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Generic HTTP 402 adapter with multi-rail payment negotiation
TypeScript SDK for implementing HTTP 402 payment flows on Ethereum and EVM chains
HTTP 402 payment-gated APIs with Stellar payments
x402 protocol adapter for PaySentry — spending limits, circuit breakers, and observability for HTTP 402 payments
HTTP 402 Payment Required middleware for Mantle Network - monetize your APIs via on-chain payments
TypeScript SDK for agentic commerce - AI agent payments via HTTP 402 micropayments on Coinbase x402 protocol
Complete SDK for monetizing APIs with HTTP 402 payments on Mantle Network. Protect API routes, handle payments automatically, and track revenue.
A collection of implementation for ECMAScript abstract operations
Core SDK for HTTP 402 (x402) payments and entitlements
MCP server middleware for HTTP 402 Payment Required with support for multiple networks including OKX/XLayer
Server middleware for HTTP 402/x402 (Express/Next.js/Hono/edge)
Client utilities to handle HTTP 402/x402 retries (X-PAYMENT)
Core HTTP 402 payment library for Nano cryptocurrency - framework agnostic
Utilities for handling HTTP 402 Payment Required responses with the faremeter payment protocol
zlib port to javascript - fast, modularized, with browser support
n8n node for Solana x402 payment protocol - Return HTTP 402 Payment Required
n8n node for Solana x402 payment protocol - Return HTTP 402 Payment Required
Tether HTTP 402 Payment Protocol. Visit https://t402.io for documentation.
Intl.supportedValuesOf polyfill
React component library for Coinbase x402 HTTP 402 payments