API Server Documentation

Welcome to the API Server Documentation page. Created by Captchas.Online!

  • Server: captchas.online
  • Author: Captchas.Online
  • Created: 28 October, 2026
  • Update: 28 October, 2026

Introduction

This API works by calling two endpoints, the /in.php and the /res.php endpoints. The /in.php endpoint is where you submit or post the CAPTCHA data to be solved while the /res.php endpoint is where you get the CAPTCHA solution or answer through the CAPTCHA_ID returned by the /in.php endpoint.

This API does not accept JSON formatted requests... Instead, this API accepts plain Text/HTML formatted POST / GET requests.

Endpoints

API Endpoints:

  • http://captchas.online/in.php - To send or upload a CAPTCHA for solving.
  • http://captchas.online/res.php - To get CAPTCHA solving answer or token.

Proxies

To ensure that you get the best solving time, you will need to use your own proxies. Why? Because using our local proxies means your solving speed is still 10% shared! You are using the proxy pool used by the mainy customers of Captchas.Online.

Use proxy parameter value in this format: proxy_ip:proxy_port OR proxy_username:proxy_password@proxy_ip:proxy_port

The proxytype parameter values: could be; HTTP, HTTPS, SOCKS4, & SOCKS5

When using proxies please pass the following parameters: proxytype and proxy.

Methods

These are the API method implementations. Basicaly these are the methods for SENDING or UPLOADING CAPTCHAs to our API.

Normal Images

API Task type to solve normal Image CAPTCHAs.

Parameter Type Required Possible values
key String Yes Your API key.
method String Yes Default: "base64"; This is the parameter that sets the API on what types of CAPTCHAs to solve. This example tells the API to solve for normal image CAPTCHAs.
body String Yes Base64 image example: data:image/gif;base64,R0lGODlhggA8APcAALosALs7A...
regsense Integer No 0 - Case in-sensitive. - Default
1 - Case sensitive.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="base64">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="body">
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=base64&body={BASE64_CAPTCHA_ENCODED_IMAGE}

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'body' => {BASE64_CAPTCHA_ENCODED_IMAGE},
	'method' => "base64"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|skipy

// JSON Response Example
{ 
	"status": 1,
	"request": "skipy" 
}

// This example shows that the value skipy is the CAPTCHA answer.

reCAPTCHA v2

To solve Google reCAPTCHA version 2.

Parameter Type Required Possible values / Description
key String Yes Your API key.
method String Yes Default: "userrecaptcha"
pageurl String Yes The web address URL of the page which contains the Google reCAPTCHA.
googlekey String Yes reCAPTCHA website key.
version String Yes Default: "v2". The reCAPTCHA version that is applicable.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="userrecaptcha">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="googlekey">
<input type="text" name="pageurl"> 
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=userrecaptcha&googlekey={GOOGLE_SITE_KEY}&pageurl={PAGE_URL}

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'googlekey' => {GOOGLE_SITE_KEY},
	'pageurl' => {PAGE_URL},
	'method' => "userrecaptcha"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE

// JSON Response Example
{ 
	"status": 1,
	"request": "03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE" 
}

// This example shows that the value 03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE is the reCAPTCHA v2 token.

reCAPTCHA v3

To solve Google reCAPTCHA version 3.

Parameter Type Required Possible values / Description
key String Yes Your API key.
method String Yes Default: "userrecaptcha"
pageurl String Yes The web address URL of the page which contains the Google reCAPTCHA.
googlekey String Yes reCAPTCHA website key.
version String Yes Default: "v3". The reCAPTCHA version that is applicable.
action String No Value of action parameter you found on page.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="userrecaptcha">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="googlekey">
<input type="text" name="pageurl"> 
<input type="text" name="version"> 
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=userrecaptcha&googlekey={SITEKEY}&pageurl={PAGEURL}&version=v3

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'googlekey' => {GOOGLE_SITE_KEY},
	'pageurl' => {PAGE_URL},
	'version' => "v3", 
	'method' => "userrecaptcha"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE

// JSON Response Example
{ 
	"status": 1,
	"request": "03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE" 
}

// This example shows that the value 03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE is the reCAPTCHA v3 token.

reCAPTCHA Enterprise

Task type to solve reCAPTCHA Enterprise.

