The use of the Invantive Cloud website itself is not mandatory. Use of the database via Invantive Bridge Online, Invantive App Online, Invantive UniversalSQL Server, Invantive MCP Server, or Invantive Credentials Server should be sufficient to keep the database running.
Can you check in the Invantive Cloud database that the “last opened” date is updated when you use the database from Invantive Data Hub with Invantive Credentials Server?