BestCaptchaSolver API wrapper C#

bestcaptchasolverapi is a super easy to use bypass captcha API wrapper for bestcaptchasolver.com captcha service

Installation

git clone https://github.com/bestcaptchasolver/bestcaptchasolver-csharp

How to use?

Simply import the library, set the auth details and start using the captcha service:

using bestcaptchasolver;

Set access_token or username and password (legacy) for authentication

string access_token = "your_access_key";
var bcs = new BestCaptchaSolverAPI(access_token);

Once you've set your authentication details, you can start using the API

Get balance

string balance = bcs.account_balance();
Console.WriteLine(string.Format("Balance: {0}", balance));

Submit image captcha

var d = new Dictionary<string, string>();
d.Add("image", "captcha.jpg");	   // file on disk, or b64 encoded string
// d.Add("is_case", "true");       // case sensitive, default: false, optional
// d.Add("is_phrase", "true");     // contains at least one space, default: false, optional
// d.Add("is_math", "true");       // math calculation captcha, default: false, optional
// d.Add("alphanumeric", "2");     // 1 (digits only) or 2 (letters only), default: all characters
// d.Add("minlength", "3");        // minimum length of captcha text, default: any
// d.Add("maxlength", "4");        // maximum length of captcha text, default: any
// d.Add("affiliate_id", "get it from /account");      // affiliate ID
var id = bcs.submit_image_captcha(d);			// use ID to retrieve `text`

Submit recaptcha details

For recaptcha submission there are two things that are required.

page_url
site_key
type (optional, defaults to 1 if not given)
- 1 - v2
- 2 - invisible
- 3 - v3
- 4 - enterprise v2
- 5 - enterprise v3
v3_action (optional)
v3_min_score (optional)
domain (optional)
data_s (optional)
cookie_input (optional)
user_agent (optional)
affiliate_id (optional)
proxy (optional)

For more details about the parameters check /api page

var rd = new Dictionary<string, string>();
rd.Add("page_url", page_url);
rd.Add("site_key", site_key);
// rd.Add("type", "1");        // 1 - regular, 2 - invisible, 3 - v3, default: 1
// rd.Add("v3_action", "home");    // action used when solving v3 reCaptcha
// rd.Add("v3_min_score", "0.3");  // min score to target when solving v3
// rd.Add("domain", "www.google.com");  // used in loading reCAPTCHA interface, optional
// rd.Add("data_s", "recaptcha data-s parameter used in loading reCAPTCHA");
// rd.put("user_agent", "your user agent");        // UA used in solving captcha
// rd.Add("proxy", "user:[email protected]");     // proxy with/out authentication
// rd.Add("affiliate_id", "get it from /account");
var id = bcs.submit_recaptcha(rd);		// use ID to retrieve `gresponse`

Same as before, this returns an ID which is used to regulary check for completion

Submit Geetest

domain
gt
challenge
api_server (optional)
user_agent (optional)
proxy (optional)

var rd = new Dictionary<string, string>();
rd.Add("domain", "DOMAIN_HERE");
rd.Add("gt", "GT_HERE");
rd.Add("challenge", "CHALLENGE_HERE");
// rd.Add("api_server", "GT_DOMAIN_HERE");           // optional
// rd.put("user_agent", "your user agent");          // UA used in solving captcha, optional
// rd.Add("proxy", "user:[email protected]:301");   // proxy with/out authentication, optional
// rd.Add("affiliate_id", "get it from /account");   // optional

string id = bcs.submit_geetest(rd);		// use ID to get solution

Submit GeetestV4

domain
captchaid
user_agent (optional)
proxy (optional)

Important: This is not the captchaid that's in our system that you receive while submitting a captcha. Gather this from HTML source of page with geetestv4 captcha, inside the <script> tag you'll find a link that looks like this: https://i.imgur.com/XcZd47y.png

var rd = new Dictionary<string, string>();
rd.Add("domain", "https://example.com");
rd.Add("captchaid", "647f5ed2ed8acb4be36784e01556bb71");
// rd.put("user_agent", "your user agent");          // UA used in solving captcha, optional
// rd.Add("proxy", "user:[email protected]:301");   // proxy with/out authentication, optional
// rd.Add("affiliate_id", "get it from /account");   // optional

string id = bcs.submit_geetest_v4(rd);		// use ID to get solution

Submit Capy

page_url
site_key
user_agent (optional)
proxy (optional)

var rd = new Dictionary<string, string>();
rd.Add("page_url", "PAGE_URL_HERE");
rd.Add("site_key", "SITE_KEY_HERE");
// rd.put("user_agent", "your user agent");          // UA used in solving captcha, optional
// rd.Add("proxy", "user:[email protected]:301");   // proxy with/out authentication, optional
// rd.Add("affiliate_id", "get it from /account");   // optional

