For AI agents: visit https://docs.affirm.com/llms.txt for an index of all pages formatted in Markdown and endpoints in OpenAPI.
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Understanding AffirmAPI ReferenceRecipesChangelog

Introduction to Affirm

  • Understanding Affirm
    • How Affirm Works
    • Solutions We Offer
    • Platforms We Support
    • Digital Wallets
      • Amazon Pay
      • Apple Pay
      • Google Pay
    • Multiple Financing Programs
    • Partnering with Affirm
      • Platform Metadata
  • Planning Your Integration
    • Planning Considerations
    • Billing and Shipping Addresses
    • API Keys
    • System Performance
    • Supported Web Browsers
    • Merchant Security
      • Secure Communications
      • Security Best Practices
    • Identify Potential Fraud with Affirm Travel Signals
    • Additional Integration Requirements
    • Test and Go-Live
    • Partner Test and Go-Live

Getting Started

  • Quickstart
    • Quickstart Guide for Developers
    • Developer Tools and Resources
  • Checkout
    • Checkout Overview
    • About Express Checkout
    • Set up Express Checkout
      • Express Checkout API
    • Checkout Button
    • Open Affirm Checkout
    • Open Affirm Virtual Card Checkout
    • Modal vs. Redirect Checkout
    • Modal with Direct Checkout
  • Promotional Messaging and Prequalification
    • About Promotional Messaging and Prequalification
    • Set Up Promotional Messaging
      • Promos API Integration Overview
    • Manage Promotional Messaging Components
    • HTML Reference: Promotional Messaging
    • About Google Tag Manager
    • Set Up Google Tag Manager
    • Marketing and Compliance
  • Managing Transactions
    • Authorize and Capture Transactions
    • Transaction States
    • Read, Void, Refund, and Update Transactions
    • Manage Split Capture Transactions
  • Managing Cards
    • Cancel a Card
    • Read Card Details
    • Finalize a Card

Business Resource Hub

  • Business Resource Hub Home
  • Getting Paid
  • Using the Merchant Portal
  • Settlements and Payments
    • Schedule Settlement Reports
    • Updating Bank Information
    • Settlement Reports
  • Dispute Resolutions
  • Getting Started With Affirm: Compliance and Guidelines

Understanding Affirm

Learn how Affirm works, including financing options and digital wallet integrations to help merchants deliver flexible payment solutions.

  • How Affirm Works
  • Solutions We Offer
  • Platforms We Support
  • Digital Wallets
    • Amazon Pay
    • Apple Pay
    • Google Pay
  • Multiple Financing Programs
  • Partnering with Affirm
    • Platform Metadata