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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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- Paid calls · 30 days
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Data & research
4 results- UUK Fuel Prices (testnet)Data & research
UK fuel prices per forecourt for one postcode district. Query parameter: postcode (e.g. SW1A1AA or SW1A). Returns JSON: stations, price per fuel type (E10, B7...), timestamps. Source: GOV.UK Fuel Finder. Contains public sector information licensed under the Open Government Licence v3.0. Independent; not an official government service, not endorsed by GOV.UK. Prices as published, expected pence per
Base Sepoliaapi.ukfuelprice.workers.devfrom $0.011 endpoint - IISHOBData & research
Normalized scholarly metadata + abstract + full rights/attribution for one open-licensed document
Base Sepoliaai-data-archive.health-womens01.workers.devfrom $0.0013 endpoints 
WITANData & researchFull knowledge unit content (query param: id). Digital content, delivered in full on payment: it cannot be withdrawn once delivered unless it differs from its listing (WITAN terms, section 4).
Base Sepoliawitan.marketsfrom $0.011 endpoint- 33HZ Global Weather ForecastData & research
Global weather forecast for latitude and longitude. Returns the forecast valid now, all available hourly forecast points, and the extended forecast in native 6-hour periods without inventing hourly precision. Data source: MET Norway Locationforecast 2.0.
Base Sepoliawallet-services-poc-clean.3hz-services.workers.devfrom $0.0011 endpoint
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.