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x402.forgemesh.io grams-to-moles
https://x402.forgemesh.io/grams-to-moles
payable
Mole conversion API: convert grams↔moles↔molecules for any chemical formula, using its computed molar mass and Avogadro's number. The stoichiometry step chemistry agents need.
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
- 0x850363a27F0aC6fEb9C7a3eC4C1d295262dF9432
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 52 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:17:28.453Z (3d ago)
- Category
- other
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.forgemesh.io%2Fgrams-to-moles"