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Monitoring & Alerting

Validators expose metrics on the port number specified by the argument --metrics. Port 9090 is the default, though any valid port can be chosen.


If running as a Docker image, make sure to port-forward the metrics endpoint port. For, instance, to forward port 9090 on the local port 80, add the following flag to your docker run command: -p 9090:80


  • the hyperlane_latest_checkpoint is the most critical metric in both the phase="validator_observed" and phase="validator_processed" dimension. It should gradually increase and the two should never really be out of sync.
  • another useful metric is hyperlane_block_height which indicates the blockheight of the rpc node the validator is connected to