Elevation profile along a line between two US points
Elevation profile along a line between two US points: relief, ascent, descent, steepest grade and a flat/steep verdict.
Answeringour last check, 2026-10-21
1 of 1checks answered this week
542 msmedian answer time
$0.03listed price per call
$0.03price 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://land-survey.x402tookit.com/elevation-profile
| Category | Everything else |
|---|---|
| Provider host | land-survey.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 | $0.03 | 542 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"lat1": 39.7392,
"lat2": 39.7392,
"lon1": -104.9903,
"lon2": -105.2,
"points": 6
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"lat1": {
"description": "Start latitude",
"type": "number"
},
"lat2": {
"description": "End latitude",
"type": "number"
},
"lon1": {
"description": "Start longitude",
"type": "number"
},
"lon2": {
"description": "End longitude",
"type": "number"
},
"points": {
"description": "Samples along the line, 3 to 12, default 8",
"type": "integer"
}
},
"required": [
"lat1",
"lon1",
"lat2",
"lon2"
],
"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"
]
},
"lengthMeters": {
"type": [
"null",
"number"
]
},
"notChecked": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"profile": {
"items": {
"properties": {
"elevationFeet": {
"type": [
"null",
"number"
]
},
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
}
},
"type": "object"
},
"type": [
"array",
"null"
]
},
"reasons": {
"items": {
"type": "string"
},
"type": [
"array",
"null"
]
},
"reliefFeet": {
"type": [
"null",
"number"
]
},
"samples": {
"type": [
"null",
"number"
]
},
"source": {
"type": [
"null",
"string"
]
},
"sourceUrl": {
"type": [
"null",
"string"
]
},
"steepestSegment": {
"properties": {
"from": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"gradePct": {
"type": [
"null",
"number"
]
},
"to": {
"properties": {
"lat": {
"type": [
"null",
"number"
]
},
"lon": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
}
},
"type": [
"null",
"object"
]
},
"summary": {
"type": [
"null",
"string"
]
},
"thresholds": {
"properties": {
"gentleOverPct": {
"type": [
"null",
"number"
]
},
"moderateOverPct": {
"type": [
"null",
"number"
]
},
"steepOverPct": {
"type": [
"null",
"number"
]
},
"veryOverPct": {
"type": [
"null",
"number"
]
}
},
"type": [
"null",
"object"
]
},
"totalAscentFeet": {
"type": [