Parameter Type Required Possible values / Description
key String Yes Your API key.
method String Yes Default: "userrecaptcha"
pageurl String Yes The web address URL of the page which contains the Google reCAPTCHA.
googlekey String Yes reCAPTCHA website key.
version String Yes Default: "v2". The reCAPTCHA version that is applicable.
enterprise String Yes Must be 1 for Enterprise captcha.
data-s String No The "data-s" parameter found in the website URL containing the reCAPTCHA.
action String No Value of action parameter you found on page.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="userrecaptcha">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="googlekey">
<input type="text" name="pageurl"> 
<input type="text" name="version"> 
<input type="text" name="enterprise">
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=userrecaptcha&googlekey={SITEKEY}&pageurl={PAGEURL}&version={VERSION}&enterprise=1

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'googlekey' => {GOOGLE_SITE_KEY},
	'pageurl' => {PAGE_URL},
	'version' => {ENTERPRISE_RECAPTCHA_VERSION}, 
	'enterprise' => 1, 
	'method' => "userrecaptcha"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE

// JSON Response Example
{ 
	"status": 1,
	"request": "03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE" 
}

// This example shows that the value 03ADUVZwB7eLo...72IF-X3mG_cXnBRwjtMEdIrSE is the Enterprise reCAPTCHA token.

Cloudflare Turnstile

Task type to solve CloudFlare Turnstile CAPTCHAs.

Parameter Type Required Possible values / Description
key String Yes Your API key.
method String Yes Default: "turnstile"
pageurl String Yes Full URL where Turnstile appears.
sitekey String Yes Turnstile sitekey from widget or turnstile.render().
action String No Value of optional action parameter you found on page, can be defined in data-action attribute or passed to turnstile.render call.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="turnstile">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="sitekey">
<input type="text" name="pageurl"> 
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=turnstile&sitekey={TURNSTILE_SITE_KEY}&pageurl={PAGE_URL} 

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'sitekey' => {TURNSTILE_SITE_KEY},
	'pageurl' => {PAGE_URL}, 
	'method' => "turnstile"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|1.5WxDnIaGkDjh2Qr5UQBbj1dxO...0bac8c6a3c64f07ffd37

// JSON Response Example
{ 
	"status": 1,
	"request": "1.5WxDnIaGkDjh2Qr5UQBbj1dxO...0bac8c6a3c64f07ffd37" 
}

// This example shows that the value 1.5WxDnIaGkDjh2Qr5UQBbj1dxO...0bac8c6a3c64f07ffd37 is the Turnstile token.

Cloudflare Challenge

Task type to solve Cloudflare Challenge CAPTCHAs.

Parameter Type Required Possible values / Description
key String Yes Your API key.
method String Yes Default: "cloudflare_challenge"
pageurl String Yes Full URL where Cloudflare Challenge appears.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="cloudflare_challenge">
<input type="text" name="key" value="{API_KEY}"> 
<input type="text" name="pageurl"> 
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=cloudflare_challenge&pageurl={PAGE_URL} 

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY}, 
	'pageurl' => {PAGE_URL}, 
	'method' => "cloudflare_challenge"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|3kdY0jp5ksYG3SVAI...3Jg5b3b9oTBAP94E

// JSON Response Example
{ 
	"status": 1,
	"request": "3kdY0jp5ksYG3SVAI...3Jg5b3b9oTBAP94E" 
}

// This example shows that the value 3kdY0jp5ksYG3SVAI...3Jg5b3b9oTBAP94E is the Cloudflare Challenge token.

Geetest

Task type to solve Geetest CAPTCHAs.

Parameter Type Required Possible values / Description
key String Yes Your API key.
method String Yes Default: "geetest"
pageurl String Yes Full URL where Turnstile appears.
gt String Yes Value of gt parameter found on target website.
challenge String Yes Value of challenge parameter found on target website.
api_server String No Optional: API server location (e.g., api-na.geetest.com)
userAgent String No User-Agent string passed to the solver browser.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="geetest">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="gt">
<input type="text" name="challenge">
<input type="text" name="pageurl"> 
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=geetest&gt={GT_SITEKEY}&pageurl={PAGE_URL}&challenge={CHALLENGE_KEY}  

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'gt' => {GEETEST_GT_SITE_KEY},
	'challenge' => {GEETEST_CHALLENGE},
	'pageurl' => {PAGE_URL}, 
	'method' => "geetest"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&json=1&id={CAPTCHA_ID}		  

// We have to set json=1 parameter because our geetest solver needs to reply in JSON format.
Response Examples
 
{
	"status": 1,
	"request": {
		"challenge": "1a2b3456cd67890e12345fab678901c2de", 
		"validate": "09fe8d7c6ba54f32e1dcb0a9fedc8765", 
		"seccode": "12fe3d4c56789ba01f2e345d6789c012|jordan"
	} 
}

CaptchaFox

Task type to solve CaptchaFox CAPTCHAs.

