PayDirect Playground

Fund the Demo Merchant Wallet First

The playground uses Base Sepolia testnet. To run demos, send Base Sepolia ETH or Base Sepolia USDC to the demo merchant wallet below. Testnet tokens are free — make sure you're on the Base Sepolia network, not Ethereum Sepolia.

Coinbase Faucet (ETH + USDC)Alchemy Faucet Check Balance on BaseScan

Agent-to-Agent Demo

Watch two AI agents transact in real time using the PayDirect sandbox API

API Examples

Try live API-powered features with your own key

x402 by Coinbase

Test x402 protocol — HTTP-native payments for agents

Amount

Token

Network

Response

View the API response and payment requirements

{
  "title": "Basic Payment",
  "description": "Simple payment request with a single token",
  "endpoint": "/api/payments",
  "method": "POST",
  "body": {
    "amount": "0.01",
    "currency": "USDT",
    "description": "Basic payment example"
  }
}