Swap case API

Inverts the case of every letter (upper to lower and vice versa). Answers 'how do I flip the case of this string?', 'how do I invert uppercase and lowercase?'.

Price$0.01per request

MethodPOST

Route/v1/text/swap-case

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

textswap-casecaseinverttoggleformattinguppercaselowercase

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

Integration docs

Example request

{
  "text": "Hello World"
}

Example response

{
  "swapped": "hELLO wORLD"
}

Input schema

{
  "type": "object",
  "required": [
    "text"
  ],
  "properties": {
    "text": {
      "type": "string",
      "examples": [
        "Hello World"
      ]
    }
  }
}

Output schema

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