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api.geoprimitives.dev v1 elevation
https://api.geoprimitives.dev/v1/elevation
answers 402
Give it a latitude and longitude and it answers with the ground elevation there in metres above NAVD88, read from the USGS 3D Elevation Program seamless DEM. Parameters go in the query string: this is a GET, there is no body. COVERAGE, stated up front because it is the first thing to check: the state of Alaska, whole, and nothing else yet. The coverage gate reads the coordinate, so it runs in the
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0x76A51b5Dd3729950B3b60c17f19252d221968FCe
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 573 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:20.094Z (2h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.geoprimitives.dev%2Fv1%2Felevation"