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RxNorm Drug Name to RxCUI Resolver
x402
RxNorm Drug Name to RxCUI Resolver is a paid API for AI agents from rxnorm-name-to-rxcui.hergertsynthora.com, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Resolves a free-text clinical drug name string to its authoritative RxNorm Concept Unique Identifier (RxCUI) via the NLM RxNav API
Price / call$0.001
Success—
StatusUnknown
How this service works
Resolves a clinical drug name to its normalized RxNorm concept unique identifier (RxCUI) via NLM rxnav.nlm.nih.gov/REST/rxcui. Autonomous agents and agent-to-agent (A2A) medication-reconciliation, EHR-mapping and interoperability pipelines use it as the canonical entry point to normalize free-text drug mentions into coded concepts. Ranking surface: drug name string to authoritative RxCUI. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.
Output
Returns a JSON object with an 'ok' boolean, the niche identifier, and a result object containing the input drug name, a 'found' boolean indicating whether the drug was matched, and the resolved RxCUI string. Also includes provenance metadata showing the upstream NLM RxNav URL used.
Example use cases
Medication reconciliation in EHR pipeline
“I have a free-text drug mention 'metformin' coming in from a clinical note — can you resolve it to its RxCUI so I can normalize it into our medication reconciliation workflow?”
Drug interoperability code lookup
“Our agent-to-agent pipeline needs to convert 'lisinopril' to a standardized RxNorm concept identifier before writing to the FHIR resource — what is the RxCUI?”
Pharmacy formulary normalization
“I'm building a formulary tool and need to normalize drug names from prescription records — can you look up the RxCUI for 'atorvastatin' using the RxNorm resolver?”
Technical details
Endpoint
POSThttps://rxnorm-name-to-rxcui.hergertsynthora.com/serviceWhen to prefer
Use this endpoint when you need to normalize a free-text drug name to a canonical RxNorm RxCUI for EHR integration, FHIR resource mapping, medication reconciliation, or any clinical interoperability pipeline. It is the right choice when the input is a human-readable drug name string (generic or brand) and the output must be a standardized coded concept from the authoritative NLM RxNorm vocabulary.
Side effects
- Drug name not recognized by RxNorm — returns found: false with no RxCUI
- Misspelled or ambiguous drug name yields no match
- Network timeout reaching upstream rxnav.nlm.nih.gov
- Non-drug strings (e.g. supplement brand names) may not resolve
- Payment failure due to insufficient USDC balance returns 402 error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| name | string | name |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"niche": "rxnorm-name-to-rxcui",
"result": {
"name": "azithromycin",
"found": true,
"rxcui": "18631"
},
"provenance": {
"url": "https://rxnav.nlm.nih.gov/REST/rxcui.json",
"source": "RxNorm Drug Name to RxCUI Resolver"
}
}
}Tags
x402
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