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med.halowerk.com v1 chemical-hazard
https://med.halowerk.com/v1/chemical-hazard
answers 402
Returns the hazard profile of a chemical: GHS pictograms, signal word, hazard statements and precautionary statements where they are recorded, together with the physical properties that govern handling — melting and boiling point, flash point, density, vapour pressure, solubility and autoignition temperature. Every statement carries the organisation that contributed it, and that attribution is the
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.006
- Network
- base
- Pay to
- 0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 552 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:39:05.386Z (6h ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fmed.halowerk.com%2Fv1%2Fchemical-hazard"