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About This Guide

Introduction
- Requirements for Using Samsung Pay
- Supported Processors
- Transaction Endpoints

Getting Started
- Registering with Samsung Pay
- Registering with Cybersource
- Creating a Project
- Integrating the Samsung Pay SDK
- Using the API Key
  - Example: Debug Mode
  - Example: Release Mode
- Verify That Your Application is Eligible for Samsung Pay
  - Example: Samsung Pay Class
- Initiating a Payment
  - Required Fields for Initiating a Payment
  - Example: Transaction Request Structure
- Requesting a Payment
  - Example: Request startSamsungPay() API Method

Services
- Authorization Service
  - Authorizing a Payment with American Express Using Cybersource Decryption Method
    - Required Fields for Authorizing a Payment Using American Express and the Cybersource Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-cybsdecrypt-ex-amex-rest
    - Example: Cybersource Decryption with American Express Using the SCMP API
    - samsungpay-auth-cybsdecrypt-ex-amex-so
  - Authorizing a Payment with JCB Using Cybersource Decryption Method
    - Required Fields for Authorizing a Payment Using JCB and the Cybersource Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-cybsdecrypt-ex-jcb-rest
    - Example: Cybersource Decryption with JCB Using the SCMP API
    - samsungpay-auth-cybsdecrypt-ex-jcb-so
  - Authorizing a Payment with Mastercard Using Cybersource Decryption Method
    - Required Fields for Authorizing a Payment Using Mastercard and the Cybersource Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-cybsdecrypt-ex-mc-rest
    - Example: Cybersource Decryption with Mastercard Using the SCMP API
    - samsungpay-auth-cybsdecrypt-ex-mc-so
  - Authorizing a Payment with Visa Using Cybersource Decryption Method
    - Required Fields for Authorizing a Payment Using Visa and the Cybersource Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-cybsdecrypt-ex-visa-rest
    - Example: Cybersource Decryption with Visa Using the SCMP API
    - samsungpay-auth-cybsdecrypt-ex-visa-so
  - Authorizing a Payment with American Express Using Merchant Decryption Method
    - Required Fields for Authorizing a Payment Using American Express and the Merchant Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-merdecrypt-ex-amex-rest
    - Example: Merchant Decryption with American Express Using the SCMP API
    - samsungpay-auth-merdecrypt-ex-amex-so
  - Authorizing a Payment with JCB Using Merchant Decryption Method
    - Required Fields for Authorizing a Payment Using JCB and the Merchant Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-merdecrypt-ex-jcb-rest
    - Example: Merchant Decryption with JCB Using the SCMP API
    - samsungpay-auth-merdecrypt-ex-jcb-so
  - Authorizing a Payment with Mastercard Using Merchant Decryption Method
    - Required Fields for Authorizing a Payment Using Mastercard and the Merchant Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-merdecrypt-ex-mc-rest
    - Example: Merchant Decryption with Mastercard Using the SCMP API
    - samsungpay-auth-merdecrypt-ex-mc-so
  - Authorizing a Payment with Visa Using Merchant Decryption Method
    - Required Fields for Authorizing a Payment Using Visa and the Merchant Decryption Method
    - Authorizing a Payment
    - samsungpay-auth-merdecrypt-ex-visa-rest
    - Example: Merchant Decryption with Visa Using the SCMP API
    - samsungpay-auth-merdecrypt-ex-visa-so
- Authorization Reversal Service
  - Required Fields for Reversing an Authorization
  - Reversing an Authorization
  - samsungpay-reversal-ex-rest
  - Example: Basic Credit Card Authorization Reversal Using the SCMP API
  - samsungpay-reversal-ex-nvp-so
  - samsungpay-reversal-ex-xml-so
- Capture Service
  - Required Fields for Capturing a Payment
  - Capturing a Payment
  - samsungpay-capture-ex-rest
  - Example: Basic Credit Card Capture Using the SCMP API
  - samsungpay-capture-ex-nvp-so
  - samsungpay-capture-ex-xml-so
- Sale Service
  - Required Fields for Performing a Sale
  - Authorizing and Capturing a Payment
  - samsungpay-sale-ex-rest
  - Example: Basic Credit Card Sale Using the SCMP API
  - samsungpay-sale-ex-nvp-so
  - samsungpay-sale-ex-xml-so

On This Page

SCMP API | American Express Direct

Initiating a Payment

You are required to use a specific transaction request structure and required fields to initiate a payment.

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