🚀 Curated list of x402 resources: HTTP 402 Payment Required protocol for blockchain payments, crypto micropayments, AI agents, API monetization. Includes SDKs (TypeScript, Python, Rust), examples, facilitators (Coinbase, Cloudflare), MCP integration, tutorials. Accept USDC payments with one line of code. Perfect for AI agent economy.

PEAC Protocol: Portable Evidence for Agent Coordination

XMR402 is an open, neutral standard for internet-native payments. It absolves the Internet's original sin by natively making payments possible between clients and servers, creating win-win economies that empower agentic payments at scale. XMR402 exists to build a more free and fair internet.

Korean resources and tutorials for x402 payment protocol on Base chain

One-command local development environment for HTTP 402 Payment Required protocol with blockchain payments (EIP-3009 USDC)

A Next.js proxy implementing end-to-end x402 gateway integration — enabling payment-gated APIs and resources with on-chain USDC settlement on Solana, no accounts required.

t402 Payment Protocol - The Official Payment Protocol for USDT

Wallet-signed, pay-per-request data utilities (CSV validation, data cleaning, PDF extraction) using the x402 HTTP payment flow.

Industrial-grade Monero payment gating for modern APIs. IETF-compliant, 0-conf enabled, and built for the sovereign internet.

💻 Spin up a complete local x402 payment server to test the HTTP 402 Payment Required protocol with blockchain payments effortlessly.

A HTTP 402 reverse proxy authentication server that utilizes Monero Transaction Proof Authentication Token

x402 service provider tooling for Azeth — gate Hono endpoints behind x402 payments

Pay‑per‑use AI image generator with x402 (HTTP 402) micropayments using USDC on Base. Frontend (Next.js) + API (Express, TypeScript), Replicate-powered.

Cloudflare Worker para cobrar a los crawlers de IA con HTTP 402

NodeJS / NUT-24 Express middleware - Enabling payments for http resources

TypeScript-style x402 v2 settlement adapter for XRPL in Python: issue challenges, build payment memos, verify on-ledger settlement, replay-safe.

A DAO CFO risk console with self-funding HTTP 402 micropayments for market data escalation

Go client library for L402 (HTTP 402 Payment Required with Lightning Network) - pay-per-request APIs

TRON Energy & Bandwidth MCP Server + DEX Swap Aggregator for AI agents. 27 tools: self-service onboarding, buy/sell TRON resources, swap tokens on SunSwap DEX via MCP, REST API, or HTTP 402. Only 10% commission.

A Next.js proxy implementing end-to-end x402 gateway integration — enabling payment-gated APIs and resources with on-chain USDC settlement on Solana, no accounts required.