POST api/MerchantUser/InsertMerchantUser

{
  "merchant_user_id": 1,
  "merchant_user_role_id": 2,
  "username": "sample string 3",
  "first_name": "sample string 4",
  "last_name": "sample string 5",
  "email_address": "sample string 6",
  "contact_no": "sample string 7",
  "country_mobile_code": "sample string 8",
  "iso_code": "sample string 9",
  "password": "sample string 10",
  "lst_site_id": [
    "sample string 1",
    "sample string 2"
  ]
}

<SaveMerchantUserRequest xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/PozitivePaymentAPI.Models">
  <contact_no>sample string 7</contact_no>
  <country_mobile_code>sample string 8</country_mobile_code>
  <email_address>sample string 6</email_address>
  <first_name>sample string 4</first_name>
  <iso_code>sample string 9</iso_code>
  <last_name>sample string 5</last_name>
  <lst_site_id xmlns:d2p1="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
    <d2p1:string>sample string 1</d2p1:string>
    <d2p1:string>sample string 2</d2p1:string>
  </lst_site_id>
  <merchant_user_id>1</merchant_user_id>
  <merchant_user_role_id>2</merchant_user_role_id>
  <password>sample string 10</password>
  <username>sample string 3</username>
</SaveMerchantUserRequest>

Sample not available.