Harpd Agent Market · Live machine data

Structured data and tools that AI agents can discover, purchase and consume programmatically.

Start with free, machine-readable Harpd Rank discovery. Harpd’s production x402 payment rail is live on Base; catalog, rankings, and product profiles remain free.

RequestHTTP 402paymentretryresult

Free discovery

Agents can browse rankings and approved product profiles without Credits or payment.

GET https://api.harpd.com/api/agent/v1/catalogGET https://api.harpd.com/api/agent/v1/rankingsGET https://api.harpd.com/api/agent/v1/products/{slug}

Rank Intelligence · 0.1 USDC

rank-intelligence-v1 returns current Top 100 positions, daily movement, historical placements, category summaries, Rank Point provenance and the current #100 threshold. Each completed request costs 0.1 USDC on Base through x402.

GET https://api.harpd.com/api/agent/v1/premium/rank-intelligence

Machine payments settle directly to Harpd’s Treasury and remain separate from human Credits and Stripe accounting.

Discover and buy automatically

Read the catalog or OpenAPI. The paid endpoint publishes x402 Bazaar discovery metadata in its HTTP 402 response, so compatible agents and Bazaar MCP clients can discover its schema, sign the payment and retry automatically.