# Services from land-survey.x402tookit.com on Zero

> land-survey.x402tookit.com serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/land-survey.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/land-survey.x402tookit.com/health.json

## Services

- [Sun Times by Coordinates](https://www.zero.xyz/c/sun-times-by-coordinates-5b062bc8/llms.txt): $0.02/call via x402. Returns sunrise, sunset, civil twilight times, solar noon, and day length for a given latitude/longitude and date, in both UTC and a specified local UTC offset.
- [Land Survey Screening – Elevation Profile](https://www.zero.xyz/c/land-survey-screening-elevation-profile-267b76e3/llms.txt): $0.03/call via x402. Returns an elevation profile (relief, total ascent/descent, steepest grade, and flat/steep verdict) along a straight line between two US coordinate points.
- [FEMA Flood Zone Lookup by Coordinate](https://www.zero.xyz/c/fema-flood-zone-lookup-by-coordinate-a685a120/llms.txt): $0.02/call via x402. Returns the FEMA flood hazard zone classification (high-risk A/AE/V, moderate, or minimal) and base flood elevation for a given US latitude/longitude.
- [Land Survey Polygon Area & Perimeter Calculator](https://www.zero.xyz/c/land-survey-polygon-area-perimeter-calculator-e4b7b233/llms.txt): $0.02/call via x402. Computes the area (in acres, hectares, and square meters) and perimeter (in feet and meters) of a polygon defined by latitude/longitude vertices.
- [Land Survey Screening – Great-Circle Distance and Bearing](https://www.zero.xyz/c/land-survey-screening-great-circle-distance-and-bearing-de90a454/llms.txt): $0.02/call via x402. Computes the great-circle distance (in miles, kilometers, feet, and nautical miles) and initial compass bearing between two lat/lon coordinate pairs.
- [Land Survey Site Screen (US Coordinate)](https://www.zero.xyz/c/land-survey-site-screen-us-coordinate-3beeeddb/llms.txt): $0.05/call via x402. Returns a combined first-look site screening for a US lat/lon: ground elevation, FEMA flood zone classification, and mapped wetland presence, with plain-language verdict flags.
- [Land Survey Screening – Wetlands Check](https://www.zero.xyz/c/land-survey-screening-wetlands-check-85cad469/llms.txt): $0.02/call via x402. Checks whether a US latitude/longitude point falls within a mapped wetland using the National Wetlands Inventory, returning wetland type, size in acres, and a permitting heads-up.
- [Land Survey Screening – Ground Elevation Lookup](https://www.zero.xyz/c/land-survey-screening-ground-elevation-lookup-508a7327/llms.txt): $0.02/call via x402. Returns ground elevation in feet and meters at a US latitude/longitude coordinate using USGS 3DEP data, with a data-coverage check.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)