curl --request GET \
--url 'https://api.xsolla.com/merchant/v2/merchants/{merchant_id}/events/messages' \
--header 'authorization: Basic <your_authorization_basic_key>'

<?php

// if you use Xsolla SDK for PHP
use Xsolla\SDK\API\XsollaClient;
$xsollaClient = XsollaClient::factory(array(
    'merchant_id' => MERCHANT_ID,
    'api_key' => API_KEY
));
$eventsList = $client->ListEvents(array());

// if you don’t use Xsolla SDK for PHP
$client = new http\Client;
$request = new http\Client\Request;

$request->setRequestUrl('https://api.xsolla.com/merchant/v2/merchants/{merchant_id}/events/messages');
$request->setRequestMethod('GET');
$request->setHeaders(array(
  'authorization' => 'Basic <your_authorization_basic_key>'
));

$client->enqueue($request)->send();
$response = $client->getResponse();

echo $response->getBody();

var client = new RestClient("https://api.xsolla.com/merchant/v2/merchants/{merchant_id}/events/messages");
var request = new RestRequest(Method.GET);
request.AddHeader("authorization", "Basic <your_authorization_basic_key>");
IRestResponse response = client.Execute(request);

import http.client

conn = http.client.HTTPSConnection("api.xsolla.com")

headers = { 'authorization': "Basic <your_authorization_basic_key>" }

conn.request("GET", "/merchant/v2/merchants/{merchant_id}/events/messages", headers=headers)

res = conn.getresponse()
data = res.read()

print(data.decode("utf-8"))

require 'uri'
require 'net/http'

url = URI("https://api.xsolla.com/merchant/v2/merchants/{merchant_id}/events/messages")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
http.verify_mode = OpenSSL::SSL::VERIFY_NONE

request = Net::HTTP::Get.new(url)
request["authorization"] = 'Basic <your_authorization_basic_key>'

response = http.request(request)
puts response.read_body

OkHttpClient client = new OkHttpClient();

Request request = new Request.Builder()
  .url("https://api.xsolla.com/merchant/v2/merchants/{merchant_id}/events/messages")
  .get()
  .addHeader("authorization", "Basic <your_authorization_basic_key>")
  .build();

Response response = client.newCall(request).execute();

var data = null;

var xhr = new XMLHttpRequest();
xhr.withCredentials = true;

xhr.addEventListener("readystatechange", function () {
  if (this.readyState === this.DONE) {
    console.log(this.responseText);
  }
});

xhr.open("GET", "https://api.xsolla.com/merchant/v2/merchants/{merchant_id}/events/messages");
xhr.setRequestHeader("authorization", "Basic <your_authorization_basic_key>");

xhr.send(data);

$curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Authorization: Signature 52eac2713985e212351610d008e7e14fae46f902' \
-d '{
  "notification_type":
    "user_validation",
    "user":
      {
        "ip": "127.0.0.1",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": 1234567,
        "name": "Xsolla User",
        "country": "US"
      }
    }'

POST /your/uri HTTP/1.1
Host: your.hostname
Accept: application/json
Content-Type: application/json
Content-Length: 240
Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f

{
    "notification_type": "user_validation",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "user": {
        "ip": "127.0.0.1",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": "1234567",
        "name": "Xsolla User",
        "country": "US"
    }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
    "notification_type":"user_validation",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },    
    "user": {
        "ip": "127.0.0.1",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": "1234567",
        "name": "Xsolla User",
        "country": "US"
    }
}'

HTTP/1.1 204 No Content

POST /your/uri HTTP/1.1
Host: your.hostname
Accept: application/json
Content-Type: application/json
Content-Length: 240
Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f

{
    "notification_type": "user_search",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "user": {
        "public_id": "public_email@example.com"
    }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
    "notification_type": "user_search",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "user": {
        "public_id": "public_email@example.com"
    }
}'

HTTP/1.1 200 OK
Content-Type: application/json

{
    "user": {
        "public_id": "public_email@example.com",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": "1234567",
        "name": "Xsolla User"
    }
}

{
    "user": {
        "public_id": "public_email@example.com",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": "1234567",
        "name": "Xsolla User"
    }
}

