American Express

American Express API-Based Payment Platform

The American Express API-based Payment Platform allows eCommerce sellers and merchants to scale their business by integrating with Open Banking-enabled payment gateways. The information in this product is designed to help implement Pay with Bank transfer, an American Express Payment Initiation Service (PIS) operating under PSD2. The integration steps outline how to initiate account-to-account bank transfers as an alternative payment method at checkout, giving merchants a lower-cost settlement rail alongside card acceptance.

GitHub

Documentation

📖
Documentation
https://developer.americanexpress.com/documentation

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/american-express-api-based-payment-platform"
All apis 
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑ 
aid: american-express:american-express-api-based-payment-platform
name: American Express API-Based Payment Platform
tags:
- Open Banking
- Payment Initiation
- PISP
- Payments
- United States
humanURL: https://developer.americanexpress.com/products/pay-with-bank-transfer-public/overview
properties:
- url: https://developer.americanexpress.com/documentation
  type: Documentation
description: The American Express API-based Payment Platform allows eCommerce sellers and merchants to
  scale their business by integrating with Open Banking-enabled payment gateways. The information in this
  product is designed to help implement Pay with Bank transfer, an American Express Payment Initiation
  Service (PIS) operating under PSD2. The integration steps outline how to initiate account-to-account
  bank transfers as an alternative payment method at checkout, giving merchants a lower-cost settlement
  rail alongside card acceptance.