diff --git a/AntiCaptcha.Sandbox/Program.cs b/AntiCaptcha.Sandbox/Program.cs
index c6bf661..94cb030 100644
--- a/AntiCaptcha.Sandbox/Program.cs
+++ b/AntiCaptcha.Sandbox/Program.cs
@@ -13,28 +13,75 @@ static void Main(string[] args)
 
 		static async Task Foo()
 		{
-			var captcha = new AntiCaptcha(" ## YOUR API KEY ## ");
-			// .. additionally you can pass your own httpClient class
-			var captchaWithHttpClient = new AntiCaptcha(" ## YOUR API KEY ## ", new HttpClient());
+			/*
+			 * Class initialization
+			 * Optionally you can pass 2nd parameter `httpClient` with custom HttpClient to use while requesting API
+			 */
+			var captcha = new AntiCaptcha("API_KEY");
+			var captchaCustomHttp = new AntiCaptcha("API_KEY", new HttpClient());
 
-			// Get current balance
+			/*
+			 * Get current balance
+			 */
 			var balance = await captcha.GetBalance();
 
-			// Solve image captcha
-			var image = await captcha.SolveImage("iVBORw0KGgo...");
+			/*
+			 * Type: Image
+			 *
+			 * Documentation (anti-captcha): https://anti-captcha.com/apidoc/image
+			 */
+			var image = await captcha.SolveImage("BASE64_IMAGE");
 			
-			// Solve ReCaptchaV2
-			var recaptcha = await captcha.SolveReCaptchaV2("GOOGLE_SITE_KEY", "https://example.com");
-			var recaptchaInvisible = await captcha.SolveReCaptchaV2("GOOGLE_SITE_KEY", "https://example.com", true);
+			/*
+			 * Type: ReCaptcha V2
+			 * Optionally you can pass 3rd parameter `isInvisible` to indicate if the reCaptcha is setup as invisible
+			 *
+			 * Homepage: https://www.google.com/recaptcha/
+			 * Documentation (vendor): https://developers.google.com/recaptcha/docs/display
+			 * Documentation (anti-captcha): https://anti-captcha.com/apidoc/recaptcha
+			 */
+			var reCaptcha = await captcha.SolveReCaptchaV2("SITE_KEY", "https://WEBSITE_URL");
+			var reCaptchaInvisible = await captcha.SolveReCaptchaV2("SITE_KEY", "https://WEBSITE_URL", true);
+			
+			/*
+			 * Type: ReCaptcha V3
+			 * If you get ERROR_INCORRECT_SESSION_DATA error you may need to increase minScore value
+			 *
+			 * Homepage: https://www.google.com/recaptcha/
+			 * Documentation (vendor): https://developers.google.com/recaptcha/docs/v3
+			 * Documentation (anti-captcha): https://anti-captcha.com/apidoc/recaptcha
+			 */
+			var reCaptchaV3 = await captcha.SolveReCaptchaV3("SITE_KEY", "https://WEBSITE_URL", 0.9, "SOME_ACTION");
+
+			/*
+			 * Type: hCaptcha
+			 *
+			 * Homepage: https://www.hcaptcha.com/
+			 * Documentation (vendor): https://docs.hcaptcha.com/
+			 * Documentation (anti-captcha): https://anti-captcha.com/apidoc/hcaptcha
+			 */
+			var hCaptcha = await captcha.SolveHCaptcha("SITE_KEY", "https://WEBSITE_URL");
 
-			// Solve FunCaptcha
-			var fun = await captcha.SolveFunCaptcha("FUN_CAPTCHA_PUBLIC_KEY", "https://example.com");
+			/*
+			 * Type: GeeTest
+			 *
+			 * Homepage: https://www.geetest.com/en
+			 * Documentation (vendor): https://docs.geetest.com/en
+			 * Documentation (anti-captcha): https://anti-captcha.com/apidoc/geetest
+			 */
+			var geeTest = await captcha.SolveGeeTest("SITE_KEY", "https://WEBSITE_URL", "CHALLENGE");
 
-			// Solve SquareNet
-			var square = await captcha.SolveSquareNet("iVBORw0KGgo...", "banana", 3, 3);
+			/*
+			 * Type: FunCaptcha
+			 *
+			 * Documentation (anti-captcha): https://anti-captcha.com/apidoc/funcaptcha
+			 */
+			var funCaptcha = await captcha.SolveFunCaptcha("SITE_KEY", "https://WEBSITE_URL");
 
