the402 endpoint detail

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api.geoprimitives.dev geometry buffer

https://api.geoprimitives.dev/v1/geometry/buffer

needs params

Buffer a geometry by a distance in metres and get the offset polygon back. Use it for service areas, setbacks, and proximity envelopes you will later test with POST /v1/pip. Accepts any geometry -- point, line, polygon, or a collection of them, each buffered about its own centre latitude -- and answers with a Feature, or a FeatureCollection when you sent several. A buffer that collapses (a negativ

Bazaar lists this endpoint, but when we called it we got HTTP 400 instead of a payment challenge.
Price
10000 atomic
Network
not established
Pay to
-
Spec dialect
-
Transport
-
HTTP method
POST
Response latency
538 ms
Payment options
0 usable of 0
Last checked
2026-09-06T01:13:20.963Z (37d ago)
Category
other

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.geoprimitives.dev%2Fv1%2Fgeometry%2Fbuffer"