Drug name spelling suggestions (RxNorm) API

Returns RxNorm spelling suggestions for a (possibly misspelled) drug name — drug-name autocorrect / did-you-mean with an isExact flag. Answers 'Did I spell this drug right?', 'Correct atorvastatn'.

Price$0.01per request

MethodPOST

Route/v1/health/clinical-rxnorm-spell

StatusLive

MIME typeapplication/json

Rate limit60/minute

Cache604800s public

healthclinicalrxnormspellingautocorrectdrugdid-you-meannlm

API URLhttps://x402.hexl.dev/v1/health/clinical-rxnorm-spell

Integration docs

Example request

{
  "name": "atorvastatn"
}

Example response

{
  "query": "atorvastatn",
  "returned": 1,
  "suggestions": [
    "atorvastatin"
  ],
  "corrected": "atorvastatin",
  "isExact": false,
  "disclaimer": "Informational reference/terminology data only — NOT medical advice. Verify against authoritative sources and a qualified professional before any clinical, billing, or treatment decision."
}

Input schema

{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string"
    },
    "max": {
      "type": "integer",
      "minimum": 1,
      "maximum": 20,
      "default": 10
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}