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api.macaroonnetwork.com execute polymathica-cfd-dataset-index-v1
https://api.macaroonnetwork.com/execute/polymathica-cfd-dataset-index-v1
answers 402
A domain-curated, license-verified metadata pointer index over computational fluid dynamics (CFD) datasets, papers, and code repositories harvested from DataCite, arXiv, CORE, OpenAlex, Zenodo, and GitHub. Every record returned has been confirmed redistribution_allowed at harvest time -- this is the falsifiable guarantee the listing sells, not raw data volume. Metadata pointers only -- no underlyi
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
- 137 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:13:39.249Z (23d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.macaroonnetwork.com%2Fexecute%2Fpolymathica-cfd-dataset-index-v1"