First Horizon

ABA Lookup v1

ABA Lookup is a RESTful utility endpoint on First Horizon's API Banking platform that validates and resolves U.S. ABA routing transit numbers, supporting payment-instruction validation ahead of ACH and wire origination. Authorized with OAuth 2.0. Documented in HTML on the developer portal; no public OpenAPI specification is downloadable.

GitHub

Documentation

📖
Documentation
https://developers-test.firsthorizon.com/apis/v1/lookups/aba
📖
Authentication
https://developers-test.firsthorizon.com/apis/v0/oauth

Other Resources

🔗
DeveloperPortal
https://developers-test.firsthorizon.com/

API entry from apis.yml

apis.yml Raw ↑ 
aid: first-horizon:aba-lookup-v1
name: ABA Lookup v1
description: ABA Lookup is a RESTful utility endpoint on First Horizon's API Banking platform that validates
  and resolves U.S. ABA routing transit numbers, supporting payment-instruction validation ahead of ACH
  and wire origination. Authorized with OAuth 2.0. Documented in HTML on the developer portal; no public
  OpenAPI specification is downloadable.
humanURL: https://developers-test.firsthorizon.com/apis/v1/lookups/aba
tags:
- Lookups
- Routing Numbers
- Payments
- United States
properties:
- type: Documentation
  url: https://developers-test.firsthorizon.com/apis/v1/lookups/aba
- type: Authentication
  url: https://developers-test.firsthorizon.com/apis/v0/oauth
- type: DeveloperPortal
  url: https://developers-test.firsthorizon.com/