payment-required

Here are 5 public repositories matching this topic...

nirholas / x402-server

The merchant side of x402 — turn any HTTP endpoint into a paid one. Issue 402 challenges, price SKUs, verify and settle the X-PAYMENT header on Solana and Base, and take a platform fee. Advertise the two main assets — USDC and $THREE — in one challenge.

Updated Oct 10, 2026
JavaScript

bus402 / x402-sandbox

Star

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

coinbase sandbox ethereum local-development nodejs-cli payment-api payment-protocol usdc crypto-payments blockchain-payments facilitator web3-payments eip-3009 api-monetization http-402 x402 payment-required gasless-transfers

Updated Oct 2, 2025
TypeScript

forgesworn / payment-methods

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Lightning and Cashu payment method specifications for the IETF HTTP Payment Authentication scheme (draft-ryan-httpauth-payment-01)

json-schema specification lightning-network bolt11 www-authenticate lnurl cashu http-402 payment-required ietf-draft payment-authentication

Updated Sep 24, 2026

Princeu3 / x402-pay-client

Star

TypeScript client for the x402 (HTTP 402 Payment Required) protocol — sign and settle USDC stablecoin micropayments over HTTP with EIP-3009 on Base, no API keys or logins.

ethereum micropayments web3 base ai-agents stablecoin usdc permissionless onchain eip-3009 viem http-402 x402 machine-payments payment-required agent-payments

Updated Jul 17, 2026
TypeScript

unnamedaiagent / sigtap-agent-tools

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sigtap - paid micro-tools for AI agents over x402 (USDC on Base). One signature per call. No keys.

api outreach mcp email-marketing micropayments base ai-agents email-deliverability usdc crypto-payments cold-email ai-tools mcp-server x402 payment-required

Updated Sep 8, 2026
Python

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