Behind the Site

Sentry

sentry.io

Developer platform for error tracking, performance monitoring, and AI-assisted debugging of production software.

  • Developer tools
  • active
  • Founded 2011
  • Researched Sep 2026
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Age15 years
Confirmed
Based inSan Francisco, USAlso Seattle, WA, US, Toronto, ON, Canada, Vienna, Austria
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Employees200-500About page states the company has '200+ employees in four offices worldwide'
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Funding$217M raised
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PlatformsWeb, API
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Founders2 foundersDavid Cramer, Chris Jennings

The story

Sentry is operated by Functional Software, Inc., founded in 2011 by David Cramer and Chris Jennings out of an open-source error-tracking project. The company has raised $217M across six funding rounds, acquired code-coverage provider Codecov in 2022, and now runs a broad observability platform (error monitoring, tracing, session replay, AI debugging) used by hundreds of thousands of organizations from offices in San Francisco, Seattle, Toronto, and Vienna.

Timeline

  1. Founded2011

    Company founded

    Founded by David Cramer and Chris Jennings out of an open-source project.

  2. AcquiredDec 2022

    Acquired Codecov

    Bought VC-backed code coverage provider Codecov.

Founders

  • David Cramer

    Co-founder

    Started Sentry as an open-source error-tracking project.

  • Chris Jennings

    Co-founder

    Listed as Sentry co-founder in company organization data.

5 sourcesEvery fact above links back to these.
  1. Application Performance Monitoring & Error Tracking Software | Sentry (homepage, incl. JSON-LD Organization data)sentry.io
  2. About Sentry | Sentrysentry.io
  3. App Monitoring Toolmaker Sentry Acquires Code Coverage Provider Codecovadtmag.com
  4. Sentry Buys Codecovfinsmes.com
  5. Sentry acquires VC-backed Codecovpitchbook.com
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