string id = bcs.submit_capy(rd);		// use ID to get solution

Submit hCaptcha

page_url
site_key
invisible (optional)
payload (optional)
domain (optional)
user_agent (optional)
proxy (optional)

var rd = new Dictionary<string, string>();
rd.Add("page_url", "PAGE_URL_HERE");
rd.Add("site_key", "SITE_KEY_HERE");
// rd.Add("invisible", "1");
// rd.Add("payload", "{\"rqdata\": \"from web requests\"}");
// rd.Add("domain", "hcaptcha.com");  // used in loading hcaptcha interface, optional
// rd.Add("user_agent", "your user agent");
// rd.Add("proxy", "12.34.56.78:1234");
// rd.Add("affiliate_id", "get it from /account");

string id = bcs.submit_hcaptcha(rd);		// use ID to get solution

Submit FunCaptcha (Arkose Labs)

page_url
s_url
site_key
data (optional)
user_agent (optional)
proxy (optional)

var rd = new Dictionary<string, string>();
rd.Add("page_url", "https://abc.com");
rd.Add("s_url", "https://api.arkoselabs.com");
rd.Add("site_key", "11111111-1111-1111-1111-111111111111");
// rd.Add("data", "{\"x\":\"y\"}");      // optional
// rd.put("user_agent", "your user agent");          // UA used in solving captcha, optional
// rd.Add("proxy", "user:[email protected]:301");   // proxy with/out authentication, optional
// rd.Add("affiliate_id", "get it from /account");   // optional

string id = bcs.submit_funcaptcha(rd);

Submit Turnstile (Cloudflare)

page_url
site_key
action (optional)
cdata (optional)
domain (optional)
user_agent (optional)
proxy (optional)

var rd = new Dictionary<string, string>();
rd.Add("page_url", "PAGE_URL_HERE");
rd.Add("site_key", "SITE_KEY_HERE");
// rd.Add("action", "taken from page source, optional");
// rd.Add("cdata", "taken from page source, optional");
// rd.Add("domain", "challenges.cloudflare.com");    // used in loading hcaptcha interface, optional
// rd.Add("user_agent", "your UA");                  // optional
// rd.Add("proxy", "12.34.56.78:1234");              // optional
// rd.Add("affiliate_id", "your_affiliate_id");      // get it from /account

string id = bcs.submit_turnstile(rd);

Submit Task

template_name
page_url
variables
user_agent (optional)
proxy (optional)

var rd = new Dictionary<string, string>();
rd.Add("template_name", "Login test page");
rd.Add("page_url", "https://bestcaptchasolver.com/automation/login");
rd.Add("variables", "{\"username\": \"from C#\", \"password\": \"1234\"}");
// rd.Add("user_agent", "your user agent");
// rd.Add("proxy", "12.34.56.78:1234");
// rd.Add("affiliate_id", "your_affiliate_id");      // optional, get it from /account

string id = bcs.submit_task(rd);

Task pushVariables

Update task variables while it is being solved by the worker. Useful when dealing with data / variables, of which value you don't know, only after a certain step or action of the task. For example, in websites that require 2 factor authentication code.

When the task (while running on workers machine) is getting to an action defined in the template, that requires a variable, but variable was not set with the task submission, it will wait until the variable is updated through push.

The bcs.task_push_variables(captcha_id, push_variables) method can be used as many times as it is needed.

bcs.task_push_variables(id, "{\"tfa_code\": \"4612\"}");

Retrieve (all captchas)

Use the retrieve method to retrieve text (image captcha), gresponse (reCAPTCHA) or solution (GeeTest and Capy)

id = bcs.submit_recaptcha(page_url, site_key);
string gresponse = "";
while (gresponse == "")
{
     gresponse = bcs.retrieve(id)["gresponse"];		// can be also `text` or `solution`
     Thread.Sleep(5000);
}

If reCAPTCHA is submitted with proxy, get proxy status

var proxy_status = bcs.retrieve(id)["proxy_status"];

Set captcha bad

In case a captcha was wrongly completed, you can use the set_captcha_bad(captchaID) method like this

bcs.set_captcha_bad("45");

Examples

Compile and run the example project in solution

Binary

If you don't want to compile your own library, you can check the binary folder for a compiled version. Keep in mind that this might not be the latest version with every release

License

API library is licensed under the MIT License

More information

More details about the server-side API can be found here

^{_{captcha, bypasscaptcha, decaptcher, decaptcha, 2captcha, deathbycaptcha, anticaptcha,
bypassrecaptchav2, bypassnocaptcharecaptcha, bypassinvisiblerecaptcha, captchaservicesforrecaptchav2,
recaptchav2captchasolver, googlerecaptchasolver, recaptchasolverpython, recaptchabypassscript, bestcaptchasolver}}

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