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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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Social & people
3 results- Ttwin.unykorn.orgSocial & people
Gas price on Base and Ethereum in ONE call (legacy gas price + EIP-1559 priority fee, wei and gwei) — Genesis402 / UnyKorn Operator Network
BasePolygonSolana+1twin.unykorn.orgfrom $0.001276 endpoints - DDNS A Record LookupSocial & people
DNS A record lookup — resolve any hostname or domain to its IPv4 addresses, returned as a clean JSON list. For host resolution, connectivity and uptime checks, IP-reputation enrichment and infrastructure mapping.
BasePolygonArbitrum+1dns.use.x402atlas.comfrom $0.0057 endpoints - Llookup_carrierSocial & people
Use this when you already have a carrier's USDOT number and need its current profile: safety rating, authority status, insurance flags, fleet size. Returns Active, Inactive, and Pending carriers alike. Billed only when the number resolves to a real carrier; an unknown number is free.
SolanaBasePolygonfmcsa-mcp-843680657471.us-central1.run.appfrom $0.0122 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.