# Permit402

> Permit402 lets companies sell their APIs and MCP servers to AI agents per call. Agents pay in USDC with the x402 protocol, straight to the seller's wallet, and are only charged when a call succeeds.

## Services you can pay for

- [Forecast Co (demo)](https://permit402.com/g/demo/llms.txt): A pretend weather API, sold per call through Permit402 as a live demo. Test network only. (test network; from $0.01 per call)

## Docs

- [Directory as JSON](https://permit402.com/directory.json)
- [Documentation](https://permit402.com/docs)
- [Live demo](https://permit402.com/demo)