Is Postmark down in Japan?
Checks passingin Japan, measured from Tokyo
Our Tokyo probe last checked Postmark at Nov 5, 2026, 3:08 PM UTC and read checks passing.
Over the last 24 hours we completed 20 checks from Tokyo and 20 answered cleanly, 100.00% availability.
Of the 9 other regions we check Postmark from, all 9 read checks passing right now.
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What our Tokyo probe measured
Last checked Nov 5, 2026, 3:08 PM UTC.
Postmark from Tokyo over the last 30 days
Over the last 30 days, Postmark answered our Tokyo probe in 1,646 ms on average, and 1 check in 20 took longer than 2,114 ms.
Ranked by average response time across the 10 cities we check Postmark from, Tokyo 9th; Toronto was fastest at 619 ms and Sydney slowest at 1,861 ms.
From Tokyo we ran 1,337 checks of Postmark in 30 days, and 1,334 answered cleanly: 99.77% availability.
2 of the 30 days had at least one failed check. The weakest was Oct 27 (UTC), at 95.74% across 47 checks.
In Tokyo local time (GMT+9), Postmark was slowest around 10 AM, at 2,735 ms on average over the last 14 days, and quickest around 7 PM, at 1,958 ms.
| Day (UTC) | Checks | Availability | Average response |
|---|---|---|---|
| Thu, Nov 5 | 13 | 100.00% | 2,276 ms |
| Wed, Nov 4 | 21 | 100.00% | 2,220 ms |
| Tue, Nov 3 | 20 | 100.00% | 2,019 ms |
| Mon, Nov 2 | 38 | 100.00% | 2,059 ms |
| Sun, Nov 1 | 47 | 100.00% | 2,141 ms |
| Sat, Oct 31 | 48 | 100.00% | 2,078 ms |
| Fri, Oct 30 | 48 | 100.00% | 2,001 ms |
| Thu, Oct 29 | 48 | 100.00% | 2,067 ms |
| Wed, Oct 28 | 48 | 100.00% | 1,965 ms |
| Tue, Oct 27 | 47 | 95.74% | 2,195 ms |
| Mon, Oct 26 | 48 | 100.00% | 2,517 ms |
| Sun, Oct 25 | 48 | 100.00% | 2,173 ms |
| Sat, Oct 24 | 48 | 97.91% | 2,255 ms |
| Fri, Oct 23 | 48 | 100.00% | 2,310 ms |
Postmark outages measured from Japan
Our Tokyo probe measured no confirmed Postmark outage in the last 90 days.
How the other regions read right now
Of the 9 other regions we check Postmark from, all 9 read checks passing right now.
| Probe city | Right now | Last 24h |
|---|---|---|
| Ashburn | Checks passing | 100.00% of 48 checks |
| San Jose | Checks passing | 100.00% of 38 checks |
| Frankfurt | Checks passing | 100.00% of 33 checks |
| Chicago | Checks passing | 95.83% of 24 checks |
| Toronto | Checks passing | 100.00% of 24 checks |
| London | Checks passing | 100.00% of 24 checks |
| Singapore | Checks passing | 100.00% of 24 checks |
| Sydney | Checks passing | 100.00% of 24 checks |
| São Paulo | Checks passing | 100.00% of 24 checks |
Other countries we check Postmark from
How we measured this
Japan readings on this page come from RealUptime's own Tokyo probe against Postmark's public endpoints. They are not user reports, and they are not Postmark's own status page.
See Postmark's full check readings, the 90-day history by region, or the outage tracker methodology.
Check your own site from Tokyo
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