x402 Payment Gateway Template

What it can do

• Accept USDC micropayments per API request

  API request with USDC payment → Payment validation and API access

• Implement x402 protocol for HTTP-native payments

  HTTP request → HTTP 402 status code with payment requirements

• Process stablecoin payments without intermediaries

  USDC payment transaction → Direct payment confirmation

• Enable API access without API keys or subscriptions

  Payment-authenticated request → API response without credential verification

• Support multiple blockchain networks

  Payment on various blockchain networks → Cross-chain payment validation

• Deploy self-hosted payment gateway

  Docker configuration and Node.js environment → Running payment gateway instance

Why it made the leaderboard

Self-hosted, production-ready gateway implementing the x402 protocol — your API accepts per-request USDC micropayments over HTTP 402 with no API keys, subscriptions, or intermediaries, across multiple blockchains.

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