In general, custom metrics refers to any metrics that are not part of the regular integration suite, for example using custom checks or API-level metrics in your application stack.
custom metrics / hourfor the month.
The following standard integrations can potentially emit custom metrics.
Integrations limited to 350 custom metrics by default:
Integrations with no default limit:
For technical questions, contact Datadog support.
For billing questions, contact your Customer Success Manager.