curl --request GET \
  --url https://cloud.kaneo.app/api/invitation/{id} \
  --header 'Authorization: Bearer <token>'

{
  "valid": true,
  "invitation": {
    "id": "<string>",
    "email": "<string>",
    "workspaceName": "<string>",
    "inviterName": "<string>",
    "expiresAt": "<string>",
    "status": "<string>",
    "expired": true
  },
  "error": "<string>"
}