curl --location 'https://stg.api.fire.rest/api/authentication/login' \
  --header 'x-api-key: <your_api_key>' \
  --header 'x-client-channel: integration' \
  --header 'account: <your_account_id>' \
  --header 'Content-Type: application/json' \
  --data '{
    "client_id": "<your_client_id>",
    "client_secret": "<your_client_secret>",
    "grant_type": "client_credentials"
  }'

{
  "accessToken": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9..."
}

{
  "error": {
    "code": "unauthorized",
    "message": "Invalid credentials"
  }
}