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About This Guide

Introduction to Apple Pay
- Requirements for Using Apple Pay
- Supported Card Types and Optional Features
- Apple Pay Integrations and Payload Decryption Methods
  - Flow of Apple Pay In-App Transactions Processed Using Cybersource Decryption
  - Flow of Apple Pay In-App Transactions Processed Using Merchant Decryption
  - Flow of Apple Pay Web Transactions Using Cybersource Decryption
  - Flow of Apple Pay Web Transactions Using Merchant Decryption

Configuring Apple Pay Processing
- Generating and Loading a New Certificate Signing Request
- Configuring Apple Pay Response Handling

Processing Apple Pay Transactions
- Authorization Service
- Authorizations Using Cybersource Decryption for American Express
  - Required Fields for Authorizing a Payment Using Cybersource Decryption for American Express
  - Simple Order XML Example: Cybersource Decryption and American Express
- Authorizations Using Merchant Decryption for American Express
  - Required Fields for Authorizing a Payment Using Merchant Decryption for American Express
  - Simpel Order XML Example: Merchant Decryption and American Express
- Authorization Reversals
  - Required Fields for Processing an Authorization Reversal
  - Simple Order Example: Processing an Authorization Reversal
- Captures
  - Required Fields for Capturing an Authorization
  - Simple Order Example: Capturing an Authorization
- Sale
  - Required Fields for Processing a Sale
  - Simple Order Example: Processing a Sale

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Simple Order API | American Express Direct

Authorizing a Payment Using Merchant Decryption for Mastercard

Follow these steps to authorize a payment using merchant decryption for Mastercard:

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