Sentence case API

Lowercases the text then capitalizes the first letter of each sentence (after . ! ?). Answers 'how do I convert SHOUTING text to normal sentence case?', 'how do I capitalize only sentence starts?'.

Price$0.01per request

MethodPOST

Route/v1/text/sentence-case

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

textsentence-casecapitalizecasenormalizeformattinglowercasegrammar

API URLhttps://x402.hexl.dev/v1/text/sentence-case

Integration docs

Example request

{
  "text": "hello world. how are you? fine."
}

Example response

{
  "sentenceCased": "Hello world. How are you? Fine."
}

Input schema

{
  "type": "object",
  "required": [
    "text"
  ],
  "properties": {
    "text": {
      "type": "string",
      "examples": [
        "hello world. how are you? fine."
      ]
    }
  }
}

Output schema

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