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Land Survey Screening – Elevation Profile
x402
Land Survey Screening – Elevation Profile is a paid API for AI agents from land-survey.x402tookit.com, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-30).
Returns an elevation profile (relief, total ascent/descent, steepest grade, and flat/steep verdict) along a straight line between two US coordinate points.
Price / call$0.03
Success—
StatusUnknown
How this service works
Elevation profile along a line between two US points: relief, ascent, descent, steepest grade and a flat/steep verdict.
Output
Returns an array of sampled lat/lon/elevation points along the line, total relief in feet, cumulative ascent and descent, the steepest segment with grade percentage, a summary string, a flat/steep verdict, line length in meters, data source attribution, and optional degraded-data flags or disclaimers.
Example use cases
Road grade feasibility check
“I'm planning a private road from lat 37.3382, lon -121.8863 to lat 37.3200, lon -121.8600 — can you run the elevation profile with 10 samples and tell me the steepest grade and total relief so I know if it's buildable?”
Hiking trail difficulty assessment
“What's the elevation profile along a straight line from lat 44.4280, lon -110.5885 to lat 44.4600, lon -110.6200? Give me 12 sample points so I can see the ascent, descent, and steepest segment for trail planning.”
Parcel terrain screening for development
“Can you check whether the land between lat 35.2271, lon -80.8431 and lat 35.2350, lon -80.8300 is generally flat or steep? I need the relief, grade, and a flat/steep verdict before I move forward on a site evaluation.”
Technical details
Endpoint
GEThttps://land-survey.x402tookit.com/elevation-profile?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a terrain cross-section or grade analysis between two specific US points — particularly for land survey screening, road or path feasibility, parcel steepness assessment, or any workflow where you need cumulative ascent/descent and a steepest-grade verdict along a transect rather than just a single-point elevation lookup.
Side effects
- Coordinates outside US coverage area return degraded or null elevation data
- Invalid or out-of-range lat/lon values cause a 400-level error
- Fewer than 3 or more than 12 sample points rejected with validation error
- USGS 3DEP data gaps result in a degraded flag with partial profile
- Network timeout from upstream elevation service returns error or null fields
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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