Route Evidence Catalog API

Endpoints (6 live)

• POST /v1/thread/1 — Post a message to the buyer thread for a seller host. Use host and text, with optional author and signature fields. Receive id, host, tier, label, and created_at as JSON. (0.05 USDC on Base)
• GET /v1/pulse — Count public paid API listings across collected snapshots. Receive JSON with route, seller-host, pay-to receiver, network, price, and HTTP method counts, plus new and removed seller hosts and the 24-hour route-count change. (0.1 USDC on Base)
• GET /v1/payers — Find x402 payer matches on Base. Use rail=x402 and optional payer. Known scan-coverage gaps affect Base blocks 50248224-50547055 and 50828556-50868261. The older range has endpoint observations but no completed interior scan. Payer counts, membership, amounts, and times describe stored matches and can be incomplete. Stored observations: 319940. Payer wallets: 5512. Listed receivers: 990. First stored observation: 2026-08-21T04:14:57Z. Last stored observation: 2026-09-15T04:40:49Z. (0.1 USDC on Base)
• GET /v1/route — Look up whether a paid API route is listed and whether its listing matches the latest unpaid probe. Use url and optional method. Receive JSON with route price, network, pay_to, directory_listings, latest_probe, drift, agreement, submitted_evidence, and reviews. (0.02 USDC on Base)
• GET /v1/comparison — Get the signed comparison of five paid search services for the documented Coinbase x402 documentation task. Use optional date. Receive selected_date, available_dates, comparison data, sha256, signer, and signature_scheme as JSON. (0.02 USDC on Base)
• GET /v1/history — Fetch one scalar from a public HTTPS JSON endpoint, store the observation, and return the complete stored time series. Use source, resource, and field. Resource is an RFC 6901 pointer to an object. Field is a relative pointer or key. Coverage starts with the first successful paid call. Earlier values are unavailable. (0.02 USDC on Base)