Skip to main content

Web SDK API Wallet API Account

Introduction & Purpose
API Overview
API Access, Authentication & Environments
SDK Payment Processing Architecture
SDK Integration & Session Management
Payment Session Initialization API
Development Code & Examples
Sample Requests & Responses
Web User Interfaces
Change Log

Development Code & Examples
Utility Class: Cryptography.java

Utility Class: Cryptography.java

This helper class contains methods for key generation, encryption, decryption, and signing.

Creating a Payment Request DTO

Load Public and Private Keys from Local Storage

Copyright © 2026 CellPay API Documentation