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
Does your product depend on What3Words API?
Get alerted the moment What3Words API degrades — before your users notice. Monitor it alongside your whole stack, free for 30 days.
100.00%
UptimePercentage of time the API was available.
Only DOWN status impacts this metric.
151ms
Avg Latency
1,000+
APIs monitored
0
Outages
0
Degradations
This Month
About What3Words's What3Words API
What3Words's What3Words API converts between coordinates and three-word addresses. what3words is a location system dividing the world into three-metre squares. The What3Words API is used by developers worldwide for addressing, geocoding, location sharing, navigation.
Probecast monitors the What3Words 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 What3Words's What3Words API and get alerted the moment service degrades.
Why monitor What3Words API?
If your product depends on What3Words API for critical features, an outage on What3Words's side is an outage on your product. Probecast detects What3Words API incidents before your users do, giving you time to communicate with customers, fall back to alternative services or pause background jobs gracefully.
Current status
As of the latest check, What3Words API is operational. The 30-day uptime is 100.00%, with 0 incidents recorded this month. Average response latency across all regions is 151ms.
●Uptime History
Regional Status
US West
217ms
latency
US East
91ms
latency
Europe
35ms
latency
Asia Pacific
261ms
latency
Latency (24h)
What3Words 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 — before your users notice.
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.
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Frequently Asked Questions
Recent Incidents
No incidents recorded
This API has been stable
API Information
Monitored Endpoint
https://api.what3words.com/v3/available-languages?key=invalid