curl --request POST \
  --url https://{defaultHost}/v1/auth/{app_id}/otps/login \
  --header 'Authorization: Bearer <token>' \
  --header 'X-Authorization: <api-key>'

{
  "otp": {
    "success": true,
    "sent_at": "2023-11-07T05:31:56Z",
    "id": "<string>"
  },
  "user_id": "<string>",
  "user_meta_errors": {}
}