We may encounter the following types of errors

ERROR_KEY_DOES_NOT_EXIST Invalid or non-existent API key. Check the key format for correctness.

ERROR_ZERO_BALANCE Your account balance is insufficient to pay for solving the task.

ERROR_TASK_ABSENT Data error for creating the task.

ERROR_TASK_NOT_SUPPORTED The task type in the type parameter is not specified or is not supported.

ERROR_IMAGE_TYPE_NOT_SUPPORTED The image is not supported.

ERROR_UPLOAD The image converted from base64 cannot be processed due to an incorrect format, invalid size, or corruption. Please check the image being sent.

ERROR_ZERO_CAPTCHA_FILESIZE Image size is less than 100 bytes.

ERROR_TOO_BIG_CAPTCHA_FILESIZE Image size is greater than 200 KB.

ERROR_INVALID_TASK_ID Invalid task identifier.

ERROR_NO_SUCH_TASK_ID Captcha with the specified identifier was not found.

CAPCHA_NOT_AVAILABLE The captcha could not be solved.

CAPCHA_NOT_READY The captcha is being processed. Wait 5 seconds and repeat the request.

ERROR_NO_SLOT_AVAILABLE No free slots available for solving. Wait 10-15 seconds and repeat the request.

In case of errors, you will be returned the corresponding error code, which will help you identify and resolve the problem when working with the API. Pay attention to the error descriptions for a correct understanding of possible causes and the actions required.