Configcat
Feature flag service for teams — manage releases, target users, and A/B test without redeploying code
| What is it | Feature flag service for teams — manage releases, target users, and A/B test without redeploying code |
|---|---|
| Pricing | Freemium |
| Free tier | Yes |
| Platform | Web Application |
| API | Yes |
| Works with | n8n |
| Best for | gradually rolling out new features to subsets of users, running A/B experiments to compare feature variations |
| Domain registered | 2018 |
Data updated Aug. 1, 2026
What does Configcat do?
Configcat is a hosted feature flag service that lets teams decouple feature releases from code deployments. Instead of merging code and hoping nothing breaks, you wrap new features in flags and turn them on from a dashboard — instantly, without another deploy. The tool supports user targeting based on attributes like region, email, or subscription level, plus percentage rollouts and A/B testing with variations. It's built for teams that want to ship faster and safer.
How it works: you integrate Configcat via one of its 25+ open-source SDKs — covering JavaScript, React, .NET, Java, Go, Python, iOS, Android, Unity, Unreal Engine, and more. Each SDK fetches flag configurations from Configcat's cloud service and evaluates them locally, so latency stays low. The dashboard gives you a clear view of all your flags, their targeting rules, and rollout percentages. You can also connect Configcat to your existing workflow through integrations with tools like GitHub Actions, Jira, Slack, Datadog, and Zapier. The documentation includes getting-started guides and code references for every SDK.
The tool is designed for software teams of any size — startups, mid-size companies, and enterprises. Product managers use it to gradually roll out features to specific user groups. Developers use it to test changes in production with minimal risk. Engineering teams use it to run canary releases and kill switches. Configcat offers a forever-free plan with no credit card required, and paid plans scale up for larger teams and higher traffic. Customer reviews on G2 and TrustRadius highlight the simplicity of the API and the responsiveness of support.
Key features
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