Look up a chemical compound by CID, common/IUPAC name, SMILES, or InChIKey.
Look up a chemical compound by CID, common/IUPAC name, SMILES, or InChIKey. Returns CID, preferred name, IUPAC name, molecular formula, molecular weight, exact mass, SMILES, connectivity SMILES, InChI, InChIKey, XLogP, formal charge, the 10 most-common synonyms, a PubChem permalink, and source attribution. Data is sourced from NIH PubChem (public domain). Provide exactly one of cid, name, smiles, or inchikey.
| Method | Endpoint | Price | Description |
|---|---|---|---|
GET | /v1/marketplace/api/chem-compound | $0.00115 | Invoke Chem Compound (Dns) and return the upstream response. |
Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.
# 1. Ask for a quote
curl -i https://api.jarvisclaw.ai/v1/marketplace/api/chem-compound
# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://api.jarvisclaw.ai/v1/marketplace/api/chem-compound
Open in the marketplace
Docs: Getting started · x402 payments · x402 discovery · All APIs