Singularize noun API

Converts an English plural noun back to its singular form with irregular and spelling-rule handling (wolves->wolf, people->person). Answers 'what is the singular of this plural?', 'how do I reverse-inflect a noun?'.

Price$0.02per request

MethodPOST

Route/v1/text/singularize

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

textsingularizeinflectionsingulargrammarenglishnounsmorphology

API URLhttps://x402.hexl.dev/v1/text/singularize

Integration docs

Example request

{
  "word": "wolves"
}

Example response

{
  "singular": "wolf",
  "plural": "wolves",
  "isUncountable": false
}

Input schema

{
  "type": "object",
  "required": [
    "word"
  ],
  "properties": {
    "word": {
      "type": "string",
      "examples": [
        "wolves"
      ]
    }
  }
}

Output schema

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