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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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Data & research
273 results
Storm Station 247Data & researchOne weather instrument's 247 rank: its place in its state today, reports due and received, timeliness, longest silence and its history. This call needs key, the instrument as net:<STATE>_<NETWORK>:<id>; the example below answers for real. Every address this endpoint serves is listed one at a time at https://stormstation247.com/api/x402.
Basestormstation247.comfrom $0.012 endpoints- CClash of CoinsData & research
Low-cost gateway health probe for real x402 settlement checks
Basex402.clashofcoins.comfrom $0.0012 endpoints - Aapi.locus.reportData & research
Returns cited land use, acreage, year built and legal jurisdiction for an address or jurisdiction-scoped parcel id. Returns the same records as locus_parcel_lookup. Use this when your client can only call paid x402 routes. Use locus-parcel-value instead when you need assessed value and sale fields from the resolved official parcel. Wired official parcel sources only. No owner or mailing fields.
BaseSolanaEthereum+10api.locus.reportfrom $0.0159 endpoints - GgeoprimitivesData & research
Give it a latitude and longitude and it answers with what the nautical chart says about the water there: the depth range of the charted depth area containing the position, the nearest charted sounding and how far away it is, and the chart's own zone of confidence for that area. Parameters go in the query string: this is a GET, there is no body. NOT FOR NAVIGATION, stated first because it is a cond
Baseapi.geoprimitives.devfrom $0.0053 endpoints - SSiteCheck Company RecordsData & research
US Congress bill status from the official GPO GovInfo BILLSTATUS bulk XML (the GovTrack API it replaces has closed): title, sponsor, introduced date, latest action and official congress.gov link for one bill by congress, bill type and number. Covers congresses with BILLSTATUS files (119 at test time).
BaseSolanaEVM chain 5042+9api.companyrecords-api.workers.devfrom $0.002120 endpoints - SSiteCheck Jobs & PropertyData & research
Cook County Assessor building characteristics by 14-digit PIN (Open Data portal): year built, building and unit square feet, bedrooms, land square feet and class, per assessment year. Only what the assessor publishes; no owner data.
BaseSolanaEVM chain 5042+9api.jobsproperty-api.workers.devfrom $0.002112 endpoints - SSiteCheck Trade & EnergyData & research
Monthly Australian thermal coal reference price in USD per metric ton (World Bank series PCOALAUUSDM, via FRED). Not the Newcastle FOB spot index or Richards Bay prices; the route name is kept for the owner. Latest value plus up to 24 months of history.
BaseSolanaEVM chain 5042+9api.tradeenergy-api.workers.devfrom $0.002111 endpoints
Machina SportsData & researchResolves a provider id (api_football, sportradar, opta, entain, espn) or canonical machina URN to the entity it identifies, with all cross-provider ids attached.
Baseagents.machina.ggfrom $0.0131 endpoints- Aagentum.latData & research
Mesmo dado do /verificar-cnpj (situação cadastral, Simples Nacional, endereço) — rota técnica liquidada pelo Facilitador CDP da Coinbase, só pra indexação no Bazaar/agentic.market. Não é um produto novo.
Baseagentum.latfrom $0.0119 endpoints - Iip402.xyzData & research
Paid IP intelligence endpoint returning normalized geolocation and ASN data for a single IPv4 or IPv6 address.
BasePolygonArbitrum+2ip402.xyzfrom $0.011 endpoint - Aapi.govparse.ioData & research
How much open federal money is in the dataset right now? Headline aggregates: active SAM.gov contract opportunities (and how many still have an open deadline), Grants.gov opportunities by status (posted vs forecasted), and USAspending award records on file with their total dollar amount.
BaseSolanaapi.govparse.iofrom $0.0015 endpoints - Aagentx.saleData & research
Live current weather for any city (Open-Meteo)
BaseSolanaagentx.salefrom $0.0126 endpoints - Aapi.x402lint.devData & research
Paid ($0.05). ALWAYS runs a fresh 25-check scan of the origin (non-settling GET/HEAD + benign empty-POST probes), bypassing the 24h cache — use free GET /v1/report to read the cached result. Concurrent requests for the same origin join the in-flight scan rather than double-scanning. Returns grade, score, per-check status + evidence + fix instructions, and a shareable report URL. Unreachable/broken
Baseapi.x402lint.devfrom $0.052 endpoints - Ppolls.karbach.digitalData & research
Latest federal polls (Sonntagsfrage), party names normalised. Use when asked about the newest federal polls by institute. Source-attributed. Refused (503, not charged) if data is older than 13 hours.
