const response = await fetch('/api/InvitationEmail/invite', {
    method: 'POST',
    headers: {
      "Content-Type": "application/json; api-version=1.0"
    },
    body: JSON.stringify({
      "recipients": "text"
    }),
});
const data = await response.json();

{
  "type": "text",
  "title": "text",
  "detail": "text",
  "instance": "text"
}

const response = await fetch('/api/InvitationEmailSettings', {
    method: 'GET',
    headers: {},
});
const data = await response.json();

{
  "targetDeviceLst": [
    [
      "0 = Windows",
      "2 = Linux",
      "3 = Mac",
      "4 = iOS",
      "5 = Android",
      "6 = ChromeApp",
      "7 = HTML5"
    ]
  ],
  "connMode": [
    "0 = Gateway",
    "1 = Direct",
    "2 = GatewaySSL",
    "3 = DirectSSL"
  ],
  "pubGatewayIP": "text",
  "email": "text",
  "sso": "text",
  "ssoEnabled": false,
  "authType": [
    "0 = Credentials",
    "1 = SSO",
    "2 = SmartCard",
    "3 = Web"
  ]
}

const response = await fetch('/api/InvitationEmailSettings', {
    method: 'PUT',
    headers: {
      "Content-Type": "application/json; api-version=1.0"
    },
    body: JSON.stringify({}),
});
const data = await response.json();

{
  "type": "text",
  "title": "text",
  "detail": "text",
  "instance": "text"
}