Validate routing numbers and retrieve detailed bank information in real-time. Get ACH eligibility, bank details, and address information with a single API call.
Verify routing numbers in real-time and confirm ACH eligibility before processing transactions.
Access comprehensive bank information including name, address, contact details, and active status.
Our database is continuously updated with the latest routing number information from the Federal Reserve.
Single REST endpoint with straightforward JSON response. Start validating routing numbers in minutes.
Validate routing numbers before initiating ACH transfers to reduce failed transactions and improve user experience.
Confirm bank details during account linking flows to ensure accurate payment information.
Cross-reference routing numbers with expected bank information to detect fraudulent accounts.
Auto-populate bank information during signup to streamline the onboarding process.
Included with all Stack plans. No per-request fees or hidden costs.
Access to all APIs including payments, banking utilities, and compliance tools
Get StartedGet your API key and start validating routing numbers in minutes.