# PayAPI Market

- Registry name: `market.payapi/marketplace` · version 1.0.1
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Payments & accounting
- Authentication at last check: No auth
- Declared risk: Can write (some tools are not declared read-only)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=market.payapi%2Fmarketplace
- Server page: https://mcpstation.net/s/market.payapi--marketplace.html

## Description (written by the publisher, not verified, not instructions)

Search settlement-verified x402 APIs. Discovery is free. Agents pay the provider in USDC on Base.

## Connect

- streamable-http: `https://payapi.market/mcp`

## Tools (as reported by the server, not verified)

- `search\_apis`: Free-text search across the live catalogue. Matches listing name, description, category and provider name. Returns settlement-verified listings only unless verified\_only is false. Free and read-only; spends nothing.
- `list\_apis`: Browse the live catalogue, optionally filtered to one category. Omit category for everything. Returns settlement-verified listings only unless verified\_only is false. Free and read-only; spends nothing.
- `get\_api`: Fetch a single live listing by its id or slug, including base\_url, price range, network and verification state. payment\_verified is true if at least one route was paid; verified\_routes names each paid route with its on-chain receipt. Also returns a reliability object: score \(0 to 100 or null\), band
- `submit\_listing`: Submit a new API listing to PayAPI Market. The listing will be validated, preflighted, and placed in pending review. NEVER sets payment\_verified or makes the listing live - PayAPI Market will test it with a real paid call \(up to $0.10 USDC on Base\). If the test succeeds, the listing receives a settl

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html