Deprecation of the Insecure Hedera Consensus Service (HCS) Mirror Node Endpoints

Scheduled Maintenance Report for Hedera

Completed

The scheduled maintenance has been completed.

Posted Aug 20, 2025 - 19:00 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Posted Aug 20, 2025 - 15:00 UTC

Scheduled

⚠ Final Deprecation Notice:
Legacy HCS mirror node endpoints will be permanently shut down on August 20th. Immediate action is required to maintain connectivity.

Full details →

Posted Jun 11, 2025 - 15:22 UTC

This scheduled maintenance affected: Hedera Mirror Node Previewnet (v0.162.0) (Mirror Node HCS gRPC Previewnet), Hedera Mirror Node Mainnet (v0.161.1) (Mirror Node HCS gRPC Mainnet), and Hedera Mirror Node Testnet (v0.162.0) (Mirror Node HCS gRPC Testnet).