# Gatefare

> x402 payment proxy for APIs. Agents discover APIs and pay per
> request in USDC on Base. Publishers get 90% routed on-chain via
> immutable 0xSplits contracts.

## Agent onboarding

- [Sign in with wallet (SIWE)](https://gatefare.io/docs?audience=agents): one signature, no email.
- [Discover APIs](https://gatefare.io/api/catalog): public REST catalog.
- [Pay with x402](https://gatefare.io/docs?audience=agents): signed USDC transfer via X-Payment header.

## Key endpoints

- POST /api/auth/siwe/nonce — request sign-in challenge
- POST /api/auth/siwe/verify — redeem signature for JWT
- POST /api/auth/pat — mint long-lived token (requires JWT)
- GET  /api/catalog — browse APIs
- GET  /api/catalog/search/suggest?q=… — autocomplete
- GET  /api/catalog/category/:slug — per-category landing
- GET  /p/<handle>/<api> — paid endpoint (returns 402 without X-Payment)
- GET  /api/info — live counters + service metadata

## Developers

- [Register an API](https://gatefare.io/docs?audience=devs): programmatic publisher flow.
- [Full REST reference](https://gatefare.io/docs#endpoints)
- [OpenAPI 3.1 spec](https://gatefare.io/openapi.json)
- [llms-full.txt (deep context)](https://gatefare.io/llms-full.txt)

## Rate limits

- Catalog reads: 120 req/min/IP
- Payment proxy:  60 req/min/IP
- Auth + SIWE:    20 req/15min/IP

## Network

Gatefare is live on Base (chain id 8453). Payments denominated in USDC.