curl --request POST \
  --url https://api2.rhombussystems.com/api/integrations/accessControl/getBoulevardIntegration \
  --header 'Content-Type: application/json' \
  --header 'x-auth-apikey: <api-key>' \
  --header 'x-auth-scheme: <x-auth-scheme>' \
  --data '{}'

{
  "error": true,
  "errorMsg": "<string>",
  "settings": {
    "accessWindowAfterMinutes": 123,
    "accessWindowBeforeMinutes": 123,
    "apiToken": "<string>",
    "boulevardBusinessId": "<string>",
    "boulevardLocationToRhombusLocationMap": {},
    "enabled": true,
    "integrationAuditMap": {},
    "orgUuid": "AAAAAAAAAAAAAAAAAAAAAA",
    "refreshToken": "<string>",
    "rhombusToken": "AAAAAAAAAAAAAAAAAAAAAA",
    "tokenValid": true,
    "userUuid": "AAAAAAAAAAAAAAAAAAAAAA"
  },
  "warningMsg": "<string>",
  "webhookUrl": "<string>"
}