Routing Number Lookup API
Routing Number Lookup is a simple tool for looking up routing number information for USA Banks. It returns information such as the bank, location, and more based on the routing number provided.
Live Test API
Try out the Routing Number Lookup with a live request and see the response in real-time.
API Request
API Response
1234567891011121314151617{ "status": "ok", "error": null, "data": { "routing_number": "121000358", "office_code": "O", "record_type_code": "1", "new_routing_number": "000000000", "bank": "BANK OF AMERICA, N.A.", "address": "8001 VILLA PARK DRIVE", "city": "HENRICO", "state": "VA", "zip": "23228", "zip_extension": "0000", "country": "US" } }
Multiple Access Methods
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Extensible Markup Language
YAML
Human-readable data format
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Comma-separated values
GraphQL
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MCP
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Frequently Asked Questions
Get answers to common questions about the Routing Number Lookup API
What does the Routing Number Lookup API do?
Routing Number Lookup is a simple tool for looking up routing number information for USA Banks. It returns information such as the bank, location, and more based on the routing number provided. The API returns structured data in JSON, XML, or YAML format, making it easy to integrate into any application or workflow.
How fast is the Routing Number Lookup API?
The Routing Number Lookup API has an average response time of 1821ms, with a median (p50) of 1657ms and 99th percentile of 2914ms. Our infrastructure maintains 99.9% uptime with servers distributed globally for low latency.
How much does the Routing Number Lookup API cost?
Each call to the Routing Number Lookup API uses 1 credit. The free tier includes 100 credits per month. Paid plans start at $29.99/month with higher limits, and enterprise plans offer custom pricing with priority support.
How do I authenticate Routing Number Lookup API requests?
Include your API key in the request header as X-API-Key: your_key_here. All requests are made over HTTPS for security. You can get your API key by signing up for a free account.
What HTTP methods does Routing Number Lookup support?
The Routing Number Lookup API supports GET requests. Simply pass your parameters as query strings in the URL. Check our documentation for detailed parameter specifications.
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