reCAPTCHA V2 also known as I’m not a robot reCAPTCHA is a very popular type of captcha that looks like this:

Solving reCAPTCHA V2 with our new method is pretty simple:

1. Look at the element’s code at the page where you found reCAPTCHA.
2. 
3. Find a link that begins with www.google.com/recaptcha/api2/anchor or find data-sitekey parameter.
4. Copy the value of k parameter of the link (or value of data-sitekey parameter).
5. 
6. Submit a HTTP GET or POST request to our API URL: https://api.bigcaptcha.com/in.php with method set to userrecaptcha and provide the value found on previous step as value for googlekey and full page URL as value for pageurl. Sending proxies is not obligatory ar the moment but it’s recommended.
   You can find the full list of parameters in the table below.

Request URL example:

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https://api.bigcaptcha.com/in.php?key=1abc234de56fab7c89012d34e56fa7b8&method=userrecaptcha&googlekey=6Le-wvkSVVABCPBMRTvw0Q4Muexq1bi0DJwx_mJ-&pageurl=http://mysite.com/page/with/recaptcha

• If everything is fine server will return the ID of your captcha as plain text, like: OK|2122988149 or as JSON {“status”:1,”request”:”2122988149″} if json parameter was used.
  Otherwise server will return an error code.
• Make a 15-20 seconds timeout then submit a HTTP GET request to our API URL: https://api.bigcaptcha.com/res.php to get the result.
  The full list of parameters is in the table below.If captcha is already solved server will respond in plain text or JSON and return the answer token that looks like:

  03AHJ_Vuve5Asa4koK3KSMyUkCq0vUFCR5Im4CwB7PzO3dCxIo11i53epEraq-uBO5mVm2XRikL8iKOWr0aG50sCuej9bXx5qcviUGSm4iK4NC_Q88flavWhaTXSh0VxoihBwBjXxwXuJZ-WGN5Sy4dtUl2wbpMqAj8Zwup1vyCaQJWFvRjYGWJ_TQBKTXNB5CCOgncqLetmJ6B6Cos7qoQyaB8ZzBOTGf5KSP6e-K9niYs772f53Oof6aJeSUDNjiKG9gN3FTrdwKwdnAwEYX-F37sI_vLB1Zs8NQo0PObHYy0b0sf7WSLkzzcIgW9GR0FwcCCm1P8lB-50GQHPEBJUHNnhJyDzwRoRAkVzrf7UkV8wKCdTwrrWqiYDgbrzURfHc2ESsp020MicJTasSiXmNRgryt-gf50q5BMkiRH7osm4DoUgsjc_XyQiEmQmxl5sqZP7aKsaE-EM00x59XsPzD3m3YI6SRCFRUevSyumBd7KmXE8VuzIO9lgnnbka4-eZynZa6vbB9cO3QjLH0xSG3-egcplD1uLGh79wC34RF49Ui3eHwua4S9XHpH6YBe7gXzz6_mv-o-fxrOuphwfrtwvvi2FGfpTexWvxhqWICMFTTjFBCEGEgj7_IFWEKirXW2RTZCVF0Gid7EtIsoEeZkPbrcUISGmgtiJkJ_KojuKwImF0G0CsTlxYTOU2sPsd5o1JDt65wGniQR2IZufnPbbK76Yh_KI2DY4cUxMfcb2fAXcFMc9dcpHg6f9wBXhUtFYTu6pi5LhhGuhpkiGcv6vWYNxMrpWJW_pV7q8mPilwkAP-zw5MJxkgijl2wDMpM-UUQ_k37FVtf-ndbQAIPG7S469doZMmb5IZYgvcB4ojqCW3Vz6Q
  

  If captcha is not solved yet server will return CAPCHA_NOT_READY result. Repeat your request in 5 seconds.

  If something went wrong server will return an error code.

• Locate the element with id g-recaptcha-response and make it visible deleting display:none parameter.
  

  Please note: sometimes content on the page is generated dynamically and you will not see this element in html source.
  In such cases you have to explore javascript code that generates the content. “Inspect” option in Google Chrome can help in that.

  As an alternative you can just use javascript to set the value of g-recaptcha-response field:

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  document.getElementById("g-recaptcha-response").innerHTML="TOKEN";
   An input field will appear on the page. And you just have to paste the answer token to that field and submit the form.

• 
• Congratulations, you’ve passed the recaptcha
•