Parameter Type Required Possible values / Description
key String Yes Your API key
method String Yes Default: "captchafox"
sitekey String Yes The value of the sitekey parameter found on the page or captured in network requests.
pageurl String Yes The full URL of the page containing the captcha.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="captchafox">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="sitekey">
<input type="text" name="pageurl"> 
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=captchafox&sitekey={CAPTCHAFOX_SITE_KEY}&pageurl={PAGE_URL} 

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'sitekey' => {CAPTCHAFOX_SITE_KEY},
	'pageurl' => {PAGE_URL}, 
	'method' => "captchafox"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|cf-1.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-XYZ123

// JSON Response Example
{ 
	"status": 1,
	"request": "cf-1.ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789._-XYZ123" 
}

// This example shows that the value cf-1.ABCDEFGHIJKLMNOPQ...wxyz0123456789._-XYZ123 is the CaptchaFox solution token.

Lemin

Task type to solve Lemin CAPTCHAs.

Parameter Type Required Possible values / Description
key String Yes Your API key.
method String Yes Default: "lemin"
captcha_id String Yes The CAPTCHA identifier extracted from the page or network traffic.
div_id String No The optional CAPTCHA container HTML code DIV tag ID.
pageurl String No The Lemin page URL.
json Integer No 0 - Plain text response. - Default
1 - JSON response.
The /in.php Request and Response
Request Examples

// HTML Form Example		  
<form method="post" action="http://captchas.online/in.php" enctype="multipart/form-data">
<input type="hidden" name="method" value="lemin">
<input type="text" name="key" value="{API_KEY}">
<input type="text" name="captcha_id">
<input type="text" name="div_id">
<input type="text" name="pageurl"> 
<input type="submit" value="Send and Get ID">
</form>	  

// CURL Eample
curl http://captchas.online/in.php?key={API_KEY}&method=lemin&captcha_id={LEMIN_CAPTCHA_ID}&div_id={DIV_ID}&pageurl={PAGE_URL} 

// PHP Example
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL,"http://captchas.online/in.php");
curl_setopt($ch, CURLOPT_POST, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 60);
curl_setopt($ch, CURLOPT_TIMEOUT, 60);
curl_setopt($ch, CURLOPT_TCP_NODELAY, TRUE);
				
curl_setopt($ch, CURLOPT_POSTFIELDS, array(
	'key' => {API_KEY},
	'captcha_id' => {LEMIN_CAPTCHA_ID},
	'div_id' => {LEMIN_DIV_ID},
	'pageurl' => {PAGE_URL}, 
	'method' => "lemin"
));

curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
$_ans = curl_exec($ch);
curl_close($ch);

$_rest = explode("|", $_ans);
$_answer = trim($_rest[1]);

print $_answer;
Response Examples

// Text Response Example		  
OK|583567

// JSON Response Example
{ "status":1,request:"583567" }

// This example shows that the value 583567 is the CAPTCHA_ID.
The /res.php Request and Response
Request Example

// CURL Eample
curl http://captchas.online/res.php?key={API_KEY}&action=get&id={CAPTCHA_ID}
Response Examples

// Text Response Example		  
OK|lemin_eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.XyZkY2FwdGNoYV9kYXRhX3NvbWVfaGFzaF9zdHJpbmc.abc123xyz456

// JSON Response Example
{ 
	"status": 1,
	"request": "lemin_eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.XyZkY2FwdGNoYV9kYXRhX3NvbWVfaGFzaF9zdHJpbmc.abc123xyz456" 
}

// This example shows that the value lemin_eyJhbGciOiJIUzI1NiIsInR5cCI6Ikp...FzaF9zdHJpbmc.abc123xyz456 is the Lemin solution token.

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