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)
If You are getting this error, check how to solve it!
Written by Amanda Anderson
Updated over a week ago