-			// Solve GeeTest
-			var gee = await captcha.SolveGeeTest("GEE_TEST_KEY", "https://example.com", "CHALLENGE");
+			/*
+			 * Type: SquareNet
+			 */
+			var squareNet = await captcha.SolveSquareNet("BASE64_IMAGE", "OBJECT_NAME", 3, 3);
 
 			Debugger.Break();
 		}
diff --git a/AntiCaptcha/AntiCaptcha.cs b/AntiCaptcha/AntiCaptcha.cs
index ff9d8d2..60e1d06 100644
--- a/AntiCaptcha/AntiCaptcha.cs
+++ b/AntiCaptcha/AntiCaptcha.cs
@@ -157,6 +157,46 @@ public async Task<AntiCaptchaResult> SolveReCaptchaV2(string googleSiteKey, stri
 			return new AntiCaptchaResult(true, result.Dictionary["gRecaptchaResponse"].ToString());
 		}
 
+		public async Task<AntiCaptchaResult> SolveReCaptchaV3(string googleSiteKey, string pageUrl, double minScore, string pageAction, CancellationToken cancellationToken = default)
+		{
+			var result = await Solve(5, new Dictionary<string, object>
+			{
+				{"task", new Dictionary<string, object>
+					{
+						{"type", "RecaptchaV3TaskProxyless"},
+						{"websiteURL", pageUrl},
+						{"websiteKey", googleSiteKey},
+						{"minScore", minScore},
+						{"pageAction", pageAction},
+					}
+				}
+			}, cancellationToken).ConfigureAwait(false);
+
+			if (!result.Success)
+				return new AntiCaptchaResult(false, result.Response);
+
+			return new AntiCaptchaResult(true, result.Dictionary["gRecaptchaResponse"].ToString());
+		}
+
+		public async Task<AntiCaptchaResult> SolveHCaptcha(string siteKey, string pageUrl, CancellationToken cancellationToken = default)
+		{
+			var result = await Solve(10, new Dictionary<string, object>
+			{
+				{"task", new Dictionary<string, object>
+					{
+						{"type", "HCaptchaTaskProxyless"},
+						{"websiteURL", pageUrl},
+						{"websiteKey", siteKey},
+					}
+				}
+			}, cancellationToken).ConfigureAwait(false);
+
+			if (!result.Success)
+				return new AntiCaptchaResult(false, result.Response);
+
+			return new AntiCaptchaResult(true, result.Dictionary["gRecaptchaResponse"].ToString());
+		}
+
 		public async Task<AntiCaptchaResult> SolveFunCaptcha(string funCaptchaPublicKey, string pageUrl, CancellationToken cancellationToken = default)
 		{
 			var result = await Solve(10, new Dictionary<string, object>
diff --git a/AntiCaptcha/AntiCaptcha.csproj b/AntiCaptcha/AntiCaptcha.csproj
index 1f25da0..d0dd8e5 100644
--- a/AntiCaptcha/AntiCaptcha.csproj
+++ b/AntiCaptcha/AntiCaptcha.csproj
@@ -9,12 +9,12 @@
     <PackageLicenseUrl></PackageLicenseUrl>
     <PackageProjectUrl>https://github.com/Zaczero/AntiCaptcha</PackageProjectUrl>
     <PackageIconUrl></PackageIconUrl>
-    <Version>1.2</Version>
-    <PackageTags>anticaptcha, captcha, solver, recaptcha, google, text, image, wrapper, api</PackageTags>
+    <Version>1.3</Version>
+    <PackageTags>anticaptcha, captcha, solver, google, recaptcha, hcaptcha, geetest, text, image, wrapper, api</PackageTags>
     <PackageId>AntiCaptchaAPI</PackageId>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
-    <AssemblyVersion>1.2.0.0</AssemblyVersion>
-    <FileVersion>1.2.0.0</FileVersion>
+    <AssemblyVersion>1.3.0.0</AssemblyVersion>
+    <FileVersion>1.3.0.0</FileVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
     <RepositoryUrl>https://github.com/Zaczero/AntiCaptcha</RepositoryUrl>
     <PackageIcon>AntiCaptcha.png</PackageIcon>
diff --git a/README.md b/README.md
index d1d15ba..3df93d8 100644
--- a/README.md
