Habitable-zone screen for a named exoplanet
Habitable-zone screen for a named exoplanet: orbit versus the zone edges, size class and rocky-planet plausibility.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
389 msmedian answer time
$0.02listed price per call
$0.02price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://exoplanets-nasa.x402tookit.com/planet-habitability
| Category | Everything else |
|---|---|
| Provider host | exoplanets-nasa.x402tookit.com |
| Networks | eip155:137, eip155:42161, eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-21 | valid payment request | 402 | $0.02 | 389 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"name": "Kepler-442 b"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"name": {
"description": "Planet name, for example TRAPPIST-1 e or Kepler-442 b",
"type": "string"
}
},
"required": [
"name"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"conservativeZoneAu": {
"items": {
"type": "number"
},
"type": [
"array",
"null"
]
},
"controversial": {
"type": [
"boolean",
"null"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"earthRatios": {
"properties": {
"density": {
"type": [
"null",
"number"
]
},
"densityGcc": {
"type": [
"null",
"number"
]
},
"escapeVelocityKmS": {
"type": [
"null",
"number"
]
},
"escapeVelocityRatio": {
"type": [
"null",
"number"
]
},
"mass": {
"type": [
"null",
"number"
]
},
"radius": {
"type": [
"null",
"number"
]
},
"surfaceGravity": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"equilibriumTempK": {
"properties": {
"archiveValue": {
"type": [
"null",
"number"
]
},
"earthLikeAlbedo0p3": {
"type": [
"null",
"number"
]
},
"zeroAlbedo": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"host": {
"type": [
"null",
"string"
]
},
"hzMethod": {
"type": [
"null",
"string"
]
},
"insolationEarth": {
"type": [
"null",
"number"
]
},
"luminositySolar": {
"type": [
"null",
"number"
]
},
"luminositySource": {
"type": [
"null",
"string"
]
},
"massEarth": {
"type": [
"null",
"number"
]
},
"massIsMinimum": {
"type": [
"boolean",
"null"
]
},
"name": {
"type": [
"null",
"string"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"optimisticZoneAu": {
"items": {
"type": "number"
},
"type": [
"array",
"null"
]
},
"orbitAu": {
"type": [
"null",
"number"
]
},
"orbitSource": {
"type": [
"null",
"string"
]
},
"position": {
"type": [
"null",
"string"
]
},
"radiusEarth": {
"type": [
"null",
"number"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"sizeClass": {
"type": [
"null",
"string"
]
},
"source": {
"type": [
"null",
"string"
]
},