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Customer.io Uptime Monitor

Say more, more powerfully

Operational All systems running normally
Last checked:

Last 30 Days Performance

Average Uptime

100%

Based on 30-day monitoring period

Average Response Time

134.93ms

Mean response time across all checks

Daily Status Overview

Hover for details
100.0% - Mar 26
100.0% - Mar 27
100.0% - Mar 28
100.0% - Mar 29
100.0% - Mar 30
100.0% - Mar 31
100.0% - Apr 01
100.0% - Apr 02
100.0% - Apr 03
100.0% - Apr 04
100.0% - Apr 05
100.0% - Apr 06
100.0% - Apr 07
100.0% - Apr 08
100.0% - Apr 09
100.0% - Apr 10
100.0% - Apr 11
100.0% - Apr 12
100.0% - Apr 13
100.0% - Apr 14
100.0% - Apr 15
100.0% - Apr 16
100.0% - Apr 17
100.0% - Apr 18
100.0% - Apr 19
100.0% - Apr 20
100.0% - Apr 21
100.0% - Apr 22
100.0% - Apr 23
100.0% - Apr 24
100%
50-99%
<50%

Historical Performance

Dec-2025

Monthly Uptime

99.31%

Monthly Response Time

319ms

Daily Status Breakdown
95.8% - Dec 18
95.8% - Dec 17
100.0% - Dec 16
100.0% - Dec 15
100.0% - Dec 14
100.0% - Dec 13
95.8% - Dec 12
100.0% - Dec 11
100.0% - Dec 10
100.0% - Dec 09
100.0% - Dec 08
100.0% - Dec 07
100.0% - Dec 06
100.0% - Dec 05
100.0% - Dec 04
100.0% - Dec 03
100.0% - Dec 02
100.0% - Dec 01

Nov-2025

Monthly Uptime

97.83%

Monthly Response Time

291ms

Daily Status Breakdown
100.0% - Nov 30
100.0% - Nov 29
100.0% - Nov 28
100.0% - Nov 27
100.0% - Nov 26
100.0% - Nov 25
100.0% - Nov 24
100.0% - Nov 23
100.0% - Nov 22
100.0% - Nov 21
100.0% - Nov 20
95.8% - Nov 19
39.1% - Nov 18
100.0% - Nov 17
100.0% - Nov 16
100.0% - Nov 15
100.0% - Nov 14
100.0% - Nov 13
100.0% - Nov 12
100.0% - Nov 11
100.0% - Nov 10
100.0% - Nov 09
100.0% - Nov 08
100.0% - Nov 07
100.0% - Nov 06
100.0% - Nov 05
100.0% - Nov 04
100.0% - Nov 03
100.0% - Nov 02
100.0% - Nov 01

Oct-2025

Monthly Uptime

100%

Monthly Response Time

271ms

Daily Status Breakdown
100.0% - Oct 31
100.0% - Oct 30
100.0% - Oct 29
100.0% - Oct 28
100.0% - Oct 27
100.0% - Oct 26
100.0% - Oct 25
100.0% - Oct 24
100.0% - Oct 23
100.0% - Oct 22
100.0% - Oct 21
100.0% - Oct 20
100.0% - Oct 19
100.0% - Oct 18
100.0% - Oct 17
100.0% - Oct 16
100.0% - Oct 15
100.0% - Oct 14
100.0% - Oct 13
100.0% - Oct 12
100.0% - Oct 11
100.0% - Oct 10
100.0% - Oct 09
100.0% - Oct 08
100.0% - Oct 07
100.0% - Oct 06
100.0% - Oct 05
100.0% - Oct 04
100.0% - Oct 03
100.0% - Oct 02
100.0% - Oct 01

