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natur.halowerk.com v1 seasonal-species
https://natur.halowerk.com/v1/seasonal-species
answers 402
Builds a monthly profile of when a species is recorded near a point, from historical occurrence data, and corrects it for observation effort. The correction is the substance of the service: raw monthly counts follow the observers, who are outdoors more in May than in November, so an uncorrected profile makes almost every species look like a spring species.
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
- 134 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:23:43.065Z (28d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fnatur.halowerk.com%2Fv1%2Fseasonal-species"