WebHooks

{
    "leads": {
        "status": {
            "id": "25399013",
            "name": "Lead title",
            "old_status_id": "7039101",
            "status_id": "142",
            "price": "0",
            "responsible_user_id": "102525",
            "last_modified": "1413554372",
            "modified_user_id": "102525",
            "created_user_id": "102525",
            "date_create": "1413554349",
            "account_id": "7039099",
            "custom_fields": [
                {
                    "id": "427183",
                    "name": "Checkbox custom field",
                    "values": ["1"]
                },
                {
                    "id": "427271",
                    "name": "Date custom field",
                    "values": ["1412380800"]
                },
                {
                    "id": "1069602",
                    "name": "Checkbox custom field",
                    "values": ["0"]
                },
                {
                    "id": "427661",
                    "name": "Text custom field",
                    "values": ["Jason"]
                },
                {
                    "id": "1075272",
                    "name": "Date custom field",
                    "values": ["1413331200"]
                }
            ]
        }
    }
}

{  
   "task":{  
      "update":[  
         {  
            "id":"11122233",
            "element_id":"33322211",
            "element_type":"2",
            "task_type":"1",
            "date_create":"2017-07-20 15:00:00",
            "text":"Follow-up",
            "status":"1", // 0 - not completed, 1 - complete
            "account_id":"77711122",
            "created_user_id":"110110",
            "last_modified":"2017-07-21 19:00:00",
            "responsible_user_id":"110110",
            "complete_till":"2017-07-22 23:59:00",
            "action_close":"1", // Parameter only for updating tasks. 1 - the task was completed with the current update, 0 - was not completed
            "result":{  // The result for the task comes, if it was specified.
               "id":"155155155",
               "text":"Success"
            }
         }
      ]
   },
   "account":{  
      "subdomain":"test"
   }
}

{
   subscribe: [
      {
         url: https://requestb.in/1hwg3ke1,
         events: [
            "add_lead",
            "add_contact",
            "add_company",
            "add_customer",
            "add_task"
         ]
      }
   ]
}

{
   unsubscribe: [
      {
         events: [
            "responsible_lead",
            "responsible_contact",
            "responsible_company",
            "responsible_customer",
            "responsible_task"
         ]
      }
   ]
}

{
   _links: {
      self: {
         href: "/api/v2/webhooks/subscribe",
         method: "post"
      }
   },
   _embedded: {
      items: [
         {
            url: https://requestb.in/1hwg3ke1,
            result: true
         }
      ]
   }
}

$data = array(
   'subscribe' => array(
      array(
         'url' => 'https://requestb.in/1hwg3ke1',
         'events' => array(
            "responsible_lead",
            "responsible_contact",
            "responsible_company",
            "responsible_customer",
            "responsible_task"
         )
      )
   )
);
$subdomain='test'; #Our account - subdomain
#Generate a link for the request
$link='https://'.$subdomain.'.amocrm.com/api/v2/webhooks/subscribe';
/* We need to initiate a request to the server We use the cURL library (supplied with PHP). More about work with this library you can read in the manual. */
$curl=curl_init(); #Save the cURL session descriptor
#Set the necessary options for the cURL session
curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);
curl_setopt($curl,CURLOPT_USERAGENT,'amoCRM-API-client/1.0');
curl_setopt($curl,CURLOPT_HTTPHEADER,['Accept: application/json']);
curl_setopt($curl,CURLOPT_URL,$link);
curl_setopt($curl,CURLOPT_HEADER,false);
curl_setopt($curl,CURLOPT_POSTFIELDS, http_build_query($data));
curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($curl,CURLOPT_SSL_VERIFYHOST,0);
$out=curl_exec($curl); #Initiate a request to the API and save the response to a variable
$code=curl_getinfo($curl,CURLINFO_HTTP_CODE);
curl_close($curl);
/* Now we can process the response received from the server. This is an example. You can process the data in your own way. */
$code=(int)$code;
$errors=array(
  301=>'Moved permanently',
  400=>'Bad request',
  401=>'Unauthorized',
  403=>'Forbidden',
  404=>'Not found',
  500=>'Internal server error',
  502=>'Bad gateway',
  503=>'Service unavailable'
);
try
{
  #If the response code is not 200, 201 or 204, we return an error message
 if(!in_array($code, [200, 201, 204]))
    throw new Exception(isset($errors[$code]) ? $errors[$code] : 'Undescribed error',$code);
}
catch(Exception $E)
{
  die('Error: '.$E->getMessage().PHP_EOL.'Error code: '.$E->getCode());
}

{
   _links: {
      self: {
         href: "/api/v2/webhooks",
         method: "get"
      }
   },
   _embedded: {
      items: [
         {
            id: 5881,
            url: https://requestb.in/1hwg3ke1,
            events: [
               "responsible_lead",
               "responsible_contact",
               "responsible_company",
               "responsible_customer",
               "responsible_task"
            ]
         }
      ]
   }
}

$subdomain='test'; #Our account is a subdomain
#Generate a link for the request
$link='https://'.$subdomain.'.amocrm.com/private/api/v2/webhooks';
We need to initiate a request to the server. We use the cURL library (supplied as part of PHP). More about working with this library you can read in the manual.
$curl=curl_init(); #Save the cURL session descriptor
#Set the necessary options for the cURL session
curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);
curl_setopt($curl,CURLOPT_USERAGENT,'amoCRM-API-client/1.0');
curl_setopt($curl,CURLOPT_HTTPHEADER,['Accept: application/json']);
curl_setopt($curl,CURLOPT_URL,$link);
curl_setopt($curl,CURLOPT_HEADER,false);
curl_setopt($curl,CURLOPT_SSL_VERIFYPEER,0);
curl_setopt($curl,CURLOPT_SSL_VERIFYHOST,0);
 
$out=curl_exec($curl); #Initiate a request to the API and save the response to a variable
$code=curl_getinfo($curl,CURLINFO_HTTP_CODE);
curl_close($curl);
Now we can process the response, received from the server. This is an example. You can process the data in your own way.
 
$code=(int)$code;
$errors=array(
  301=>'Moved permanently',
  400=>'Bad request',
  401=>'Unauthorized',
  403=>'Forbidden',
  404=>'Not found',
  500=>'Internal server error',
  502=>'Bad gateway',
  503=>'Service unavailable'
);
try
{
  #If the response code is not 200 or 204, we return an error message
 if($code!=200 && $code!=204)
    throw new Exception(isset($errors[$code]) ? $errors[$code] : 'Undescribed error',$code);
}
catch(Exception $E)
{
  die('Error: '.$E->getMessage().PHP_EOL.'Error code: '.$E->getCode());
}