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api.macaroonnetwork.com execute polymathica-scientific-dataset-search-v1
https://api.macaroonnetwork.com/execute/polymathica-scientific-dataset-search-v1
answers 402
Find source-linked scientific datasets by topic. Returns structured metadata pointers, declared licence fields, provenance and freshness without redistributing dataset files.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0x33cc8de6e86761d217044a8a6b394ad23b579596
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 143 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:33.229Z (2h ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.macaroonnetwork.com%2Fexecute%2Fpolymathica-scientific-dataset-search-v1"