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api.geoprimitives.dev geojson validate
https://api.geoprimitives.dev/v1/geojson/validate
answers 402
Validate GeoJSON against RFC 7946 and get back a structured list of problems, not a bare boolean. Checks structure, coordinate range, ring closure, ring winding order, consecutive duplicate vertices, self-intersections, and hole nesting. Every issue carries the feature, geometry, ring and position index it sits on, so a 500-feature collection is actionable rather than merely condemned. Reach for i
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
- 0x76A51b5Dd3729950B3b60c17f19252d221968FCe
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 270 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:21.233Z (2h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.geoprimitives.dev%2Fv1%2Fgeojson%2Fvalidate"