x402
Discover and call paid APIs using the X402 payment protocol with automatic USDC payments on Base.
- Search a bazaar of paid services by keyword, list all available resources, or inspect an endpoint's price and requirements without paying
- Make authenticated requests to X402 endpoints with automatic USDC payment in atomic units, supporting GET, POST, PUT, DELETE, and PATCH methods
- Includes query parameters, custom headers, request body support, and max-amount spending limits to control payment exposure
- Requires authentication and USDC balance for paid requests; search and details inspection work without credentials
x402 Payment Protocol
Use the npx awal@2.10.0 x402 commands to discover, inspect, and call paid API endpoints using the X402 payment protocol. Payments are made in USDC on Base.
Workflow
The typical x402 workflow is:
- Find a service - Search the bazaar or get details for a known endpoint
- Check requirements - Inspect price, method, and input schema
- Make the request - Call the endpoint with automatic USDC payment
Commands
Search the Bazaar
Find paid services by keyword using CDP's vector search:
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