Statsig API
Statsig's REST API and SDKs for managing feature gates, dynamic configs, experiments, and layers — with built-in metrics and statistical analysis for measuring feature impact.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
TLS enforced on all endpoints. API keys have no fine-grained scope separation beyond client vs server. Secret key exposure would grant full project access. Recommend rotating keys regularly.
⚡ Reliability
Best When
You want a unified platform for feature flags and product experimentation with built-in statistical analysis and minimal setup overhead.
Avoid When
Your team needs full data sovereignty through self-hosting, or you have very basic on/off flag requirements without metrics.
Use Cases
- • Toggling feature gates programmatically in response to deployment or incident events
- • Creating and configuring A/B experiments with traffic allocation via API
- • Reading experiment results and statistical significance for automated reporting agents
- • Dynamic config management — pushing configuration changes to applications without redeployment
- • Logging custom events for metric collection and experiment analysis from agent workflows
Not For
- • Fully self-hosted feature flag management with no SaaS dependency (use Unleash or GrowthBook)
- • Simple boolean feature flags without experimentation needs (overkill for basic use)
- • Teams requiring HIPAA-compliant data storage without enterprise contract
Interface
Authentication
Server-side secret keys for management API and SDK initialization. Client-side keys for browser/mobile SDK use. Keys are project-scoped. Console API uses a separate console API key distinct from SDK keys.
Pricing
Generous free tier covers most startup and small-team use cases. Pricing scales with event volume. Pro adds advanced analytics, priority support, and higher limits.
Agent Metadata
Known Gotchas
- ⚠ SDK keys and Console API keys are different — agents using the management API must use the Console API key, not the SDK key
- ⚠ Feature gate evaluation happens client-side via SDK after rule download — REST API is only for management, not runtime evaluation
- ⚠ Experiment 'layers' are a Statsig-specific concept requiring understanding of layer vs experiment hierarchy before automating
- ⚠ Event logging is best-effort — Statsig may drop events under very high load; do not use for financial-grade audit logs
- ⚠ Rule conditions use Statsig's proprietary targeting DSL — agents must construct payloads matching their schema exactly
- ⚠ Changes to gates/experiments take up to 60 seconds to propagate to SDKs due to local caching
Alternatives
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Scores are editorial opinions as of 2026-03-07.