To send correctness for decoded captchas

<!-- Action target -->
<form action="http://bypasscaptcha.com/check_value.php" method="post">

<!-- Key owned by user -->
<input type="text" name="key">

<!-- TaskId got from submitting -->
<input type="text" name="task_id">

<!-- Correctness, 1 if input is correct, 0 otherwise -->
<input type="text" name="cv">

<input type="submit" value="Submit">
</form>

Return format of this API

OK