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
ProbecastFreeKnow when your dependencies break. Before your users do.
Monitor SMTP.com and 1,000+ APIs with Probecast and get alerted when something changes.
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100.00%
UptimePercentage of time the API was available.
Only DOWN status impacts this metric.
510ms
Avg Latency
1,000+
APIs monitored
0
Outages
0
Degradations
This Month
About SMTP.com's SMTP.com
SMTP.com's SMTP.com sends and tracks transactional and bulk email through SMTP.com. SMTP.com is an email delivery service for businesses. The SMTP.com is used by developers worldwide for transactional email, bulk email, email tracking, deliverability.
Probecast monitors the SMTP.com 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 SMTP.com's SMTP.com and get alerted the moment service degrades.
Why monitor SMTP.com?
If your product depends on SMTP.com for critical features, an outage on SMTP.com's side is an outage on your product. Probecast detects SMTP.com 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, SMTP.com is operational. The 30-day uptime is 100.00%, with 0 incidents recorded this month. Average response latency across all regions is 510ms.
●Uptime History
Regional Status
US West
414ms
latency
US East
408ms
latency
Europe
304ms
latency
Asia Pacific
915ms
latency
Latency (24h)
SMTP.com 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.
2-minute setup · no DevOps team needed
Frequently Asked Questions
Recent Incidents
No incidents recorded
This API has been stable
API Information
Monitored Endpoint
https://api.smtp.com/v4/stats