Google recaptcha V2 supported content types
问题 When querying the state of the "I'm not a robot" user challenge, you have to make a POST request to https://www.google.com/recaptcha/api/siteverify passing your secret key and the response token to know the result of the challenge. But it is undocumented which Content-Type s (MIME types) are supported. I guess every common MIME type is supported (application/x-www-form-urlenconded, application/json, application/xml), but, just for curiosity, Which are the Content-Type s supported by