Closest known exoplanets to the Sun in light-years, optional size filter, with s
Closest known exoplanets to the Sun in light-years, optional size filter, with star type, orbit and habitable-zone position.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
1013 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/nearest-planets
| 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 | $0.02 | 1013 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"limit": 10,
"maxDistancePc": 8,
"maxRadiusEarth": 1.6
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"description": "Planets returned, 1 to 50 (default 15)",
"type": "integer"
},
"maxDistancePc": {
"description": "Search out to this many parsecs, 1 to 25 (default 10; 1 pc = 3.26 light-years)",
"type": "number"
},
"maxRadiusEarth": {
"description": "Only planets at most this many Earth radii, 0.1 to 30 (use 1.6 for likely rocky)",
"type": "number"
},
"minRadiusEarth": {
"description": "Only planets at least this many Earth radii, 0.1 to 30",
"type": "number"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"asOf": {
"type": [
"null",
"string"
]
},
"degraded": {
"type": [
"boolean",
"null"
]
},
"disclaimer": {
"type": [
"null",
"string"
]
},
"maxDistancePc": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"planets": {
"items": {
"properties": {
"discoveryMethod": {
"type": [
"null",
"string"
]
},
"discoveryYear": {
"type": [
"null",
"number"
]
},
"distanceLightYears": {
"type": [
"null",
"number"
]
},
"distanceParsecs": {
"type": [
"null",
"number"
]
},
"equilibriumTempK": {
"type": [
"null",
"number"
]
},
"habitableZonePosition": {
"type": [
"null",
"string"
]
},
"host": {
"type": [
"null",
"string"
]
},
"insolationEarth": {
"type": [
"null",
"number"
]
},
"massEarth": {
"type": [
"null",
"number"
]
},
"massIsMinimum": {
"type": [
"boolean",
"null"
]
},
"name": {
"type": [
"null",
"string"
]
},
"orbitalPeriodDays": {
"type": [
"null",
"number"
]
},
"radiusEarth": {
"type": [
"null",
"number"
]
},
"semiMajorAxisAu": {
"type": [
"null",
"number"
]
},
"sizeClass": {
"type": [
"null",
"string"
]
},
"starSpectralType": {
"type": [
"null",
"string"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"returned": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"totalMatches": {
"type": [
"null",
"number"
]
},
"verdict": {
"type": [
"null",