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 Buttondown API?
Get alerted the moment Buttondown API degrades — before your users notice. Monitor it alongside your whole stack, free for 30 days.
99.91%
UptimePercentage of time the API was available.
Only DOWN status impacts this metric.
363ms
Avg Latency
1,000+
APIs monitored
1
Outages
0
Degradations
This Month
About Buttondown's Buttondown API
Buttondown's Buttondown API manages newsletter subscriptions, campaigns, and subscriber data via Buttondown. Buttondown was founded in 2017 as a simple, privacy-friendly newsletter tool for writers.. The Buttondown API is used by developers worldwide for newsletter sending, subscriber management, email archives, automation, paid subscriptions.
Probecast monitors the Buttondown 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 Buttondown's Buttondown API and get alerted the moment service degrades.
Why monitor Buttondown API?
If your product depends on Buttondown API for critical features, an outage on Buttondown's side is an outage on your product. Probecast detects Buttondown 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, Buttondown API is operational. The 30-day uptime is 99.91%, with 1 incident recorded this month. Average response latency across all regions is 363ms.
●Uptime History
Regional Status
US West
114ms
latency
US East
119ms
latency
Europe
478ms
latency
Asia Pacific
740ms
latency
Latency (24h)
Buttondown 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.
2-minute setup · no DevOps team needed · cancel anytime during the trial
Frequently Asked Questions
Recent Incidents
API Information
Monitored Endpoint
https://api.buttondown.email/v1/subscribers