Baseapi.polls.karbach.digitalfrom $0.0146 endpoints - Aapi.predictionmarketdata.ioData & research
Aggregated prediction-market statistics by sector.
Baseapi.predictionmarketdata.iofrom $0.0018 endpoints - Vvending-machine-seven.vercel.appData & research
Current temperature and wind for a city from Open-Meteo (live forecast data)
Basevending-machine-seven.vercel.appfrom $0.00211 endpoints - Vvendsdk.comData & research
Public URL status, latency, and response header subset for uptime and health agents
Basevendsdk.comfrom $0.00214 endpoints - VVALUNARIA BUS-WEBData & research
VALUNARIA Evidence Fast
Basex402.valunaria.comfrom $0.015 endpoints - Aapi.healthparse.ioData & research
Discover pharma & device MANUFACTURERS from CMS Open Payments by name, total-spend band, or year of first appearance — the emerging/small-brand filter (low total_spend and/or recent first_seen_year) plus optional specialty/state activity. Answers: which small or new manufacturers pay physicians in my category and territory? Entity-resolved company dimension (DBA/subsidiary variants merged). Filter
Baseapi.healthparse.iofrom $0.00518 endpoints - Xx402.coinstats.appData & research
CoinStats current Fear & Greed Index — sentiment score from Extreme Fear (0) to Extreme Greed (100)
Basex402.coinstats.appfrom $0.000115 endpoints - HHALOWERK marktwerkData & research
Returns the raw public trade tape of Binance, Coinbase, Kraken, OKX or Bybit for one BASE/QUOTE pair, oldest first, exactly as the exchange reports it — no smoothing, no merging of prints. side is the side of the aggressor: reported directly by Kraken, OKX and Bybit, derived from the maker flag at Binance, and inverted from the maker side at Coinbase; side_source names which case applies. Where an
Basemarkt.halowerk.comfrom $0.0025 endpoints - Iip-geo-api-production.up.railway.appData & research
Geolocate an IPv4/IPv6 address: country, region, city, postcode, lat/lng, timezone, ISP, org, ASN, and a datacenter heuristic.
Baseip-geo-api-production.up.railway.appfrom $0.0012 endpoints - Aapi.ideafactorylab.orgData & research
Current weather for any city. Pass ?city=London
Baseapi.ideafactorylab.orgfrom $0.0014 endpoints - Wweather.agentic-jp.comData & research
List every JMA forecast office (府県予報区) in Japan with its code, Japanese/English name, and class10 sub-regions. Use this to discover valid `:area` values.
BasePolygonSolanaweather.agentic-jp.comfrom $0.0011 endpoint - Aagents.factstamp.devData & research
Says whether a citation can be repeated. Give a DOI, an arXiv ID or a paper title; the answer says whether the work exists, what it is (title, authors, year, container) and whether it has been retracted. A title that is absent from both Crossref and arXiv returns not_found, and a near title match is never reported as verified. Cited to the source record with its retrieval time. Verdicts: verified,
Baseagents.factstamp.devfrom $0.0214 endpoints - SSettledData & research
Price: $0.002 in USDC on Base. Signed check of an x402 endpoint before you pay it: who really pays it on Base (settlements and unique payers over 30 days), a fresh unpaid probe (cached ≤5 min) with status, latency and the parsed quote, payability, paying agents' reports, the seller's claim, the scout's last real purchase (settlement transaction and whether it matched the listing), a quality score
Basesettled.toolsfrom $0.0026 endpoints - NNZ Data APIData & research
Validate and normalise an NZ phone number to E.164 with type
Basenzdata.zakwins.workers.devfrom $0.0018 endpoints - GG-Forge Select CSV ColumnsData & research
Create a focused CSV export with only the columns you need. Select and reorder 1–32 named columns from supplied CSV text. Preserves row order and decoded cell text, then writes correctly quoted CSV. Missing columns are rejected. Useful for cleaner spreadsheet and API handoffs.
Baseapi.getretold.comfrom $0.0112 endpoints - SSite ClimateData & research
Elevation at a location and what it does: air pressure, boiling point of water, air density and oxygen versus sea level.
BaseSolanaPolygon+1site-climate.x402tookit.comfrom $0.029 endpoints - CCompany Registry LookupData & research
French company lookup in the official SIRENE register (Annuaire des Entreprises) by SIREN, SIRET or company name. Returns legal name, active/ceased status, legal form, creation date, head-office address and NAF activity code in a schema shared across countries.
BasePolygonArbitrum+1companies.use.x402atlas.comfrom $0.058 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.