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Saylor Innovations Exoplanet Lookup (NASA Exoplanet Archive)
x402
Saylor Innovations Exoplanet Lookup (NASA Exoplanet Archive) is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-01).
Looks up detailed exoplanet data by planet or host star name from the NASA Exoplanet Archive, returning discovery metadata, orbital parameters, physical properties, and stellar characteristics.
Price / call$0.002
Success—
StatusUnknown
How this service works
Exoplanet Lookup (NASA Exoplanet Archive). Exoplanet lookup (NASA Exoplanet Archive) by planet or host star (TRAPPIST-1, Kepler-186 f, 51 Peg b): discovery year, method and facility, orbital period, radius and mass in Earths, equilibrium temperature, insolation, host star type and temperature, and distance in light years. Public domain.
Output
Returns a JSON object with a 'found' boolean, a count of matching planets, and an array of planet objects. Each planet object includes discovery year, discovery method, discovery facility, orbital period, radius and mass in Earth units, equilibrium temperature, insolation flux, host star spectral type and effective temperature, and distance to the system in light years.
Example use cases
Exoplanet research summary for a student
“Can you pull up everything the NASA Exoplanet Archive has on Kepler-186 f — its discovery year and method, orbital period, size compared to Earth, equilibrium temperature, and what type of star it orbits?”
Comparing potentially habitable exoplanets
“I want to compare TRAPPIST-1 e and Kepler-452 b — can you get the insolation flux, equilibrium temperature, and planet radius in Earth units for both of those from the exoplanet database?”
Fact-checking exoplanet claims in an article
“An article says 51 Peg b was discovered in 1995 by radial velocity — can you verify that against the NASA Exoplanet Archive and also tell me its orbital period and distance from us in light years?”
Technical details
Endpoint
GEThttps://saylorinnovations.com/api/exoplanets/lookup?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need structured, authoritative NASA Exoplanet Archive data about a specific known exoplanet or host star system — including orbital mechanics, physical dimensions, thermal properties, and stellar context. Prefer it over general web search when you need machine-readable, consistently formatted fields rather than prose descriptions. Best for applications needing discovery provenance (year, method, facility) alongside physical parameters in a single call.
Side effects
- Planet or star name not found in the NASA Exoplanet Archive returns found:false with count:0 and empty planets array
- Misspelled or ambiguous planet names may return no results or unexpected matches
- Names with special characters or spaces may need exact formatting (e.g. 'Kepler-186 f' not 'Kepler186f')
- Newly discovered exoplanets not yet ingested into the archive will return no results
- HTTP 402 Payment Required if x402 payment header is missing or incorrect
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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