Custom metrics are now supported in Vercel Observability
Vercel adds custom metrics to Observability — now you can emit and analyze your own data alongside built-in dashboards.
Why it matters
Vercel Functions developers can now instrument custom business logic (latency, events, KPIs) natively without external observability platforms, tightening the feedback loop between code and operations.
The key facts
11 to knowCustom metrics available via metric() function from @vercel/functions package
Metrics support filtering, grouping, and aggregation via Query builder
Dashboards and Notebooks support custom metric visualization
CLI access via 'vc metrics' command
Billed as observability events on Pro and Enterprise with Observability Plus tier
Auto-attached attributes: deployment source, function region
Metrics queryable through Query builder, Notebooks, and CLI (vc metrics command)
Automatic attributes: source deployment, function region
Billed as observability events
Available on Pro and Enterprise tiers with Observability Plus
Metrics can be filtered, aggregated, and visualized in dashboards
Go to the source
Vercel Blogvercel.com
Publisher excerpt: You can now emit your own metrics directly from your Vercel Functions and analyze them alongside Vercel's built-in observability data. Use the function from the package to record any value you care about, like request latency or business events, and attach attributes to filter and group…