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prop.halowerk.com v1 materials-lca
https://prop.halowerk.com/v1/materials-lca
answers 402
Multiplies installed quantities by supplied waste-adjusted production factors and adds tonne-kilometre transport factors. It reports a transparent partial embodied-carbon inventory only; it does not supply verified EPD data, include use/end-of-life stages unless represented by inputs, compare functional equivalence or constitute a certified life-cycle assessment.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.003
- Network
- base
- Pay to
- 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 517 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:23:20.381Z (22d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fprop.halowerk.com%2Fv1%2Fmaterials-lca"