American Express website screenshot

American Express

American Express is a financial services company that offers a wide range of products and services, including credit cards, charge cards, traveler's checks, and business services. Known for its exceptional customer service and unique rewards programs, American Express also provides insurance, investment services, and travel booking assistance to its customers.

12 APIs 8 Features
Credit CardsFinancial ServicesPaymentsTokenizationFraud PreventionRewardsBankingFortune 100

APIs

American Express Token Service (AETS) API

The American Express Token Service (AETS) API is a powerful tool that allows developers to securely tokenize cardholder data, providing a layer of security for online transactio...

American Express Enhanced Authorization (EA)

American Express Enhanced Authorization (EA) is a fraud prevention tool that helps protect cardholders and merchants from unauthorized transactions. EA uses advanced algorithms ...

American Express Account and Transaction API

The American Express Account and Transaction API is a powerful tool that enables developers to access and retrieve detailed information about cardholder accounts and transaction...

American Express Confirmation of Funds PSD2 API

The American Express Confirmation of Funds PSD2 API is a secure and efficient tool that enables businesses to verify the availability of funds in a customer's account before com...

American Express @ Work B2B API

Sure! The American Express @ Work B2B API is a powerful tool that allows businesses to easily and securely access their American Express corporate account information, make paym...

American Express Card On-Demand

American Express Card On-demand offers customers the convenience and flexibility of instantly receiving a digital card for their American Express account. This innovative servic...

American Express Pay with Points

American Express Pay with Points allows cardholders to use the points they have earned through their American Express Membership Rewards program to make purchases at participati...

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 the Open Banking enabled Payment Gateways. The...

American Express Payment Account Reference (PAR)

Payment Account Reference (PAR) provides an aggregated view of a Card Members account activity across different payment formats. Developed by EMV Co, it is a non-financial refer...

American Express Smart Offer Partnership

The American Express Smart Offer Partnership product provides registered Partners with access to certain American Express data, required to run their card-linked offer and loyal...

American Express AMEX Account Connect

AMEX Account Connect is a suite of APIs that enables eligible American Express Card Members to add their Cards on file with participating Partners, using their American Express ...

American Express Network Loyalty Platform

The American Express Network Loyalty Platform (the R42 Platform) is a suite of APIs that offer real-time Application Programming Interfaces (APIs) to Issuers and their Concierge...

Pricing Plans

Rate Limits

American Express Rate Limits

1 limits

RATE LIMITS

FinOps

Features

Card Tokenization

Secure tokenization of American Express card data using the AETS API, replacing sensitive cardholder information with unique tokens for safer online transactions.

Fraud Prevention

Real-time enhanced authorization using machine learning to detect and prevent fraudulent transactions before they are processed.

Open Banking APIs

PSD2-compliant account and transaction APIs enabling third-party providers to access cardholder data with consent for Open Banking use cases.

Pay with Points

Global Pay with Points API enabling cardholders to redeem Membership Rewards points at checkout with participating merchants.

Network Loyalty Platform

The R42 Platform API suite enabling issuers and concierge service providers to manage elite tier benefits and loyalty point transfers.

B2B Expense Management

American Express at Work APIs for corporate card management, expense reconciliation, and business account administration.

Account Connect

AMEX Account Connect APIs allowing cardholders to link their American Express card with partner platforms using their AMEX credentials.

Smart Offer Partnerships

Card-linked offer and loyalty program APIs giving registered partners access to transaction data for enrolled card members.

Use Cases

E-Commerce Payment Security

Tokenizing American Express card data for secure online checkout, reducing PCI scope and preventing card data breaches at merchants.

Open Banking Compliance

Enabling regulated third-party providers to access cardholder account and transaction data under PSD2 for financial data aggregation.

Corporate Expense Management

Automating corporate card reconciliation, expense reporting, and financial management for businesses using the At Work B2B API.

Loyalty Program Integration

Integrating merchant loyalty programs with Membership Rewards points redemption through the Pay with Points and Network Loyalty APIs.

Card-on-File Management

Managing Payment Account References (PAR) to link card numbers and tokens across payment formats for compliant card-on-file services.

Fraud Detection

Using Enhanced Authorization to provide additional risk signals and data points to help merchants detect potentially fraudulent transactions.

Integrations

EMVCo Tokenization

Integration with EMVCo Payment Account Reference standard, linking PANs and tokens across payment ecosystems.

Merchant Payment Platforms

Integration with e-commerce payment platforms and payment gateways to enable American Express tokenized card acceptance.

Financial Data Aggregators

Integration with open banking data aggregators to provide PSD2-compliant account and transaction data access.

