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Amazon Pay Later API Guide

Sample Codes and References to Generate and Verify Signatures

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Amazon Pay Later API Guide

What is Amazon Pay Later?
Get Started With Amazon Pay Later
Get Started With Amazon Pay Later
- Merchant Registration Process
- Amazon Pay Later API Integration Flow
- Authentication
  Authentication
  - Setup Client-side API Keys
    
    Setup Client-side API Keys
    
    Setup a Web application
    
    Setup a Mobile application
  - Setup Backend API Keys
- Signatures
  Signatures
Client Side Integration
Client Side Integration
- Android
  Android
- iOS
  iOS
- Web
  Web
Access Tokens
Initiate Transaction
Track Transaction Status
Track Transaction Status
- Using the Status Check API
- Using the Instant Payment Notification
Manage Refunds
Take Your Integration Live
API Reference
API Reference
Test Cases
Video Tutorials
FAQs
Glossary

Sample Codes and References to Generate and Verify Signatures

Java
DotNet
How to derive a Signing key in several languages
AWS signature v4 process
AWS signature v4 process in python

Calculate the Signature

Client Side Integration

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