Stack Health Score
Score = 30-day uptime − penaltiesLatency >500ms: −2 | >1000ms: −5
Outages this month: −2 each
Degradations this month: −1 each
Uptime · Latency · Incidents
Probecast14 days freeKnow when your dependencies break. Before your users do.
Monitor GrowthBook API and 1,000+ APIs with Probecast and get alerted when something changes.
14 days free · 2-minute setup · Cancel anytime
100.00%
UptimePercentage of time the API was available.
Only DOWN status impacts this metric.
370ms
Avg Latency
1,000+
APIs monitored
0
Outages
0
Degradations
This Month
About GrowthBook's GrowthBook API
GrowthBook's GrowthBook API manages open-source feature flags and A/B tests with statistical analysis built in. GrowthBook was founded in 2020 as an open-source feature flagging and experimentation platform.. The GrowthBook API is used by developers worldwide for feature flags, A/B testing, experiment management, statistical analysis, staged rollouts.
Probecast monitors the GrowthBook API from 4 global regions (US West, US East, Europe, Asia Pacific) every 300 minutes, tracking uptime, latency and regional availability. Our real-time monitoring helps developers and teams understand the current health of GrowthBook's GrowthBook API and get alerted the moment service degrades.
Why monitor GrowthBook API?
If your product depends on GrowthBook API for critical features, an outage on GrowthBook's side is an outage on your product. Probecast detects GrowthBook API incidents as they start, giving you time to communicate with customers, fall back to alternative services or pause background jobs gracefully.
Current status
As of the latest check, GrowthBook API is operational. The 30-day uptime is 100.00%, with 0 incidents recorded this month. Average response latency across all regions is 370ms.
●Uptime History
Regional Status
US West
229ms
latency
US East
208ms
latency
Europe
263ms
latency
Asia Pacific
780ms
latency
Latency (24h)
GrowthBook API is one of 1,000+ services Probecast watches for you
Checking a status page during an incident means your users already noticed. Probecast flips that: it tells you first — and shows what the outage costs.
Checked from 4 regions
US West & East, Europe and Asia — a regional outage never hides.
Alerted the moment it degrades
Slack, email, Teams or webhooks — the moment it happens.
Your whole stack, one screen
1,000+ catalog APIs plus your own endpoints, websites and cron jobs.
Your business view: traffic & revenue
Google Analytics, Probecast Pixel, Stripe, Polar, Lemon Squeezy & more — beside your uptime.
14 days free · 2-minute setup · no DevOps team needed · cancel anytime during the trial
Frequently Asked Questions
Recent Incidents
No incidents recorded
This API has been stable
API Information
Monitored Endpoint
https://api.growthbook.io/api/v1/projects