post https://api.sctg.xyz/in.php
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Example of a captcha #1:

You can use |MTRSMB near the apikey to use an alternative method of solution
For example:
APIKEY - "GVEZrWVyVL3zXSDcHRSsMCwEVcnv5J4p"
In the software you need to write:
GVEZrWVyVL3zXSDcHRSsMCwEVcnv5J4p|MTRSMB