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research.halowerk.com v1 dataset-discovery
https://research.halowerk.com/v1/dataset-discovery
answers 402
Searches the official EU open data portal and returns datasets with what decides whether they are usable: the licence, classified by whether commercial reuse is allowed and what attribution or share-alike it demands. A dataset under a non-commercial licence is marked as unusable for a paid product rather than listed as if equivalent. Each result also carries its publisher, country, last modificati
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
- 534 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:23:47.249Z (28d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fresearch.halowerk.com%2Fv1%2Fdataset-discovery"