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API reference

Endpoints, envelopes, and exact request shapes.

The production API is available at:

https://api.uncaptcha.io/v1

Endpoints

Method Path Purpose
POST /task/execute Execute any supported CAPTCHA or anti-bot task.
GET /balance/get Return the pay-as-you-go account balance.

Both endpoints accept authentication through X-Api-Key.

Response envelope

Successful responses contain success: true and a data object:

{
  "success": true,
  "data": {}
}

Errors contain success: false and a human-readable message:

{
  "success": false,
  "message": "X-Api-Key header is missing"
}

See Execute task for the challenge endpoint or Retrieve balance for the balance endpoint.

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