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karte.halowerk.com v1 elevation-profile
https://karte.halowerk.com/v1/elevation-profile
answers 402
Takes a list of coordinates and returns the elevation at each, the distance and gradient between consecutive points, total ascent and descent, the steepest ramp with the segment it belongs to, and the mean gradient over the whole line. An optional resample interval inserts intermediate points along the great circle between the given ones, which is what makes a steepest-ramp figure meaningful on a
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.005
- Network
- base
- Pay to
- 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 140 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:23:46.228Z (28d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fkarte.halowerk.com%2Fv1%2Felevation-profile"