fetch() call handles detection of three protocols — x402, L402, and MPP — signs the payment, and returns data. Your agent gets the response, the server gets paid. Browse thousands of scored endpoints on the BoltzPay Registry.
SDK
Drop-in
fetch() replacement. Detects x402, L402, and MPP endpoints, signs payments, returns data.Sessions
openSession() for streaming MPP endpoints with payment channels. Per-voucher budget enforcement.Claude Desktop
MCP tools for discovering, quoting, diagnosing, and paying for APIs through natural language.
Registry
Browse 5,700+ scored endpoints from status.boltzpay.ai. Filter by protocol, score, category.
CLI & Python
Check prices, discover APIs, and fetch paid data from your terminal or Python code.
Integrations
Vercel AI SDK, LangChain, CrewAI, n8n. Add BoltzPay tools in a few lines.
Your Keys
Non-custodial. Coinbase, NWC, Tempo, or Stripe credentials stay on your machine.