial transactions, as it helps prevent errors and ensures that funds are sent to the correct bank.
Example Request:
GET /api/routing-number/124000017
Example Response:
{
"success": true,
"data": {
"routing_number": "124000017",
"bank_name": "First Interstate Bank",
"city": "Cleveland",
"state": "OH"
}
}
In this response, the API confirms that the routing number is valid and provides the associated bank's name, city, and state. This information can be used to ensure that transactions are processed correctly.
Bank Information Retrieval
In addition to validating routing numbers, the API can also retrieve detailed information about the bank associated with a specific routing number. This feature is valuable for applications that require comprehensive bank data for compliance or reporting purposes.
Example Request:
GET /api/routing-number/124000017/details
Example Response:
{
"success": true,
"data": {
"routing_number": "124000017",
"bank_name": "First Interstate Bank",
"address": "123 Main St, Cleveland, OH 44101",
"phone": "(123) 456-7890",
"website": "https://www.firstinterstatebank.com"
}
}
This response provides additional details about First Interstate Bank, including its address, phone number, and website. Such information can be crucial for customer service and compliance checks.
Real-World Use Cases for the BankData Routing Number API
The BankData Routing Number API can be integrated into various applications to enhance functionality and improve user experience. Here are some real-world use cases:
- Banking Applications: Financial institutions can use the API to validate routing numbers during account setup or fund transfers, ensuring that users enter accurate information.
- E-commerce Platforms: Online retailers can integrate the API to verify customer bank details during checkout, reducing the risk of payment errors.
- Accounting Software: Businesses can use the API to automate the verification of vendor bank details, streamlining the payment process.
Conclusion
Routing numbers are a vital component of the U.S. financial system, facilitating secure and efficient electronic transactions. The BankData Routing Number API provides developers with the tools they need to automate the verification of routing numbers, ensuring that funds are directed to the correct financial institutions.
By integrating this API into your applications, you can enhance user experience, reduce errors, and improve compliance with financial regulations. We encourage you to explore the BankData Routing Number API and see how it can benefit your financial applications.
For more information and to get started with the API, visit the official documentation page.




