American Express Payment Account Reference (PAR)

Payment Account Reference (PAR) provides an aggregated view of a Card Member's account activity across different payment formats. Developed by EMVCo, it is a non-financial reference generated by American Express Network Services that is associated with a Primary Account Number (PAN). PAR links the PAN and its associated network tokens to allow acquirers and merchants to comply with their obligations and provide value-added services such as loyalty, analytics, and fraud management to Card Members across tokenized and non-tokenized transactions.

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-payment-account-reference-par-"
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 email required.

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-payment-account-reference-par-
name: American Express Payment Account Reference (PAR)
tags:
- Tokenization
- EMVCo
- Payments
- Card Network
- United States
humanURL: https://developer.americanexpress.com/products/payment-account-reference-public/overview
properties:
- url: https://developer.americanexpress.com/products/payment-account-reference-public/overview
  type: Documentation
description: Payment Account Reference (PAR) provides an aggregated view of a Card Member's account activity
  across different payment formats. Developed by EMVCo, it is a non-financial reference generated by American
  Express Network Services that is associated with a Primary Account Number (PAN). PAR links the PAN and
  its associated network tokens to allow acquirers and merchants to comply with their obligations and
  provide value-added services such as loyalty, analytics, and fraud management to Card Members across
  tokenized and non-tokenized transactions.