DCE API integration guide

Last updated: 2026-07-30

Welcome to the DCE API documentation for merchants and integrators. These guides help you integrate with the platform to accept stablecoin deposits (USDT on TRON today; more currencies and networks coming soon), manage per-network withdrawals, and automate operations with webhooks.

📋 Table of Contents

🚀 Getting Started

Welcome & getting started — Overview, environments, first steps, contact & collaboration
Quick Start Guide - Get up and running in minutes
Authentication Setup - API keys and request authentication
Merchant Authentication Guide - Backend-only credential handling after account creation
Testing Guide - Test your integration and verify functionality

💳 Core Payment Features

Deposits - Accept customer payments and create deposit addresses
Withdrawals - Process withdrawals and manage payout flows
Balance Management - Check balances and track funds
Transactions - View transaction history and status

🔧 Advanced Features

Deposit URLs - Create hosted payment pages for customers
Exchange Rates - Get current exchange rates for currency conversion

🔗 Integration Tools

Webhooks - Handle real-time payment notifications
API Reference - Complete technical reference for all endpoints
Fees Reference - Fee types, formulas, and reconciliation mappings
Changelog - Dated record of API and platform changes

🛠️ Support & Troubleshooting

Error Handling - Understand common errors and troubleshooting
Troubleshooting Guide - Resolve common integration issues
Security Guide - Security best practices and compliance

🚀 Quick Start

New here? Read Welcome & getting started, then follow the Quick Start Guide for hands-on steps.

📚 Core Features

Authentication & Security

Authentication Setup - Learn how to set up API keys and authenticate requests
Error Handling - Understand common errors and troubleshooting

Payment Processing

Deposits - Accept customer payments and create deposit addresses
Withdrawals - Process withdrawals and manage payout flows
Balance Management - Check balances and track funds
Transactions - View transaction history and status

Advanced Features

Deposit URLs - Create hosted payment pages for customers
Exchange Rates - Get current exchange rates for currency conversion

Integration Tools

Webhooks - Handle real-time payment notifications
API Reference - Complete technical reference for all endpoints
Testing Guide - Test your integration and verify functionality
Troubleshooting Guide - Resolve common integration issues
Security Guide - Security best practices and compliance

🔧 Getting Started

Set up authentication - Get your API keys and configure request headers
Create your first deposit - Generate deposit addresses for customer payments
Handle webhooks - Set up webhook endpoints to receive payment notifications
Test your integration - Use our testing tools to verify everything works

📖 Documentation Structure

This guide is organized into logical sections to help you find exactly what you need:

Core Integration: Authentication, deposits, withdrawals, and balance management
Advanced Features: Deposit URLs and exchange rates
Developer Tools: API reference, testing, and error handling
Examples: Complete code examples and integration patterns

🆘 Support

If you need help with your integration:

See Welcome & getting started — Contact us for [email protected] (inquiries, integration help, partnerships, security topics).
Check the Troubleshooting Guide for common issues and solutions
Review the Testing Guide to verify your setup
Consult the Error Handling guide for error management
Review the Security Guide for security best practices
Consult the API Reference for detailed endpoint documentation

🔗 Related Resources

Testing Guide — verify requests, webhooks, and end-to-end flows
Authentication setup — API key usage and safe patterns
Security Guide — operational security for integrations