I own http://www.solverecaptcha.com
a new and easy to use Google recaptcha2 solving service provider.
I'd like to ask support for our service to GSA softwares. Our service works with an API.
API Endpoint: http://api.solverecaptcha.com
Parameters: user_id, key, sitekey, pageurl
API document is located at http://api.solverecaptcha.com/document.php
register and subscribe to a plan before you can view the API document.