Your request MUST sent be POST request not get request

This sample form will send a correct request, and you will get the right result for your image
https://ocr.captchaai.com/test_forms/in_base64.php

this sample form will use the file upload way if you want to test;
https://ocr.captchaai.com/test_forms/in_upload.php

However we have a new faster way to solve image captchas
https://ocr.captchaai.com/test_forms/solve.php
You will here get the result directly in 1 request (it is faster, also works for the 2 options upload or base64)

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