POST /your_uri HTTP/1.1
Host: your.host
Accept: application/json
Content-Type: application/json
Content-Length: 1721
Authorization: Signature 34553d151e656110c656696c919f9a10e05de542

{
    "notification_type": "payment",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "purchase":{
        "virtual_currency": {
            "name": "Coins",
            "sku": "test_package1",
            "quantity": 10,
            "currency": "USD",
            "amount": 100
        },
        "subscription": {
            "plan_id": "b5dac9c8",
            "subscription_id": "10",
            "product_id": "Demo Product",
            "date_create": "2014-09-22T19:25:25+04:00",
            "date_next_charge": "2014-10-22T19:25:25+04:00",
            "currency": "USD",
            "amount": 9.99
        },
        "checkout": {
            "currency": "USD",
            "amount": 50
        },
        "virtual_items": {
            "items": [
                {
                    "sku": "test_item1",
                    "amount": 1
                }
            ],
            "currency": "USD",
            "amount": 50
        },
        "total": {
            "currency": "USD",
            "amount": 200
        },
        "promotions": [{
            "technical_name": "Demo Promotion",
            "id": "853"
        }],
        "coupon": {
            "coupon_code": "ICvj45S4FUOyy",
            "campaign_code": "1507"
        }
    },
    "user": {
        "ip": "127.0.0.1",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": "1234567",
        "name": "Xsolla User",
        "country": "US"
    },
    "transaction": {
        "id": 1,
        "external_id": 1,
        "payment_date": "2014-09-24T20:38:16+04:00",
        "payment_method": 1,
        "payment_method_order_id": 1234567890123456789,
        "dry_run": 1,
        "agreement": 1
    },
    "payment_details": {
        "payment": {
            "currency": "USD",
            "amount": 230
        },
        "vat": {
            "currency": "USD",
            "amount": 0
            "percent": 20
        },
        "sales_tax": {
            "currency": "USD",
            "amount": 0
            "percent": 0
        },
        "direct_wht": {
            "currency": "USD",
            "amount": 0
            "percent": 0
        },
        "payout_currency_rate": 1,
        "payout": {
            "currency": "USD",
            "amount": 200
        },
        "xsolla_fee": {
            "currency": "USD",
            "amount": 10
        },
        "payment_method_fee": {
            "currency": "USD",
            "amount": 20
        },
        "repatriation_commission": {
            "currency": "USD",
            "amount": "10"
        }
    },
    "custom_parameters": {
        "parameter1": "value1",
        "parameter2": "value2"
    }
}

$curl -v 'https://your.hostname/your/uri' \
-X POST \
-d '{
    "notification_type": "payment",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "purchase": {
        "virtual_currency": {
            "name": "Coins",
            "sku": "test_package1",
            "quantity": 10,
            "currency": "USD",
            "amount": 100
        },
        "subscription": {
            "plan_id": "b5dac9c8",
            "subscription_id": "10",
            "product_id": "Demo Product",
            "date_create": "2014-09-22T19:25:25+04:00",
            "date_next_charge": "2014-10-22T19:25:25+04:00",
            "currency": "USD",
            "amount": 9.99
        },
        "checkout": {
            "currency": "USD",
            "amount": 50
        },
        "virtual_items": {
            "items": [
                {
                    "sku": "test_item1",
                    "amount": 1
                }
            ],
            "currency": "USD",
            "amount": 50
        },
        "total": {
            "currency": "USD",
            "amount": 200
        },
        "promotions": [{
            "technical_name": "Demo Promotion",
            "id": "853"
        }],
        "coupon": {
             "coupon_code": "ICvj45S4FUOyy",
             "campaign_code": "1507"
        }
    },
    "user": {
        "ip": "127.0.0.1",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": "1234567",
        "name": "Xsolla User",
        "country": "US"
    },
    "transaction": {
        "id": 1,
        "external_id": 1,
        "payment_date": "2014-09-24T20:38:16+04:00",
        "payment_method": 1,
        "payment_method_order_id": 1234567890123456789,
        "dry_run": 1,
        "agreement": 1
    },
    "payment_details": {
        "payment": {
            "currency": "USD",
            "amount": 230
        },
        "vat": {
            "currency": "USD",
            "amount": 0
            "percent": 20
        },
        "sales_tax": {
            "currency": "USD",
            "amount": 0
            "percent": 0
        },
        "direct_wht": {
            "currency": "USD",
            "amount": 0
            "percent": 0
        },
        "payout_currency_rate": 1,
        "payout": {
            "currency": "USD",
            "amount": 200
        },
        "xsolla_fee": {
            "currency": "USD",
            "amount": 10
        },
        "payment_method_fee": {
            "currency": "USD",
            "amount": 20
        },
        "repatriation_commission": {
            "currency": "USD",
            "amount": "10"
        }
    },
    "custom_parameters": {
        "parameter1": "value1",
        "parameter2": "value2"
    }
}'

