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
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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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
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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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
Free Trial
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Pricing
$79
Free Version
Free Trial
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Reviews/
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Reviews/
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Pros from Real UsersPros
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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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 |
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AB Testing Features
Audience Targeting
Campaign Segmentation
Funnel Analysis
Heatmaps
Landing Pages / Web Forms
Multivariate Testing
Split Testing
Statistical Relevance Analysis
Surveys
Test Scheduling
Visual Editor
Configuration Management Features
Access Control / Permissions
Application Deployment
Automated Provisioning
Infrastructure Automation
Node Management
Orchestration
Reporting Analytics / Visualization
Task Management
Continuous Delivery Features
Application Lifecycle Management
Application Release Automation
Build Automation
Build Log
Change Management
Configuration Management
Continuous Deployment
Continuous Integration
Feature Toggles / Feature Flags
Quality Management
Testing Management
DevOps Features
Approval Workflow
Dashboard
KPIs
Policy Management
Portfolio Management
Prioritization
Release Management
Timeline Management
Troubleshooting Reports
Feature Management Features
A/B Testing
Entitlement Management
Feature Alerts
Feature Flag / Toggle
Feature Rollout Management
Kill Switch
KPI Monitoring
Multivariate Testing
Product Experimentation
Whitelist Creation
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Application Performance Monitoring (APM) Features
Baseline Manager
Diagnostic Tools
Full Transaction Diagnostics
Performance Control
Resource Management
Root-Cause Diagnosis
Server Performance
Trace Individual Transactions
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Integrations
GitHub
Adobe Analytics
Amplitude
ClickHouse
Datadog
Dynatrace
Elestio
Heap
Kubernetes
Mixpanel
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Integrations
GitHub
Adobe Analytics
Amplitude
ClickHouse
Datadog
Dynatrace
Elestio
Heap
Kubernetes
Mixpanel
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