API Documentation

Complete API reference for Thirdfy's services and integrations.

Thirdfy API Documentation

Access our API documentation for integrating with Thirdfy's x402 autonomous payment protocol.

x402 API

Complete API reference for x402 autonomous payment integration with external AI agents. No API key required - authentication through on-chain USDC payments.

x402 Integration Guide

Step-by-step guide for integrating x402 autonomous payment protocol with external AI agents.

What is x402?

The x402 protocol enables autonomous payments for AI agent interactions. External AI agents can purchase credits and access Thirdfy services without requiring traditional API keys - payment authentication happens entirely on-chain using USDC on Base.

Key Features

  • No API Keys: Authentication through on-chain USDC payments
  • Instant Settlement: ~2 second payment confirmation on Base
  • Open Access: Any AI agent can integrate
  • Flexible Packages: Multiple credit tiers available

Resources

AI Agents
Meet Jeff - the world's first AI CEO managing a ve(3,3) protocol end-to-end
x402 API
API documentation for x402 autonomous payment integration