Corporate ERP Systems

Integration with enterprise resource planning and expense management systems via the At Work B2B API.

Loyalty Platform Providers

Integration with third-party loyalty and offer platforms through the Smart Offer Partnership APIs.

Press

Graphite TM Business Cash Unlimited Card

2026-05-25

American Express

2026-05-25

Ahead of earnings, Amex adds more tools to feed its AI plans

2026-05-25

American Express

2026-05-25

How Amex exploits new AI tools

2026-05-25

Resources

🔗
LinkedIn
LinkedIn
📰
Blog
Blog
👥
GitHubOrganization
GitHubOrganization
🌐
Portal
Portal
💬
Support
Support
🔗
Login
Login
📝
Signup
Signup
🚀
GettingStarted
GettingStarted
🔗
WhatsNew
WhatsNew
🔑
Authentication
Authentication
🔑
Authentication
Authentication
🔑
Authentication
Authentication
💬
FAQ
FAQ
📜
TermsOfService
TermsOfService
📜
TermsOfService
TermsOfService
🔗
Products
Products
📦
JavaScript SDK
SDKs
🔗
LlmsText
LlmsText

Sources

apis.yml Raw ↑
aid: american-express
url: https://raw.githubusercontent.com/api-evangelist/american-express/refs/heads/main/apis.yml
apis:
- aid: american-express:american-express-token-service-aets-api
  name: American Express Token Service (AETS) API
  tags:
  - Credit Cards
  humanURL: https://developer.americanexpress.com/products/amex-token-service/resources#readme
  properties:
  - url: https://developer.americanexpress.com/products/amex-token-service/overview
    type: Documentation
  description: The American Express Token Service (AETS) API is a powerful tool that allows developers to securely tokenize
    cardholder data, providing a layer of security for online transactions. By generating unique tokens that represent a customer's
    payment information, the API helps to reduce the risk of data breaches and fraud. This technology works by replacing sensitive
    data with randomly generated tokens, ensuring that the original payment details are never exposed during transactions.
- aid: american-express:american-express-enhanced-authorization-ea-
  name: American Express Enhanced Authorization (EA)
  tags: []
  humanURL: https://developer.americanexpress.com/products/enhanced-authorization-v2/resources#readme
  properties:
  - url: https://www.americanexpress.com/content/dam/amex/us/merchant/pdf/enhancedauthorization_final.pdf
    type: Documentation
  description: American Express Enhanced Authorization (EA) is a fraud prevention tool that helps protect cardholders and
    merchants from unauthorized transactions. EA uses advanced algorithms and machine learning technology to analyze transaction
    patterns and detect any suspicious activity. This system enables American Express to provide real-time authorization decisions,
    allowing them to quickly identify and block potentially fraudulent transactions.
- aid: american-express:american-express-account-and-transaction-api
  name: American Express Account and Transaction API
  tags: []
  humanURL: https://developer.americanexpress.com/products/account-and-transaction-api-public/overview
  properties:
  - url: https://developer.americanexpress.com/products/account-and-transaction-api-public/overview
    type: Documentation
  description: The American Express Account and Transaction API is a powerful tool that enables developers to access and retrieve
    detailed information about cardholder accounts and transactions. With this API, users can securely retrieve data such
    as account balance, transaction history, payment status, and more.
- aid: american-express:american-express-confirmation-of-funds-psd2-api
  name: American Express Confirmation of Funds PSD2 API
  tags: []
  humanURL: https://developer.americanexpress.com/products/confirmation-of-funds/overview
  properties:
  - url: https://developer.americanexpress.com/products/confirmation-of-funds/overview
    type: Documentation
  description: The American Express Confirmation of Funds PSD2 API is a secure and efficient tool that enables businesses
    to verify the availability of funds in a customer's account before completing a transaction. By integrating this API into
    their payment processing systems, companies can reduce the risk of payment rejections due to insufficient funds, thereby
    improving the overall customer experience.
- aid: american-express:american-express-work-b2b-api
  name: American Express @ Work B2B API
  tags: []
  humanURL: https://developer.americanexpress.com/products/at-work-apis-public/overview
  properties:
  - url: https://developer.americanexpress.com/products/at-work-apis-public/overview
    type: Documentation
  description: Sure! The American Express @ Work B2B API is a powerful tool that allows businesses to easily and securely
    access their American Express corporate account information, make payments, and manage their expenses in a streamlined
    and efficient manner. With this API, businesses can automate various financial processes, such as reconciling transactions,
    tracking spending, and generating reports, saving time and reducing the risk of errors.
- aid: american-express:american-express-card-on-demand
  name: American Express Card On-Demand
  tags: []
  humanURL: https://developer.americanexpress.com/products/nextgen-card-on-demand/resources
  properties:
  - url: https://developer.americanexpress.com/products/nextgen-card-on-demand/resources
    type: Documentation
