About
Flagsmith is a fully supported open-source feature flag, remote config, and A/B testing service. Use our hosted API, deploy to your own private cloud, or run on-premise.
Create and manage feature flags across web, mobile, and server-side applications. Wrap a section of code with a flag, and then use Flagsmith to toggle that feature on or off for different environments, users, or user segments.
Feature flags – Release features with phased rollouts and instant rollback capabilities.
Remote config – Toggle individual features on and off, and make changes without deploying new code.
A/B and multivariate testing – Use segments to run A/B and multivariate tests on new features. Introduce beta programs to get early user feedback.
Organization management – Projects, and roles for team members help keep your deployment organized.
Integrations – Connect to your favorite tools.
MCP and CLI – Set up automated feature management workflows controlled by your AI agents
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About
🛍️ In e-commerce, every minute of a broken checkout equals lost revenue. Most monitoring tools alert you after customers are already frustrated. PathCanary changes that.
It runs real browser tests 24/7 (via Playwright), flags anomalies instantly, and can even perform an Assisted Rollback — opening revert PRs/MRs on GitHub or GitLab, or toggling feature flags on LaunchDarkly, Optimizely, or ConfigCat.
The result? Hours of downtime reduced to minutes.
In one real scenario: without PathCanary, a hidden checkout bug cost ~$15,000 in three hours. With PathCanary, the platform detected the issue in minutes, auto-triggered a rollback, and restored functionality — limiting losses to just ~$580.
🔒 For compliance-driven teams: Self-Hosted Runners, HMAC-signed security, full audit logs, and zero inbound ports.
⚙️ Benefits include 92% faster incident resolution, 80% fewer customer complaints, and dramatically less on-call fatigue.
👉 Turn your production into a self-healing system.
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Platforms Supported
Windows
Supported
Mac
Not Supported
Linux
Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Organizations that need a feature management and A/B testing solution
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Audience
Companies that need to monitor their checkout flows
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$45/month
Up to 50,000 Requests Per Month*
1 Team Member Unlimited Feature Flags Unlimited Environments Unlimited Identities and Segments API Access
Free Version
Supported
Free Trial
Supported
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Pricing
$79
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Pros from Real UsersPros
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationFlagsmith
Founded: 2018
United Kingdom
www.flagsmith.com
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Company InformationPathCanary
Founded: 2025
Europe
pathcanary.com
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Alternatives |
Alternatives |
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CategoriesFlagsmith is the bucketing engine for your experiments. Your analytics stack stays where it is. Create a multivariate flag, define variants with percentage weights, and Flagsmith splits traffic deterministically. Bucketing is calculated per identity, so a user gets the same variant on every evaluation until you change the weights. Use segments to restrict a test to the users you want to target: a plan tier, a region, or a beta cohort. And you can use the same mechanism to run beta programmes for early feedback. Flagsmith does not collect events or compute significance. Instead, send the variant name to the analytics platform you already use. Flagsmith has built in integrations for Amplitude, Mixpanel, Segment, Heap and Rudderstack, or push to your own pipeline over webhooks. One source of truth for metrics instead of two. Works the same on our cloud, your private cloud, or on-premise. Wrap a feature in a flag, ship the code, and decide later who sees it. The same flag can hold a different state in each environment, so nothing has to be redeployed to change behaviour in production. Targeting capabilities include boolean flags, multivariate flags, remote config values, identities with traits, segments built from rules on those traits, and percentage rollouts for canary releases. For evaluation, Flagsmith supports server-side SDKs run in local evaluation mode, resolving flags in-process with no network call per check. The Edge API serves client and mobile SDKs from the nearest geographical region. Offline mode covers environments with no outbound connectivity. 15+ open source SDKs, including TypeScript, Python, Java, C#, Go, Ruby, PHP, Swift, Kotlin and Flutter. Governance features include audit logs, role-based access control, change requests with approvals, scheduled changes, SAML SSO and SCIM provisioning. Automation is possible using the REST API, Terra |
Categories |
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AB Testing Features
Audience Targeting
Supported
Campaign Segmentation
Supported
Funnel Analysis
Not Supported
Heatmaps
Not Supported
Landing Pages / Web Forms
Supported
Multivariate Testing
Supported
Split Testing
Supported
Statistical Relevance Analysis
Not Supported
Surveys
Not Supported
Test Scheduling
Not Supported
Visual Editor
Not Supported
Configuration Management Features
Access Control / Permissions
Supported
Application Deployment
Not Supported
Automated Provisioning
Not Supported
Infrastructure Automation
Not Supported
Node Management
Not Supported
Orchestration
Not Supported
Reporting Analytics / Visualization
Not Supported
Task Management
Not Supported
Continuous Delivery Features
Application Lifecycle Management
Not Supported
Application Release Automation
Not Supported
Build Automation
Not Supported
Build Log
Not Supported
Change Management
Not Supported
Configuration Management
Not Supported
Continuous Deployment
Supported
Continuous Integration
Supported
Feature Toggles / Feature Flags
Supported
Quality Management
Not Supported
Testing Management
Not Supported
DevOps Features
Approval Workflow
Not Supported
Dashboard
Supported
KPIs
Not Supported
Policy Management
Not Supported
Portfolio Management
Not Supported
Prioritization
Not Supported
Release Management
Supported
Timeline Management
Not Supported
Troubleshooting Reports
Not Supported
Feature Management Features
A/B Testing
Supported
Entitlement Management
Not Supported
Feature Alerts
Supported
Feature Flag / Toggle
Supported
Feature Rollout Management
Supported
Kill Switch
Supported
KPI Monitoring
Not Supported
Multivariate Testing
Supported
Product Experimentation
Supported
Whitelist Creation
Supported
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Application Performance Monitoring (APM) Features
Baseline Manager
Not Supported
Diagnostic Tools
Supported
Full Transaction Diagnostics
Not Supported
Performance Control
Supported
Resource Management
Not Supported
Root-Cause Diagnosis
Not Supported
Server Performance
Supported
Trace Individual Transactions
Not Supported
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Integrations
GitHub
Supported
Adobe Analytics
Supported
Amplitude
Supported
Dynatrace
Supported
Elestio
Supported
GitLab
Not Supported
Heap
Supported
Jira
Supported
Kubernetes
Supported
New Relic
Supported
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Integrations
GitHub
Supported
Adobe Analytics
Not Supported
Amplitude
Not Supported
Dynatrace
Not Supported
Elestio
Not Supported
GitLab
Supported
Heap
Not Supported
Jira
Not Supported
Kubernetes
Not Supported
New Relic
Not Supported
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