+++ b/README.md
@@ -22,28 +22,75 @@ An online captcha solving and image recognition service.
 ### Sample code
 
 ```cs
-var captcha = new AntiCaptcha(" ## YOUR API KEY ## ");
-// .. additionally you can pass your own httpClient class
-var captchaWithHttpClient = new AntiCaptcha(" ## YOUR API KEY ## ", new HttpClient());
-
-// Get current balance
+/*
+ * Class initialization
+ * Optionally you can pass 2nd parameter `httpClient` with custom HttpClient to use while requesting API
+ */
+var captcha = new AntiCaptcha("API_KEY");
+var captchaCustomHttp = new AntiCaptcha("API_KEY", new HttpClient());
+
+/*
+ * Get current balance
+ */
 var balance = await captcha.GetBalance();
 
-// Solve image captcha
-var image = await captcha.SolveImage("iVBORw0KGgo...");
-
-// Solve ReCaptchaV2
-var recaptcha = await captcha.SolveReCaptchaV2("GOOGLE_SITE_KEY", "https://example.com");
-var recaptchaInvisible = await captcha.SolveReCaptchaV2("GOOGLE_SITE_KEY", "https://example.com", true);
-
-// Solve FunCaptcha
-var fun = await captcha.SolveFunCaptcha("FUN_CAPTCHA_PUBLIC_KEY", "https://example.com");
-
-// Solve SquareNet
-var square = await captcha.SolveSquareNet("iVBORw0KGgo...", "banana", 3, 3);
-
-// Solve GeeTest
-var gee = await captcha.SolveGeeTest("GEE_TEST_KEY", "https://example.com", "CHALLENGE");
+/*
+ * Type: Image
+ *
+ * Documentation (anti-captcha): https://anti-captcha.com/apidoc/image
+ */
+var image = await captcha.SolveImage("BASE64_IMAGE");
+
+/*
+ * Type: ReCaptcha V2
+ * Optionally you can pass 3rd parameter `isInvisible` to indicate if the reCaptcha is setup as invisible
+ *
+ * Homepage: https://www.google.com/recaptcha/
+ * Documentation (vendor): https://developers.google.com/recaptcha/docs/display
+ * Documentation (anti-captcha): https://anti-captcha.com/apidoc/recaptcha
+ */
+var reCaptcha = await captcha.SolveReCaptchaV2("SITE_KEY", "https://WEBSITE_URL");
+var reCaptchaInvisible = await captcha.SolveReCaptchaV2("SITE_KEY", "https://WEBSITE_URL", true);
+
+/*
+ * Type: ReCaptcha V3
+ * If you get ERROR_INCORRECT_SESSION_DATA error you may need to increase minScore value
+ *
+ * Homepage: https://www.google.com/recaptcha/
+ * Documentation (vendor): https://developers.google.com/recaptcha/docs/v3
+ * Documentation (anti-captcha): https://anti-captcha.com/apidoc/recaptcha
+ */
+var reCaptchaV3 = await captcha.SolveReCaptchaV3("SITE_KEY", "https://WEBSITE_URL", 0.9, "SOME_ACTION");
+
+/*
+ * Type: hCaptcha
+ *
+ * Homepage: https://www.hcaptcha.com/
+ * Documentation (vendor): https://docs.hcaptcha.com/
+ * Documentation (anti-captcha): https://anti-captcha.com/apidoc/hcaptcha
+ */
+var hCaptcha = await captcha.SolveHCaptcha("SITE_KEY", "https://WEBSITE_URL");
+
+/*
+ * Type: GeeTest
+ *
+ * Homepage: https://www.geetest.com/en
+ * Documentation (vendor): https://docs.geetest.com/en
+ * Documentation (anti-captcha): https://anti-captcha.com/apidoc/geetest
+ */
+var geeTest = await captcha.SolveGeeTest("SITE_KEY", "https://WEBSITE_URL", "CHALLENGE");
+
+/*
+ * Type: FunCaptcha
+ *
+ * Documentation (anti-captcha): https://anti-captcha.com/apidoc/funcaptcha
+ */
+var funCaptcha = await captcha.SolveFunCaptcha("SITE_KEY", "https://WEBSITE_URL");
+
+/*
+ * Type: SquareNet
+ */
+var squareNet = await captcha.SolveSquareNet("BASE64_IMAGE", "OBJECT_NAME", 3, 3);
 ```
 
 ### And here is the result structure *(the same for all methods)*