Paywalled HTTP tools for agents using x402 (HTTP 402): auto-handle 402 → pay → retry with a server middleware, agent-friendly client, and examples
x402-toolkit is an early-stage TypeScript project in the AI payments / x402 ecosystem, focused on ai-agents, fastify, http-402, micropayments. It currently has 0 GitHub stars and 0 forks, and sits alongside related tools like piprail, x402-pay, x402-client.
x402 (HTTP 402 Payment Required) SDK + MCP server: let any API charge for itself and any AI agent pay for itself, USDC & stablecoins across EVM, Solana & 8 more chain families, in a couple of lines. Backendless, no fee, self-custodial, paid straight to your wallet. TypeScript, MIT.
Open-source x402 payment processor for AI agents. Sub-400ms settlement on Solana + 7 EVM chains. Let LLMs pay for APIs programmatically with USDC. npm: nory-x402
Client SDK for the Vybe x402 API. Pay-per-call USDC over HTTP and prepaid-credit WebSocket streaming for Vybe's Solana analytics API. Built for AI agents.