  description: American Express Card On-demand offers customers the convenience and flexibility of instantly receiving a digital
    card for their American Express account. This innovative service allows cardholders to access their account information
    and make purchases online without having to wait for a physical card to arrive in the mail.
- aid: american-express:american-express-pay-with-points
  name: American Express Pay with Points
  tags: []
  humanURL: https://developer.americanexpress.com/products/global-pay-with-points/resources#readme
  properties:
  - url: https://www.americanexpress.com/en-us/travel/how-to-pay-with-points/
    type: Documentation
  description: American Express Pay with Points allows cardholders to use the points they have earned through their American
    Express Membership Rewards program to make purchases at participating merchants. This feature provides flexibility and
    convenience to cardholders, as they can choose to apply their points towards a variety of expenses, such as travel, shopping,
    dining, and more.
- aid: american-express:american-express-api-based-payment-platform
  name: American Express API-Based Payment Platform
  tags: []
  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 the Open Banking enabled Payment Gateways. The information in this guide is designed to help you implement
    Pay with Bank transfer, an American Express Payment Initiation Service (PIS). We have outlined the integration steps to
    give you a sense of what to expect.
- aid: american-express:american-express-payment-account-reference-par-
  name: American Express Payment Account Reference (PAR)
  tags: []
  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 Members account activity across different
    payment formats. Developed by EMV Co, 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 associated tokens to allow acquirers and Merchants
    to comply with their obligations and provide value-added services to Card Members.
- aid: american-express:american-express-smart-offer-partnership
  name: American Express Smart Offer Partnership
  tags: []
  humanURL: https://developer.americanexpress.com/products/smart-offer-partnerships-public/overview
  properties:
  - url: https://developer.americanexpress.com/products/smart-offer-partnerships-public/overview
    type: Documentation
  description: The American Express Smart Offer Partnership product provides registered Partners with access to certain American
    Express data, required to run their card-linked offer and loyalty programs, via API and SFTP. Through this product, Partners
    are able to access the transaction data of enrolled Card Members from specific participating Merchants.
- aid: american-express:american-express-amex-account-connect
  name: American Express AMEX Account Connect
  tags: []
  humanURL: https://developer.americanexpress.com/products/nextgen-amex-account-connect/overview
  properties:
  - url: https://developer.americanexpress.com/products/nextgen-amex-account-connect/overview
    type: Documentation
  description: AMEX Account Connect is a suite of APIs that enables eligible American Express Card Members to add their Cards
    on file with participating Partners, using their American Express login credentials, instead of manually entering the
    Card information. There are two journeys available where the Card Member can begin the journey. A User can start from
    AMEX channels, or from the Partners channel to link their eligible American Express Card without needing the Card on-hand.
- aid: american-express:american-express-network-loyalty-platform
  name: American Express Network Loyalty Platform
  tags: []
  humanURL: https://developer.americanexpress.com/products/network-loyalty/overview
  properties:
  - url: https://developer.americanexpress.com/products/network-loyalty/overview
    type: Documentation
  description: The American Express Network Loyalty Platform (the R42 Platform) is a suite of APIs that offer real-time Application
    Programming Interfaces (APIs) to Issuers and their Concierge Service Providers (a.k.a., Concierge Providers). The R42
    Platform allows an Issuers Card Members to enroll in Elite - Tier Benefits and transfer points into a benefit providers
    loyalty programs.
name: American Express
tags:
- Credit Cards
- Financial Services
- Payments
- Tokenization
- Fraud Prevention
- Rewards
- Banking
- Fortune 100
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
access: 3rd-Party
common:
- type: LinkedIn
  url: https://www.linkedin.com/company/american-express
- url: https://americanexpress.io/
  name: Blog
  type: Blog
- url: https://github.com/americanexpress
  name: GitHub
  type: GitHubOrganization
- url: https://developer.americanexpress.com/
  name: American Express Developers
  type: Portal
- url: https://developer.americanexpress.com/support
  name: American Express Developers
  type: Support
- url: https://www.americanexpress.com/en-us/account/light/login?target=https://developer.americanexpress.com/login?redirect%3Dfalse
  name: Log In to My Account | American Express US
  type: Login
- url: https://developer.americanexpress.com/signup
  name: American Express Developers
  type: Signup
- url: https://developer.americanexpress.com/documentation/getting-started
  name: American Express Developers
