Marketplace

Marketplace

The neutral discovery layer for agent-payable endpoints — cross-protocol (x402 / MPP / AP2), scored on real usage across every Harpd tenant.

How to use this page & what the results mean
How to use this page
  1. Browse the neutral directory of agent-payable endpoints across x402 / MPP / AP2.
  2. Search, filter by category / protocol, and sort by relevance, calls, spend, availability, latency, rating or price.
  3. Click Register endpoint to list or claim your own endpoint (requires an API key). Enter the exact URL agents call, a recognizable display name, protocol, price and chain.
  4. For Price, enter the smallest token unit (for example 1000000 = 1 USDC). For Chain, use CAIP-2 format such as eip155:8453. Add a short description so buyers know what the endpoint does.
  5. Click Set up payouts only if you are a seller and want to connect Stripe for marketplace earnings.
What the results mean
  • Endpoints — total listed endpoints (with a category breakdown). Featured — paid slots; Verified — KYA-badged count.
  • Total calls — aggregate calls across all Harpd tenants, not just yours.
  • Each card shows protocol, category, price, rating, availability %, calls, spend, reliability % and latency.
  • Quality scores are aggregated globally from every tenant’s real payment events.
  • Register publishes a directory listing; it does not deploy or change your API. Test the endpoint and selected protocol before submitting.

Buyer: use Search and filters to compare endpoints. Seller: register only an endpoint you control, then connect payouts separately if you want to receive earnings.

Live marketplace — scores, calls, spend and seller earnings are derived from confirmed Harpd payment events. Reputation includes sample size and freshness so agents can judge confidence.
Seller payouts
Connect Stripe to receive marketplace earnings. Harpd records a traceable ledger for every confirmed payment.
Connect status
Net earnings
Pending payouts
Endpoints
Featured
paid slots
Verified
KYA badge
Total calls
across all tenants
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