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ConfigCat

ConfigCat is a feature flag service with unlimited seats, awesome support, and a reasonable price tag.·configcat.com

ConfigCat is a hosted feature flag and remote configuration management service for software teams. It lets teams turn features on or off from a dashboard even after code has been deployed, and target users by region, email, subscription, or any custom attribute. It supports percentage rollouts, A/B testing, and variations, and provides a public management API plus open source SDKs for integrating feature flags into web, mobile, desktop, and backend applications.

What it's for

Separate marketing releases from code deploymentsSoft launches, canary releases, phased roll-outsRapid disaster recovery with emergency kill switchesUser targeting and segmentation by region, email domain, or custom attributesA/B testing on real usersDark launching new features to colleagues or early adopters firstFeature management with canary releases and percentage-based rolloutsRemote configuration management for string, number, and text variables

Features 17

256-bit rotating SDK Key
A/B testing and variations
Audit log with retention settings
Client-side evaluation so user data never leaves the customer's system
ConfigCat MCP Server for managing flags from AI tools and editors
Feature flag changes take effect without redeploying code
Integrations with third-party developer and analytics tools
On/off feature flag toggling via dashboard
Open source SDKs for many languages and platforms
Percentage-based rollouts
Plan Calculator to help choose a pricing tier
Public Management API
Remote configuration management for string, number, and text values
SSO, SAML, 2FA, and SCIM user provisioning
Tech debt tools
User targeting and segmentation by region, email, subscription, or custom attributes
Webhooks

At a glance

free tierself-hostableAPI

TypeWeb app

DeploymentHybrid

PlatformsWeb

Forsoftware development teams, product managers, DevOps engineers, site reliability engineers, students, teachers

CompanyConfigCat

Integrations

AmplitudeBitbucketBitriseCircleCIDatadogGitHubGitLabGoogle AnalyticsJetBrainsJiraMixpanelmondaySlackTerraformTrelloTwilioSegmentVSCodeZapierZoho

Complianceself-reported

GDPRISO 27001:2022

Resources

Docs

Pricing

Prices can also be displayed in EUR, GBP, or AUD via a currency toggle, and a monthly/annual billing toggle exists, but annual rates are not shown in the captured pricing figures. Tailored education plans for students and teachers are mentioned without published prices.

Forever FreeFree

No credit card required

10 Feature Flags, 2 Environments, 2 Products, 20GB/mo network traffic, 5 million config JSON downloads/mo, 99% uptime SLA

Pro$110/mo

100 Feature Flags, 3 Environments, 3 Products, 3 segments/product, 8 targeting rules/flag, 8% options/flag, 2 permission groups with unlimited team members, 3 webhooks, 35-day audit log retention, Standard support, 1 tree planted

100 Feature Flags, 3 Environments, 3 Products, 100GB/mo network traffic, 25 million config JSON downloads/mo, 99.9% uptime SLA

Smart$325/mo

Unlimited Feature Flags, Unlimited Environments, 10 Products, Unlimited segments, targeting rules & % options, Unlimited permission groups with unlimited team members, SSO, SAML, 2FA, SCIM, Unlimited webhooks, 35-day audit log retention, Standard support, 10 trees planted

10 Products, 1TB/mo network traffic, 250 million config JSON downloads/mo, 99.95% uptime SLA

Enterprise$900/mo

Plans with premium support

Unlimited Feature Flags, Environments and Products, 4TB/mo network traffic, 1 billion config JSON downloads/mo, 99.99% uptime SLA

Dedicated$4500/mo

Private cloud managed by you or by ConfigCat; hosted or on-premise; sign-up via 'Contact Us'

24TB/mo network traffic, 6 billion+ config JSON downloads/mo, 99.99% uptime SLA