Explore APIs
Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
- Projects
- 4.4K
- Paid endpoints
- 87K
- Paid calls · 30 days
- 885K
- Launched here
- 0
Other services
2 results- SSCVD General StoreOther services
Spot Check. REQUIRES ?host= on the paid request — a signed request without it is refused before the gate and no money moves. Name a host and get what this observatory already holds on it, signed: corpus rounds and verdicts as recorded, when we last actually knocked, our coverage of the window since we met it, and the gaps with their reasons. Read from the books at the counter — no request is made
BasePolygonArbitrum+3scvd.storefrom $0.00112 endpoints - FFastPath Bitcoin APIOther services
Pay once to receive a short-lived WebSocket ticket for the live Bitcoin mempool stream.
BasePolygonArbitrum+1api.nativebtc.orgfrom $0.0052 endpoints
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.