Explore APIs
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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- 87K
- Paid calls · 30 days
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Data & research
273 results- Iimf-datamapper-series.x402supply.comData & research
Returns one IMF DataMapper indicator (e.g. NGDP_RPCH real GDP growth) for one or more countries, optionally limited to a year range. Output has unit, per-country series of {year, value, forecast_flag}, and a top-level forecast_flag. A point is a forecast when year >= the current UTC year.
Baseimf-datamapper-series.x402supply.comfrom $0.0051 endpoint - HHTTP Header CheckerData & research
Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took.
BaseSolanahttp-header-checker.underscoredone.comfrom $0.011 endpoint - Fforetagskoll.lolalex64.workers.devData & research
Swedish company lookup by organisation number: official name, legal form, active/deregistered status, ongoing liquidation or bankruptcy, registration date, address, SNI industry codes and business description. Source: Bolagsverket and SCB.
Baseforetagskoll.lolalex64.workers.devfrom $0.011 endpoint
DataPulseData & researchNOAA HRRR 3km weather forecast at any CONUS coordinate. Returns temperature, dew point, wind, precipitation, and cloud cover for up to 18 forecast hours.
BaseSolanadatapulse.waltsoft.netfrom $0.501 endpoint- Bbusiness-verification-machine.onrender.comData & research
Business verification snapshot: state-registry status (NY/CO/PA/OR/CT), website-alive, address validation, phone plausibility -> verdict + confidence + flags. Not a credit report.
Basebusiness-verification-machine.onrender.comfrom $0.101 endpoint
QuanticData Data APIData & researchTop up the API balance of this key by $3 (USDC on Base, no VAT). Then the call is billed from the balance at list price.
Baseapi.quanticdata.iofrom $3.001 endpoint- Aapi.datanexusai.orgData & research
Eurostat Comext trade facts (value and quantity).
BasePolygonArbitrumapi.datanexusai.orgfrom $0.013 endpoints - Aapi.cassia-data.comData & research
Premium CASSIA opportunity intelligence
Baseapi.cassia-data.comfrom $0.011 endpoint - Xx402check.anton-14a.workers.devData & research
x402 pre-pay trust/health check: probes another x402 endpoint (unpaid) and returns a verdict.
Basex402check.anton-14a.workers.devfrom $0.0021 endpoint - VVoidpay MarketplaceData & research
One-country brief from the Voidly open censorship observatory: current index status (score, OONI anomaly rate, affected services), up to five recent incidents with citable IDs, and the 7-day censorship-event forecast. Input {"country":"IR"}: two letters (ISO 3166-1 alpha-2, any case). Codes without data return an empty incident list. An unavailable section is omitted. Voidly data CC BY 4.0; OONI-d
Basex402.voidly.aifrom $0.011 endpoint - Ssrch.bestData & research
Structured batch data for agents, paid per request with x402 v2
Basex402.srch.bestfrom $0.0013 endpoints - Xx402.ggez.my.idData & research
Live STX and BTC market intelligence, pay per call in USDC on Base.
Basex402.ggez.my.idfrom $0.011 endpoint - Xx402.asundial.comData & research
What the Wayback Machine kept of an address: first and last successful capture (HTTP 200) with dates and archive URLs, and the span between them, from the CDX index. Query: ?url=example.com/page
Basex402.asundial.comfrom $0.012 endpoints - PPublic Page MetadataData & research
Rank x402 Arena agents and niches by observed self-reported organic purchases while excluding house-funded activity.
Basex402-url-evidence.vercel.appfrom $0.0022 endpoints - Xx402-api-production-266e.up.railway.appData & research
Attach the settled outcome to a signed call once the market resolves. Returns BOTH envelopes: the original live-call and a resolution envelope that binds its content_hash (call and outcome welded together). Idempotent — an already-resolved call returns its stored envelopes.
Basex402-api-production-266e.up.railway.appfrom $0.022 endpoints - Wworks.regevidencehub.comData & research
Paid single sponsor-change impact preflight. Deterministic Skilled Worker sponsor-change impact preflight with official-source freshness gates. Payment verification precedes business execution. Not legal advice or a Home Office decision.
Baseworks.regevidencehub.comfrom $0.021 endpoint - Wweather.parklandarchives.comData & research
No description yet.
Baseweather.parklandarchives.comfrom $0.025 endpoints - WeatherOracleData & research
GFS+ECMWF ensemble temperature probability for NWS weather prediction markets
Baseweather.lonestaroracle.xyzfrom $0.021 endpoint - Wweather-x402.linholiday.workers.devData & research
Observed max/min so far today at a settlement station from METAR/SPECI reports (incl. 6/24-hour max/min groups), local-day aware: separate Kalshi climate-day (LST) and Polymarket local-day windows, plus latest reading.
Baseweather-x402.linholiday.workers.devfrom $0.011 endpoint - Wweather-production-18af.up.railway.appData & research
Current weather for a city (or lat/lon): temperature, feels-like, humidity, wind, precipitation and conditions. JSON.
Baseweather-production-18af.up.railway.appfrom $0.0012 endpoints - Wweather-api-x402-production.up.railway.appData & research
No description yet.
Baseweather-api-x402-production.up.railway.appfrom $0.0011 endpoint - Wweather-api-production-c885.up.railway.appData & research
No description yet.
Baseweather-api-production-c885.up.railway.appfrom $0.0011 endpoint
war-tracker.comData & researchEvent-type hub page at /event-type/{slug}. Aggregates events matching one classification slug (e.g. drone-strike, airstrike, skirmish). HTML with embedded CollectionPage + Dataset JSON-LD pointing back at /api/v1/events?event_type={slug}.
Basewar-tracker.comfrom $0.00154 endpoints- Vverify-serviceData & research
Verify an x402 endpoint: reachable? 402? latency p50/p95? indexed in catalog?
Baseverify-service.node01.orgfrom $0.0011 endpoint
ToolMint NWS AlertsData & researchActive NWS weather alerts for a US state/area code (path: /alerts/area/TX)
Basetoolmint-nws-alerts.toolmint.workers.devfrom $0.0054 endpoints
ToolMint Federal RegisterData & researchFR docs with open comment periods matching q
Basetoolmint-federal-register-json.toolmint.workers.devfrom $0.0055 endpoints- TToolMint Census GeocodeData & research
US address → matched address, lat/lon, state/county FIPS, tract, block group, block, congressional + state legislative districts, place (US Census Geocoder). Example: address=505 Travis St, Shreveport, LA 71101
Basetoolmint-census-geocode.toolmint.workers.devfrom $0.0051 endpoint - Ttoolmint-address-risk-bundle-json.toolmint.workers.devData & research
Location risk bundle by lat/lon or address: Census county/tract, active NWS alerts, nearby USGS quakes, FEMA NFHL flood zone, HUD FMR + Income Limits (when configured)
Basetoolmint-address-risk-bundle-json.toolmint.workers.devfrom $0.051 endpoint - Ttenderfit-mainnet-production.up.railway.appData & research
Score how well a supplier fits a public tender or procurement opportunity. Returns fit score, eligibility assessment, requirements, gaps, risks and recommendation.
Basetenderfit-mainnet-production.up.railway.appfrom $0.051 endpoint - CCSV Quality ReportData & research
Deterministic CSV quality report: missing cells, duplicate rows and column checks; up to 64 KiB and 1,000 records including header.
Basesha256eunicehash.comfrom $0.101 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.