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x402tookit.com

50 agent-payable APIs. Every listing carries a tested call recipe - endpoint, auth shape, pricing, and known gotchas - on its detail page. x402tookit.com ↗

APICategoryPrice / callUptime 30dStatusDocs
Land Survey Screening
Area in acres, hectares and square meters and perimeter of a polygon from lat,lon vertices, e.g. a parcel or flight area.
-$0.02-listedcall recipe →
Land Survey Screening
FEMA flood hazard zone at a US latitude and longitude: high-risk (A/AE/V), moderate or minimal, with base flood elevation.
-$0.02-listedcall recipe →
Land Survey Screening
First-look site screen for a US coordinate: elevation, FEMA flood zone and mapped wetlands combined, with flags.
-$0.05-listedcall recipe →
Land Survey Screening
Elevation profile along a line between two US points: relief, ascent, descent, steepest grade and a flat/steep verdict.
-$0.03-listedcall recipe →
Land Survey Screening
Ground elevation in feet and meters at a US latitude and longitude from USGS 3DEP, with data-coverage check.
-$0.02-listedcall recipe →
Land Survey Screening
Sunrise, sunset, civil twilight and day length for a latitude/longitude and date, in UTC and a chosen UTC offset.
-$0.02-listedcall recipe →
Land Survey Screening
Is a US point inside a mapped wetland? National Wetlands Inventory type and size, as a permitting heads-up.
-$0.02-listedcall recipe →
Land Survey Screening
Great-circle distance (miles, km, feet, nautical miles) and initial compass bearing between two latitude/longitude points.
-$0.02-listedcall recipe →
NASA Exoplanets
Closest known exoplanets to the Sun in light-years, optional size filter, with star type, orbit and habitable-zone position.
-$0.02-listedcall recipe →
NASA Exoplanets
Habitable-zone screen for a named exoplanet: orbit versus the zone edges, size class and rocky-planet plausibility.
-$0.02-listedcall recipe →
NASA Exoplanets
Transit depth (Rp/Rs squared) in percent and ppm from planet and star radius, plus duration if period and star mass are given.
-$0.02-listedcall recipe →
NASA Exoplanets
Habitable-zone edges in AU for a star from luminosity or radius, plus temperature (Kopparapu 2013), and where an orbit falls.
-$0.02-listedcall recipe →
NASA Exoplanets
Planet size, mass, density, gravity and escape speed as ratios to Earth, with insolation if luminosity and orbit are given.
-$0.02-listedcall recipe →
NASA Exoplanets
Confirmed exoplanet discovery counts by year and by detection method, with totals, the peak year and a cumulative series.
-$0.03-listedcall recipe →
NASA Exoplanets
Planet equilibrium temperature in K, C and F from star luminosity or temperature and radius, orbit distance and albedo.
-$0.02-listedcall recipe →
NASA Exoplanets
Hill radius of a planet in AU and km from its mass, orbit, eccentricity and star mass, with the stable-moon region.
-$0.02-listedcall recipe →
NASA Exoplanets
All confirmed planets of a host star by name, with star properties and each planet's period, size and habitable-zone position.
-$0.02-listedcall recipe →
Site Climate
Average wind speed at 10 m scaled to a turbine hub height, with approximate wind power density and NREL class for a location.
-$0.02-listedcall recipe →
Site Climate
Day length, sunrise, sunset (UTC) and solar noon for a latitude, longitude and date, including polar day and night.
-$0.02-listedcall recipe →
Site Climate
Estimated heating and cooling degree days by month for a location from NASA temperature normals, in Celsius and Fahrenheit.
-$0.02-listedcall recipe →
Site Climate
Monthly average temperature, rainfall, humidity and wind for any coordinates, with hottest, coldest and wettest months.
-$0.02-listedcall recipe →
Site Climate
Compare the climate of two places by coordinates: temperature, rainfall, sunshine, wind, humidity and Koppen class side by side.
-$0.05-listedcall recipe →
Site Climate
Koppen-Geiger climate class (such as Cfa or BSk) for a location, computed from its monthly temperature and rainfall normals.
-$0.02-listedcall recipe →
Site Climate
Elevation at a location and what it does: air pressure, boiling point of water, air density and oxygen versus sea level.