HTTP/1.1 204 No Content

POST /your_uri HTTP/1.1
Host: your.host
Accept: application/json
Content-Type: application/json
Content-Length: 1220
Authorization: Signature 31bd5924dd6cbc9cbe99d331c4a086a57291f9d7

{
    "notification_type": "refund",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "purchase": {
        "virtual_currency": {
            "name": "Coins",
            "quantity": 10,
            "currency": "USD",
            "amount": 100
        },
        "subscription": {
            "plan_id": "b5dac9c8",
            "subscription_id": "10",
            "date_create": "2014-09-22T19:25:25+04:00",
            "currency": "USD",
            "amount": 9.99
        },
        "checkout": {
            "currency": "USD",
            "amount": 50
        },
        "virtual_items": {
            "items": [
                {
                    "sku": "test_item1",
                    "amount": 1
                }
            ],
            "currency": "USD",
            "amount": 50
        },
        "total": {
            "currency": "USD",
            "amount": 200
        }
    },
    "user": {
        "ip": "127.0.0.1",
        "phone": "18777976552",
        "email": "email@example.com",
        "id": "1234567",
        "name": "Xsolla User",
        "country": "US"
    },
    "transaction": {
        "id": 1,
        "external_id": 1,
        "dry_run": 1,
        "agreement": 1
    },
    "refund_details": {
        "code": 1,
        "reason": "Fraud"
    },
    "payment_details": {
        "sales_tax": {
            "currency": "USD",
            "amount": 0
            "percent": 0
        },
        "direct_wht": {
            "currency": "USD",
            "amount": 0
            "percent": 0
        },
        "xsolla_fee": {
            "currency": "USD",
            "amount": "10"
        },
        "payout": {
            "currency": "USD",
            "amount": "200"
        },
        "payment_method_fee": {
            "currency": "USD",
            "amount": "20"
        },
        "payment": {
            "currency": "USD",
            "amount": "230"
        },
        "repatriation_commission": {
            "currency": "USD",
            "amount": "10"
        }
    }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-d '{
        "notification_type": "refund",
        "settings": {
           "project_id": 18404,
           "merchant_id": 2340
        },
        "purchase": {
            "virtual_currency": {
                "name": "Coins",
                "quantity": 10,
                "currency": "USD",
                "amount": 100
            },
            "subscription": {
                "plan_id": "b5dac9c8",
                "subscription_id": "10",
                "date_create": "2014-09-22T19:25:25+04:00",
                "currency": "USD",
                "amount": 9.99
            },
            "checkout": {
                "currency": "USD",
                "amount": 50
            },
            "virtual_items": {
                "items": [
                    {
                        "sku": "test_item1",
                        "amount": 1
                    }
                ],
                "currency": "USD",
                "amount": 50
            },
            "total":{
                "currency": "USD",
                "amount": 200
            }
        },
        "user": {
            "ip": "127.0.0.1",
            "phone": "18777976552",
            "email": "email@example.com",
            "id": "1234567",
            "name": "Xsolla User",
            "country": "US"
        },
        "transaction": {
            "id": 1,
            "external_id": 1,
            "dry_run": 1,
            "agreement": 1
        },
        "refund_details": {
            "code": 1,
            "reason": "Fraud"
        },
        "payment_details": {
            "sales_tax": {
                "currency": "USD",
                "amount": 0
                "percent": 0
            },
            "direct_wht": {
                "currency": "USD",
                "amount": 0
                "percent": 0
            },
            "xsolla_fee": {
                "currency": "USD",
                "amount": "10"
            },
            "payout": {
                "currency": "USD",
                "amount": "200"
            },
            "payment_method_fee": {
                "currency": "USD",
                "amount": "20"
            },
            "payment": {
                "currency": "USD",
                "amount": "230"
            },
            "repatriation_commission": {
                "currency": "USD",
                "amount": "10"
            }
        }
    }
}'

