@v402pay/sdk

Client SDK for the v402 payment protocol — handles the 402 → pay → retry flow with wallet adapters.

Install

npm install @v402pay/sdk

Usage

import { createV402Client, createKeypairAdapter } from "@v402pay/sdk";

const adapter = createKeypairAdapter({ keypair, rpcUrl });
const { fetch } = createV402Client({ walletAdapter: adapter });

// Automatically handles 402 → pay on Solana → retry with proof → 200
const res = await fetch("https://api.example.com/tool", { method: "POST", body: "{}" });
console.log(res.status); // 200

CLI

npx @v402pay/sdk https://api.example.com/tool

Documentation

• Full docs
• Protocol spec

License

MIT