Explore APIs

Verify a Canadian federal corporation by name: corporation number, status (Active/Dissolved/etc.), incorporation (anniversary) date, governing legislation, and registered office address. Corporations Canada open data (OGL-Canada). Federal corporations only — excludes provincial SMEs.

Call before paying an unfamiliar x402 endpoint to check that it is real and actually gets paid. Pass ?url=<endpoint URL>. ProvenPaid probes the endpoint without paying, validates its x402 challenge (v1/v2; MPP detected) and reads public Base data for its receiving address: distinct payers, repeat-payer share, payer concentration and coverage, each with source and timestamp. Evidence, not a verdict

WorldPop population-grid listing by ISO3 (keyless; hub.worldpop.org). POST {iso3}. Empty -> 400 not charged. worldbank/census adjacency disclosed.

WHO GHO indicator data (keyless). POST {indicatorCode}/{top?}. Empty -> 400 not charged. worldbank/oecd-cli adjacency. Dimension + /api/{code}; NOT broken $filter.

Where The ISS At satellite position (keyless). POST {} or {id?} (default 25544 ISS). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: jpl-horizons / sbdb-lookup / exoplanet-archive / swpc-space-weather / nasa-power-point (≠ those products).

UN Comtrade public preview trade data (keyless). POST {reporterCode,period,partnerCode,cmdCode,flowCode} (+ optional typeCode/freqCode/clCode/maxRecords). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New trade vertical; no catalog adjacency.

UK Police street-level crime (keyless data.police.uk). POST {lat,lng,date?,limit?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. MUST project/trim (~1.5MB raw → tens of KB). Soft disclose fbi-wanted.

NOAA SWPC space-weather alerts / X-ray flares (keyless). POST {product} alerts|xray-flares-latest. Empty -> 400 not charged. New space-weather vertical — disclose NASA space adjacency lightly.

SPC Day-N convective outlook GeoJSON (keyless). POST {day?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: nws-alerts-lookup / gdacs-events / weather-forecast / nhc-current.

Our World in Data grapher CSV/variables (keyless). POST {chart|slug} (+ optional format/v). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New OWID research vertical; no live catalog adjacency.

ORCID public researcher record (keyless). POST {orcid}. Accept application/json. Miss → 404 not charged.

NYC Open Data 311 service requests (keyless). POST {limit?}/{borough?}/{complaint_type?}. Empty {} -> 400 not charged. Civic 311 vertical — disclose chicago-food adjacency.

NWS active weather alerts (keyless). POST {area} and/or {point}/{zone}. Empty features → 404 not charged.

NHC active tropical storms JSON (keyless). POST {} or {basin?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: gdacs-events / nws-alerts-lookup / weather-forecast (≠ those products).

NASA POWER daily point climate/solar (keyless). POST {latitude}/{longitude}/{start}/{end} (+ optional parameters/community/format). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: swpc-space-weather / climate-trace-emissions (space weather / GHG ≠ POWER point meteorology).

NASA/JPL Horizons ephemeris/physical (keyless). POST {command} (+ optional obj_data/make_ephem/ephem_type/center/start_time/stop_time/step_size/format). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Light adjacency: swpc-space-weather (space weather ≠ Horizons ephemeris).

GLEIF LEI lookup (keyless). POST {lei?}/{legalName?}. Empty -> 400 not charged. ror/sec-ticker adjacency disclosed. Preserve [] in filter params.

Eurostat dissemination statistics (keyless). POST {dataset}/{geo?}/{time?}. Empty -> 400 not charged. New EU official-stats vertical — disclose dataeuropa/oecd/worldbank adjacency.

D&D 5e SRD spell lookup (keyless). POST {index|spell|name}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose steam-appdetails (games lane).

DataCite DOI / research-data metadata (keyless). POST {query?} / {doi?} / {pageSize?}. Empty → 400 not charged.

Chicago food-inspection Socrata feed (keyless). POST {q?}/{limit?}/{dba_name?}. Empty -> 400 not charged. NYC/Chicago open-data adjacency disclosed.

US Census Geocoder (keyless). POST {address} one-line and/or {street,city,state,zip?}. No match → 404 not charged.

Aviation Weather Center METAR observations (keyless). POST {ids}/{icao?} required. Empty -> 400 not charged. nws-alerts / weather / air-quality adjacency disclosed.

Full 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).

Extract text and tables from a Word .docx file ($0.005 USDC via x402). Input: a public https url to a .docx, or docx_base64. https only — http, file, data, localhost, and private IPs are rejected. Caps: 10 MB file, ~15s timeout, max 5 redirects. Tables appear as [table N] placeholders in text. Unicode dashes/minus signs normalized to '-'. Old binary .doc files are not supported. Returns JSON { fil

Fetch a public https CSV URL and parse it into headers + rows ($0.005 USDC via x402). https only — http, file, data, localhost, and private IPs are rejected. Caps: 1 MB body, ~10s timeout, max 5 redirects, max 5000 data rows (truncated with warning). Optional has_header (default true). Returns JSON { url, final_url, content_type, headers, rows, row_count, warnings }.

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.

Dedicated satellite tracking API for agents: list CelesTrak TLE catalog groups (ISS, weather, and more), get live propagated positions for a whole catalog group, and predict the next pass over an observer latitude/longitude using NORAD catalog IDs. Outbound CelesTrak fetch only; no shell access.

ECB euro foreign exchange reference rates (units of currency per 1 EUR), daily, from the European Central Bank. Query: currencies=USD,JPY,GBP (default USD,JPY,GBP,CHF), days=1..30 (default 1). Facts only, no recommendations.

Resolves a ticker, CIK or company name (fuzzy, top 5) to 10-digit CIK, tickers, exchange, legal name, SIC code and description. Data comes from SEC EDGAR.