← RxNorm Drug Names
health by fourzerotwo
NDCs for an RxCUI
Active National Drug Codes for an RxNorm clinical or branded drug.
NDCs for an RxCUI Free
Active National Drug Codes for an RxNorm clinical or branded drug.
- cost
- Free then $0.001 / call
- MCP tool
- rxnorm__ndcs
- method
- GET
Free up to 100 calls a day over MCP (500 with a free key), then $0.001 per call by card credit or USDC. Free key · Pay by card
GET https://fourzerotwo.si/v1/rxnorm/ndcs
| Param | Type | Description |
|---|---|---|
| rxcui | string | RxCUI of a clinical/branded drug |
# free: send a free key from https://fourzerotwo.si/free curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/rxnorm/ndcs?rxcui=617314" # no key: returns 402 with the price, for x402 agents curl -i "https://fourzerotwo.si/v1/rxnorm/ndcs?rxcui=617314"
by fourzerotwo
Report this endpoint
Use it from an AI agent (MCP)
Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.
{
"mcpServers": {
"fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
}
}
# the call the agent makes
call_api {"tool": "rxnorm__ndcs", "arguments": {"rxcui":"617314"}}
More from RxNorm Drug Names
- Drug name to RxCUI — Exact (normalised) match of a drug name to its RxNorm concept id(s).
- Approximate drug match — Ranked RxNorm candidates for a misspelled or partial drug name.
- Spelling suggestions — Correctly spelled RxNorm drug names close to the input.
- Clinical & branded drugs — Every clinical drug, branded drug and pack for an ingredient or brand name, grouped by RxNorm term type.
- Related concepts — Ingredients, brand names, dose forms and clinical/branded drugs related to an RxCUI.
- Concept properties — Name, synonym, term type and active/obsolete status of an RxCUI.
- NDC to RxCUI — National Drug Code (10 or 11 digits) to its RxNorm concept and status.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product. Not medical advice.