Live status · Email and SMS
Is Postmark down?
Up · checkedNo, Postmark is not down right now: postmarkapp.com answered our check at 18:06 UTC.
Postmark delivers transactional email for apps.
14-day free trial · Then free on 5 monitors · No credit card
Up
Postmark is up
postmarkapp.com answered our last check in 279 ms. No problems found.
- Last checked
- Response
- HTTP 200 · 279 ms
- Checked from
- London, New York and Stockholm
- Uptime since 19 Oct
- 100%
Postmark’s status page can’t be read automatically.
Status pageEmail me when Postmark goes down
One email when it looks down, one when it’s back. Free, no account: confirm by email, stop with one click.
//_01 User reports
Having problems with Postmark?
Tell us what isn’t working. Reports are anonymous and show up here within about a minute, so everyone can see whether Postmark is failing for others too.
What isn’t working?
Reports, last 24 hours
Per 15 minutes, in UTC
- Last hour
- 0
- Usually per hour
- 0
- Last 24 hours
- 0
No problems with Postmark reported in the last 24 hours.
//_02 Common problems
Postmark not working? Common problems and fixes
What usually helps when Postmark fails for you while it works for others.
Check postmarkapp.com from our serverGuides
Messages to an address are inactive
Postmark stops sending to addresses that bounced hard or complained. The activity shows which.
401 or 422 from the API
Check the server API token, and that the sender signature or domain is confirmed.
//_03 Last 24 hours
Postmark response time
How long postmarkapp.com took to answer our checks from London, New York and Stockholm, averaged per 15 minutes.
- Average
- 227 ms
- Slowest
- 360 ms
- Failed checks
- 0
//_04 Uptime
Postmark uptime, last 90 days
- 24 hours
- 100%
- Since 19 Oct
- 100%
//_05 Outages
Recent Postmark outages
Since we started checking Postmark on 19 Oct 2026, our checks every 2 minutes have not found Postmark down.
- Outages in our checks, since 19 Oct
- 0
- Downtime, since 19 Oct
- None
- Longest outage
- –
- Checked since
- 19 Oct 2026
Outage timeline
No outages of Postmark, in our checks or on its status page, since we started checking it on 19 Oct 2026.
Open on Postmark’s status page
Postmark publishes incidents on its own status page, which we link to above.
Every Postmark outage since our checks started, with start, end and duration, and an Atom feed for your reader or Slack.
Show Postmark’s status on your site
Want this for your own website?
Uptimecheck checks your site as often as every minute from Stockholm, London and New York, confirms every failure from a second location and alerts you by email, Slack, Microsoft Teams, Discord, Telegram, push or webhook, usually before your customers notice.
//_06 Is it just you?
Check any website right now
One request from our server in Stockholm: if it answers there, the problem is probably your network.
Checked from Stockholm, Sweden · Free, no sign-up
More on postmarkapp.com: SSL certificate · DNS records · email setup · domain expiry
About Postmark outages
Is Postmark down right now?
No, Postmark is not down right now: postmarkapp.com answered our check at 18:06 UTC.
When was Postmark last down?
Our checks haven’t found Postmark down since we started checking it on 19 Oct 2026.
How often does Postmark go down?
Since we started checking Postmark on 19 Oct 2026, our checks every 2 minutes have not found Postmark down.
How does Uptimecheck check Postmark?
We request https://postmarkapp.com/ every 2 minutes from London, New York and Stockholm. Any answer below HTTP 500 within 10 seconds counts as up, since large sites often answer automated requests with 403. A failure only counts once a second check confirms it.
What can I do when Postmark is down?
Check Postmark’s official status page for updates and try again in a few minutes. If postmarkapp.com works for us but not for you, try another network or browser, or clear your DNS cache. If your own product depends on Postmark, tell your customers on your status page before they email support.
Why is Postmark not working for me when it is up?
Our check shows that postmarkapp.com answers. Your own network, a VPN, browser extensions, an outdated app or a problem with your account can still break Postmark for you alone. The common problems on this page list what usually helps, and when many people report the same problem, it shows here.
Can I get an alert when Postmark goes down?
Postmark has no status page we can read, so bookmark this page. For your own websites and APIs, Uptimecheck checks as often as every minute and alerts you by email, Slack, Microsoft Teams, Discord, Telegram, push or webhook.
More Email and SMS services
All servicesKnow before your users ask.
Uptimecheck checks your own websites, APIs and cron jobs as often as every minute, confirms every failure from a second location and alerts you before your users start searching.
14-day free trial · Then free on 5 monitors · No credit card