HTTP/1.1 204 No Content

POST /your_uri HTTP/1.1
Host: your.host
Accept: application/json
Content-Type: application/json
Authorization: Signature <signature>

{
  "notification_type": "upgrade_refund",
  "settings": {
     "project_id": 18404,
     "merchant_id": 2340
  },
  "purchase": {
    "pin_codes": [
      {
        "purchase_type": "regular",
        "digital_content": "silver",
        "DRM": "drmfree",
        "currency": "USD",
        "amount": "40",
        "transaction": {
          "id": "361697569"
        }
      },
      {
        "purchase_type": "upgrade",
        "upgrade": {
          "digital_content_from": {
            "digital_content": "silver",
            "DRM": "drmfree"
          },
          "digital_content_to": {
            "digital_content": "gold",
            "DRM": "drmfree"
          }
        },
        "currency": "USD",
        "amount": "20",
        "transaction": {
          "id": "361697570"
        }
      },
      {
        "purchase_type": "upgrade",
        "upgrade": {
          "digital_content_from": {
            "digital_content": "gold",
            "DRM": "drmfree"
          },
          "digital_content_to": {
            "digital_content": "platinum",
            "DRM": "drmfree"
          }
        },
        "currency": "USD",
        "amount": "20",
        "transaction": {
          "id": "361697571"
        }
      }
    ]
  },
  "ownership": {
    "digital_content": null,
    "DRM": null
  }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-d '{
  "notification_type": "upgrade_refund",
  "settings": {
     "project_id": 18404,
     "merchant_id": 2340
  },
  "purchase": {
    "pin_codes": [
      {
        "purchase_type": "regular",
        "digital_content": "silver",
        "DRM": "drmfree",
        "currency": "USD",
        "amount": "40",
        "transaction": {
          "id": "361697569"
        }
      },
      {
        "purchase_type": "upgrade",
        "upgrade": {
          "digital_content_from": {
            "digital_content": "silver",
            "DRM": "drmfree"
          },
          "digital_content_to": {
            "digital_content": "gold",
            "DRM": "drmfree"
          }
        },
        "currency": "USD",
        "amount": "20",
        "transaction": {
          "id": "361697570"
        }
      },
      {
        "purchase_type": "upgrade",
        "upgrade": {
          "digital_content_from": {
            "digital_content": "gold",
            "DRM": "drmfree"
          },
          "digital_content_to": {
            "digital_content": "platinum",
            "DRM": "drmfree"
          }
        },
        "currency": "USD",
        "amount": "20",
        "transaction": {
          "id": "361697571"
        }
      }
    ]
  },
  "ownership": {
    "digital_content": null,
    "DRM": null
  }
}'

POST /your_uri HTTP/1.1
Host: your.host
Accept: application/json
Content-Type: application/json
Content-Length: 1220
Authorization: Signature 31bd5924dd6cbc9cbe99d331c4a086a57291f9d7

{
  "notification_type": "afs_reject",
  "settings": {
    "project_id": 18404,
    "merchant_id": 2340
  },
  "user": {
    "ip": "127.0.0.1",
    "phone": "18777976552",
    "email": "semail@example.com",
    "id": "1234567",
    "name": "Xsolla User",
    "country": "US"
  },
  "transaction": {
    "id": 1,
    "external_id": 1,
    "dry_run": 1,
    "agreement": 1
  },
  "refund_details": {
    "code": 4,
    "reason": "Potential fraud"
  }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-d '{
  "notification_type": "afs_reject",
  "settings": {
    "project_id": 18404,
    "merchant_id": 2340
  },
  "user": {
    "ip": "127.0.0.1",
    "phone": "18777976552",
    "email": "semail@example.com",
    "id": "1234567",
    "name": "Xsolla User",
    "country": "US"
  },
  "transaction": {
    "id": 1,
    "external_id": 1,
    "dry_run": 1,
    "agreement": 1
  },
  "refund_details": {
    "code": 4,
    "reason": "Potential fraud"
  }
}'

