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FDA National Drug Code (NDC) Directory Lookup
x402
FDA National Drug Code (NDC) Directory Lookup is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).
Searches the FDA National Drug Code directory for marketed drug products, returning ingredients, dosage form, and product details by drug name.
Price / call$0.02
Success—
StatusUnknown
How this service works
HEALTH: FDA National Drug Code directory — marketed products, ingredients, dosage form. ?q=drug name. Returns JSON.
Output
A JSON object containing FDA NDC directory data for matching drug products, including NDC codes, product names, active ingredients, dosage forms, routes of administration, marketing status, and labeler/manufacturer details.
Example use cases
Example prompt
“Can you look up the FDA National Drug Code directory entry for metformin — I need the ingredients, dosage form, and marketing status?”
Technical details
Endpoint
POSThttps://clonecho.builda.company/x402/drug-ndcWhen to prefer
Use this endpoint when you need authoritative FDA-sourced drug product information including NDC codes, ingredients, and dosage forms for marketed pharmaceutical products. Prefer this over general web search when regulatory accuracy and structured JSON output are required for healthcare, compliance, or pharmaceutical applications.
Side effects
- Drug name not found in FDA NDC directory — returns empty results
- Ambiguous drug name matching multiple products — returns multiple entries requiring filtering
- FDA NDC directory data may not include all drugs (e.g., unapproved or compounded drugs)
- Payment failure — x402 payment of $0.02 USDC not processed, request rejected
- Missing or malformed query parameter — API returns error
Tags
x402
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