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toolcall.click chem safety
https://toolcall.click/t/chem/safety
answers 402
Full safety profile for any chemical by CAS number or name: GHS hazard classification (signal word, pictograms, H-statements, P-codes), first-aid measures for inhalation/skin/eye/ingestion, fire-fighting guidance, UN transport number, PPE, and CAMEO reactivity profile. Sourced live from PubChem (NIH) authoritative annotations. JSON response. $0.03 USDC per call, pay via x402, no API key.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.03
- Network
- base
- Pay to
- 0x84FA7Ea8303d4f503267e2e998A3F7D980e814a5
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 310 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:11:15.211Z (33d ago)
- Category
- identity
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Ftoolcall.click%2Ft%2Fchem%2Fsafety"