-$0.03-listedcall recipe →
Site Climate
Monthly rainfall totals for a location, wettest and driest months, and how seasonal the rain is (Walsh-Lawler index).
-$0.02-listedcall recipe →
Site Climate
Monthly sunlight (peak sun hours) at a latitude and longitude, resource class, and optional solar PV yield for a system size.
-$0.02-listedcall recipe →
Site Climate
Daily weather history for a location and date range (up to a year): temperature, rain, wind, sunlight and summary stats.
-$0.05-listedcall recipe →
Space Objects
Asteroids and comets passing Earth within a lunar-distance limit in the next or last N days: distance, speed, size range.
-$0.02-listedcall recipe →
Space Objects
Recorded fireball (bolide) events from US sensors: time, place, altitude, speed and impact energy in kilotons, newest first.
-$0.02-listedcall recipe →
Space Objects
JPL Sentry impact-monitoring objects above a Palermo-scale threshold: probability, Torino level, size and impact years.
-$0.02-listedcall recipe →
Space Objects
Asteroid or comet by name or designation: orbit class, NEO/hazardous flags, size, orbit elements, MOID and discovery.
-$0.02-listedcall recipe →
Space Objects
Orbital period from semi-major axis via Kepler's third law, with perihelion, aphelion and speeds when eccentricity is given.
-$0.02-listedcall recipe →
Space Objects
Convert a distance between km, miles, astronomical units and lunar distances, with light travel time.
-$0.02-listedcall recipe →
Space Objects
Is this asteroid on the JPL Sentry impact-risk list? Probability, Palermo and Torino levels, size and likeliest impact dates.
-$0.02-listedcall recipe →
Space Objects
Asteroid diameter from absolute magnitude H and albedo (or a dark-to-bright range), plus optional impact energy in megatons.
-$0.02-listedcall recipe →
Space Objects
Past and future Earth close approaches of one asteroid or comet by designation, for example Apophis in 2029.
-$0.02-listedcall recipe →
Space Objects
Torino scale levels explained, or the Palermo scale value from impact probability, energy in megatons and years until impact.
-$0.02-listedcall recipe →
Species and Biodiversity
Most-recorded species within a radius of a location (birds, mammals, plants and more), with observation counts.
-$0.05-listedcall recipe →
Species and Biodiversity
Species profile in one call: accepted name, taxonomy, common name, IUCN status, record count and top countries where recorded.
-$0.05-listedcall recipe →
Species and Biodiversity
Parse a scientific name into genus, species epithet, subspecies or variety, authorship and year, and check capitalisation.
-$0.02-listedcall recipe →
Species and Biodiversity
Countries where a species has been recorded with record counts, and the recent five-year reporting trend.
-$0.03-listedcall recipe →
Species and Biodiversity
Resolve a species name (typos, old synonyms) to its accepted scientific name and full taxonomy, with match confidence.
-$0.03-listedcall recipe →
Species and Biodiversity
Search species by common or scientific name; returns accepted species with taxonomy and common name.
-$0.02-listedcall recipe →
Species and Biodiversity
IUCN Red List category of a species (EX to LC) with its meaning and whether it counts as threatened.
-$0.03-listedcall recipe →
Species and Biodiversity
Decode an IUCN Red List code (EX, EW, CR, EN, VU, NT, LC, DD, NE) into its category, meaning and threatened flag.
-$0.02-listedcall recipe →
US Geography
Look up a US state or territory by name, postal abbreviation or FIPS code: all three, region, division and capital.
-$0.02-listedcall recipe →
US Geography
Metro area context for a US address or lat/lon: metro or micropolitan area, urban area, county and urban or rural setting.
-$0.02-listedcall recipe →
US Geography
US ZIP code to place name, state and centroid; optionally verify it belongs to a state you expect.
-$0.02-listedcall recipe →
US Geography
Census geography at a US coordinate: state, county, tract, block, city or place, with GEOIDs for joining Census data.
-$0.02-listedcall recipe →
US Geography
Congressional and state legislative (upper and lower) districts covering a US address, with district codes and the state.
-$0.05-listedcall recipe →
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