Image to Text Demo

POST /createTask
{
  "clientKey": "capzy_sk_...",
  "task": {
    "type": "ImageToTextTask",
    "body": "<base64 encoded image>",
    "case": "letters"
  }
}

// case options: "letters", "numbers", "both"
// "letters" → only returns a-zA-Z
// "numbers" → only returns 0-9
// "both"    → returns all characters

// Response:
{
  "solution": {
    "text": "xKpBm"
  }
}