const url = `https://crm.testdomen.ru/rest/${idAuth}/${keyAuth}/crm.lead.add.json`;

fetch(url, {
      method: 'post',
      headers: {
        'Accept': 'application/json',
        'Content-Type': 'application/json'
      },
      body: JSON.stringify({
        fields: data.fields
      })
    })
    .then(function (response) {
      loader.classList.add("hiden");
      success.classList.remove("hiden");
      return console.log('Request succeeded', response.json());
    })
    .catch(function (error) {
      loader.classList.add("hiden");
      fail.classList.remove("hiden");
      console.log('Request failed', error);
    });
};

let data = {
  fields: {
    TITLE: "",
    NAME: "",
    STATUS_ID: "20",
    OPENED: "20",
    LAST_NAME: "",
    SOURCE_ID: "",
    POST: "",
    BIRTHDATE: "",
    UF_CRM_KOMMENTARII: '',
    UF_CRM_1545200238: '216', // тип лида
    PHONE: [{
      VALUE: "",
      VALUE_TYPE: "WORK"
    }],
    EMAIL: [{
      VALUE_TYPE: "WORK",
      VALUE: "",
    }],
    WEB: [{
      VALUE_TYPE: "WORK",
      VALUE: "",
    }]
  },
  params: {
    "REGISTER_SONET_EVENT": "Y"
  }
}