  type: GettingStarted
- url: https://developer.americanexpress.com/documentation/whats-new
  name: American Express Developers
  type: WhatsNew
- url: https://developer.americanexpress.com/documentation/api-security/certificates
  name: American Express Developers
  type: Authentication
- url: https://developer.americanexpress.com/documentation/api-security/hmac
  name: American Express Developers
  type: Authentication
- url: https://developer.americanexpress.com/documentation/api-security/oauth-2
  name: American Express Developers
  type: Authentication
- url: https://developer.americanexpress.com/faq
  name: American Express Developers
  type: FAQ
- url: https://www.americanexpress.com/us/legal-disclosures/website-rules-and-regulations.html?inav=footer_Terms_of_Use
  name: Terms of Service - American Express US
  type: TermsOfService
- url: https://developer.americanexpress.com/terms
  name: American Express Developers
  type: TermsOfService
- url: https://developer.americanexpress.com/products
  name: American Express Developers
  type: Products
- type: Features
  data:
  - name: Card Tokenization
    description: Secure tokenization of American Express card data using the AETS API, replacing sensitive cardholder information
      with unique tokens for safer online transactions.
  - name: Fraud Prevention
    description: Real-time enhanced authorization using machine learning to detect and prevent fraudulent transactions before
      they are processed.
  - name: Open Banking APIs
    description: PSD2-compliant account and transaction APIs enabling third-party providers to access cardholder data with
      consent for Open Banking use cases.
  - name: Pay with Points
    description: Global Pay with Points API enabling cardholders to redeem Membership Rewards points at checkout with participating
      merchants.
  - name: Network Loyalty Platform
    description: The R42 Platform API suite enabling issuers and concierge service providers to manage elite tier benefits
      and loyalty point transfers.
  - name: B2B Expense Management
    description: American Express at Work APIs for corporate card management, expense reconciliation, and business account
      administration.
  - name: Account Connect
    description: AMEX Account Connect APIs allowing cardholders to link their American Express card with partner platforms
      using their AMEX credentials.
  - name: Smart Offer Partnerships
    description: Card-linked offer and loyalty program APIs giving registered partners access to transaction data for enrolled
      card members.
- type: UseCases
  data:
  - name: E-Commerce Payment Security
    description: Tokenizing American Express card data for secure online checkout, reducing PCI scope and preventing card
      data breaches at merchants.
  - name: Open Banking Compliance
    description: Enabling regulated third-party providers to access cardholder account and transaction data under PSD2 for
      financial data aggregation.
  - name: Corporate Expense Management
    description: Automating corporate card reconciliation, expense reporting, and financial management for businesses using
      the At Work B2B API.
  - name: Loyalty Program Integration
    description: Integrating merchant loyalty programs with Membership Rewards points redemption through the Pay with Points
      and Network Loyalty APIs.
  - name: Card-on-File Management
    description: Managing Payment Account References (PAR) to link card numbers and tokens across payment formats for compliant
      card-on-file services.
  - name: Fraud Detection
    description: Using Enhanced Authorization to provide additional risk signals and data points to help merchants detect
      potentially fraudulent transactions.
- type: Integrations
  data:
  - name: EMVCo Tokenization
    description: Integration with EMVCo Payment Account Reference standard, linking PANs and tokens across payment ecosystems.
  - name: Merchant Payment Platforms
    description: Integration with e-commerce payment platforms and payment gateways to enable American Express tokenized card
      acceptance.
  - name: Financial Data Aggregators
    description: Integration with open banking data aggregators to provide PSD2-compliant account and transaction data access.
  - name: Corporate ERP Systems
    description: Integration with enterprise resource planning and expense management systems via the At Work B2B API.
  - name: Loyalty Platform Providers
    description: Integration with third-party loyalty and offer platforms through the Smart Offer Partnership APIs.
- type: SDKs
  url: https://github.com/americanexpress/targeted-offers-client
  title: JavaScript SDK
  name: Targeted Offers Client
- type: LlmsText
  url: https://developer.americanexpress.com/llms.txt
created: '2024-11-15'
modified: '2026-04-19'
position: Consumer
description: American Express is a financial services company that offers a wide range of products and services, including
  credit cards, charge cards, traveler's checks, and business services. Known for its exceptional customer service and unique
  rewards programs, American Express also provides insurance, investment services, and travel booking assistance to its customers.
maintainers:
- FN: Kin Lane
  email: info@apievangelist.com
specificationVersion: '0.19'