Checks API support for Marketplace integration providers
Marketplace integration providers can now use the Checks API to define and run custom tests after every deployment, surfacing results directly in the Vercel dashboard. This enables testing providers to deliver reliability, performance, and Web Vitals checks to help developers catch issues earlier in their workflow.
Providers building native integrations for the can now use the to deliver deeper functionality for their users.Vercel MarketplaceChecks API
With Vercel's Checks API, you can define and run custom tests and assertions after every deployment, then surface actionable results directly in the Vercel dashboard.
As a testing provider, you can implement checks such as reliability tests (e.g. API availability, runtime errors), performance tests (e.g. response time thresholds, load simulation), or Web Vitals (e.g. layout shift). This helps developers catch real-world issues earlier in their workflow, powered by your integration.
When building your integration, keep these best practices in mind:
Learn more in the .Checks API documentation
Offer minimal or no-configuration solutions so developers can easily run checks
Provide a guided onboarding experience from installation to first results
Display clear, actionable outcomes directly in the Vercel dashboard
Document ways to extend or customize checks for advanced users
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