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@openlibx402/core

Core TypeScript library for X402 payment protocol.

Installation

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npm install @openlibx402/core

Features

  • Payment request and authorization structures
  • Solana blockchain integration
  • HTTP 402 protocol support
  • TypeScript types and interfaces

Usage

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import { PaymentRequest, SolanaPaymentProcessor } from '@openlibx402/core';
import { Keypair } from '@solana/web3.js';

const processor = new SolanaPaymentProcessor('https://api.devnet.solana.com');

const request: PaymentRequest = {
  paymentAddress: 'wallet_address',
  amount: '0.10',
  assetAddress: 'token_mint'
};

const transaction = await processor.createPaymentTransaction(request, keypair);
const txHash = await processor.signAndSendTransaction(transaction, keypair);

License

MIT