HTTP/1.1 204 No Content

$curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Authorization: Signature 32c64a80d2527dc08906ae1891bac4489509b9f6' \
-d '{
  "event": {
    "action": "adding",
    "date_of_last_action": "2020-11-27T10:09:05+03:00",
    "parameter": "email",
    "parameter_value": "some_cool_email@gmail.com",
    "reason": "ps_reported_fraud",
    "transaction_id": "111111111"
  },
  "notification_type": "afs_black_list"
}'

POST /your/uri HTTP/1.1
Host: your.hostname
Accept: application/json
Content-Type: application/json
Content-Length: 240
Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f

{
    "notification_type": "create_subscription",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "user": {
        "id": "1234567",
        "name": "Xsolla User"
    },
    "subscription": {
        "plan_id": "b5dac9c8",
        "subscription_id": "10",
        "product_id": "Demo Product",
        "date_create": "2014-09-22T19:25:25+04:00",
        "date_next_charge": "2015-01-22T19:25:25+04:00",
        "trial": {
                "value": 90,
                "type": "day"
            }
    }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
        "notification_type": "create_subscription",
        "settings": {
           "project_id": 18404,
           "merchant_id": 2340
        },
        "user": {
            "id": "1234567",
            "name": "Xsolla User"
        },
        "subscription": {
            "plan_id": "b5dac9c8",
            "subscription_id": "10",
            "product_id": "Demo Product",
            "date_create": "2014-09-22T19:25:25+04:00",
            "date_next_charge": "2015-01-22T19:25:25+04:00",
            "trial": {
                    "value": 90,
                    "type": "day"
                }
        }
    }'

HTTP/1.1 204 No Content

POST /your/uri HTTP/1.1
Host: your.hostname
Accept: application/json
Content-Type: application/json
Content-Length: 240
Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f

{
    "notification_type": "update_subscription",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "user": {
        "id": "1234567",
        "name": "Xsolla User"
    },
    "subscription": {
        "plan_id": "b5dac9c8",
        "subscription_id": "10",
        "product_id": "Demo Product",
        "date_next_charge": "2015-01-22T19:25:25+04:00"
    }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
        "notification_type": "update_subscription",
        "settings": {
           "project_id": 18404,
           "merchant_id": 2340
        },
        "user": {
            "id": "1234567",
            "name": "Xsolla User"
        },
        "subscription": {
            "plan_id": "b5dac9c8",
            "subscription_id": "10",
            "product_id": "Demo Product",
            "date_next_charge": "2015-01-22T19:25:25+04:00"
        }
    }'

HTTP/1.1 204 No Content

POST /your/uri HTTP/1.1
Host: your.hostname
Accept: application/json
Content-Type: application/json
Content-Length: 240
Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f

{
    "notification_type": "cancel_subscription",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "user":{
        "id": "1234567",
        "name": "Xsolla User"
    },
    "subscription": {
        "plan_id": "b5dac9c8",
        "subscription_id": "10",
        "product_id": "Demo Product",
        "date_create": "2014-09-22T19:25:25+04:00",
        "date_end": "2015-01-22T19:25:25+04:00"
    }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
        "notification_type": "cancel_subscription",
        "settings": {
           "project_id": 18404,
           "merchant_id": 2340
        },
        "user": {
            "id": "1234567",
            "name": "Xsolla User"
        },
        "subscription": {
            "plan_id": "b5dac9c8",
            "subscription_id": "10",
            "product_id": "Demo Product",
            "date_create": "2014-09-22T19:25:25+04:00",
            "date_end": "2015-01-22T19:25:25+04:00"
        }
    }'

HTTP/1.1 204 No Content

POST /your/uri HTTP/1.1
Host: your.hostname
Accept: application/json
Content-Type: application/json
Content-Length: 240
Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f

{
    "notification_type": "get_pincode",
    "settings": {
       "project_id": 18404,
       "merchant_id": 2340
    },
    "user": {
        "id": "1234567",
        "name": "Xsolla User"
    },
    "pin_code": {
        "digital_content": "Game SKU",
        "DRM": "Steam"
    }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
        "notification_type": "get_pincode",
        "settings": {
           "project_id": 18404,
           "merchant_id": 2340
        },
        "user": {
            "id": "1234567",
            "name": "Xsolla User"
        },
        "pin_code": {
            "digital_content": "Game SKU",
            "DRM": "Steam"
        }
    }'

HTTP/1.1 200 OK
Content-Type: application/json
{
    "pin_code": "PIN_CODE"
}

POST /your_uri HTTP/1.1
Host: your.host
Accept: application/json
Content-Type: application/json
Content-Length: 165
Authorization: Signature 52eac2713985e212351610d008e7e14fae46f902

{
  "notification_type": "redeem_key",
  "settings": {
     "project_id": 18404,
     "merchant_id": 2340
  },
  "key": "wqdqwwddq9099022",
  "sku": "123",
  "user_id": "sample_user",
  "activation_date": "2018-11-20T08:38:51+03:00",
  "user_country": "EN",
  "restriction": {
      "name": "cls_1",
      "types": [
           "activation"
        ],
        "countries": [
             "RU"
        ]
  }
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
  "notification_type": "redeem_key",
  "settings": {
        "project_id": 18404,
        "merchant_id": 2340
  },
  "key": "wqdqwwddq9099022",
  "sku": "123",
  "user_id": "sample_user",
  "activation_date": "2018-11-20T08:38:51+03:00",
  "user_country": "EN",
  "restriction": {
      "name": "cls_1",
      "types": [
           "activation"
        ],
        "countries": [
             "RU"
         ]
    }
}'

HTTP/1.1 204 No Content

$ curl -v 'https://your.webhook.url?notification_type=friends_list&user=user_id&query=frien&offset=10&limit=20&sign=12dfg3f5gdsf4g5s6dfg2sdg1' \
-X GET \
-u merchant_id:merchant_api_key

[
  {
  "friends": [
      {
        "id": "1",
        "name": "John Carter",
        "email": "carter@xsolla.com",
        "image_url": "https://partner/link/doctor.jpg"
      },
      {
        "id": "2",
        "name": "John Smith",
        "email": "smith@xsolla.com",
        "image_url": "https://partner/link/cook.jpg"
      }
    ],
  "total": 10
  }
]

POST /your/uri HTTP/1.1
Host: your.hostname
Accept: application/json
Content-Type: application/json
Content-Length: 240
Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f

{
    "settings": {
        "project_id": 18404,
        "merchant_id": 2340
    },
    "virtual_currency_balance": {
        "old_value": "0",
        "new_value": "200",
        "diff": "200"
    },
    "user": {
        "name": "Xsolla User",
        "id": "1234567",
        "email": "email@example.com"
    },
    "transaction": {
        "id": "123456789",
        "date": "2015-05-19T15:54:40+03:00"
    },
    "operation_type": "payment",
    "notification_type": "user_balance_operation",
    "id_operation": "66989"
}

$ curl -v 'https://your.hostname/your/uri' \
-X POST \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' \
-H 'Authorization: Signature 13342703ccaca5064ad33ba451d800c5e823db8f' \
-d '{
        "settings": {
          "project_id": 18404,
          "merchant_id": 2340
        },
        "virtual_currency_balance": {
            "old_value": "0",
            "new_value": "200",
            "diff": "200"
        },
        "user": {
            "name": "Xsolla User",
            "id": "1234567",
            "email": "email@example.com"
        },
        "transaction": {
            "id": "123456789",
            "date": "2015-05-19T15:54:40+03:00"
        },
        "operation_type": "payment",
        "notification_type": "user_balance_operation",
        "id_operation": "66989"
    }'

HTTP/1.1 204 No Content