Sep-2025

Monthly Uptime

100%

Monthly Response Time

129ms

Daily Status Breakdown
100.0% - Sep 30
100.0% - Sep 29
100.0% - Sep 28
100.0% - Sep 27
100.0% - Sep 26
100.0% - Sep 25
100.0% - Sep 24
100.0% - Sep 23
100.0% - Sep 22
100.0% - Sep 21
100.0% - Sep 20
100.0% - Sep 19
100.0% - Sep 18
100.0% - Sep 17
100.0% - Sep 16
100.0% - Sep 15
100.0% - Sep 14
100.0% - Sep 13
100.0% - Sep 12
100.0% - Sep 11
100.0% - Sep 10
100.0% - Sep 09
100.0% - Sep 08
100.0% - Sep 05
100.0% - Sep 04
100.0% - Sep 03
100.0% - Sep 02
100.0% - Sep 01

Aug-2025

Monthly Uptime

99.87%

Monthly Response Time

141ms

Daily Status Breakdown
100.0% - Aug 31
100.0% - Aug 30
100.0% - Aug 29
100.0% - Aug 28
100.0% - Aug 27
100.0% - Aug 26
100.0% - Aug 25
100.0% - Aug 24
100.0% - Aug 23
100.0% - Aug 22
100.0% - Aug 21
95.8% - Aug 20
100.0% - Aug 19
100.0% - Aug 18
100.0% - Aug 17
100.0% - Aug 16
100.0% - Aug 15
100.0% - Aug 14
100.0% - Aug 13
100.0% - Aug 12
100.0% - Aug 11
100.0% - Aug 10
100.0% - Aug 09
100.0% - Aug 08
100.0% - Aug 07
100.0% - Aug 06
100.0% - Aug 05
100.0% - Aug 04
100.0% - Aug 03
100.0% - Aug 02
100.0% - Aug 01

Jul-2025

Monthly Uptime

99.84%

Monthly Response Time

126ms

Daily Status Breakdown
100.0% - Jul 31
100.0% - Jul 30
100.0% - Jul 29
95.0% - Jul 28
100.0% - Jul 27
100.0% - Jul 26
100.0% - Jul 25
100.0% - Jul 24
100.0% - Jul 23
100.0% - Jul 22
100.0% - Jul 21
100.0% - Jul 20
100.0% - Jul 19
100.0% - Jul 18
100.0% - Jul 17
100.0% - Jul 16
100.0% - Jul 15
100.0% - Jul 14
100.0% - Jul 13
100.0% - Jul 12
100.0% - Jul 11
100.0% - Jul 10
100.0% - Jul 09
100.0% - Jul 08
100.0% - Jul 07
100.0% - Jul 06
100.0% - Jul 05
100.0% - Jul 04
100.0% - Jul 03
100.0% - Jul 02
100.0% - Jul 01

Jun-2025

Monthly Uptime

99.86%

Monthly Response Time

141ms

Daily Status Breakdown
100.0% - Jun 30
100.0% - Jun 29
100.0% - Jun 28
100.0% - Jun 27
100.0% - Jun 26
100.0% - Jun 25
97.9% - Jun 24
100.0% - Jun 23
100.0% - Jun 22
100.0% - Jun 21
100.0% - Jun 20
100.0% - Jun 19
100.0% - Jun 18
100.0% - Jun 17
100.0% - Jun 16
100.0% - Jun 15
100.0% - Jun 14
100.0% - Jun 13
100.0% - Jun 12
100.0% - Jun 11
100.0% - Jun 10
100.0% - Jun 09
97.9% - Jun 08
100.0% - Jun 07
100.0% - Jun 06
100.0% - Jun 05
100.0% - Jun 04
100.0% - Jun 03
100.0% - Jun 02
100.0% - Jun 01

May-2025

Monthly Uptime

100%

Monthly Response Time

126ms

Daily Status Breakdown
100.0% - May 31
100.0% - May 30
100.0% - May 29
100.0% - May 28
100.0% - May 27
100.0% - May 26
100.0% - May 25
100.0% - May 24
100.0% - May 23
100.0% - May 22
100.0% - May 21
100.0% - May 20
100.0% - May 19
100.0% - May 18
100.0% - May 17
100.0% - May 16
100.0% - May 15
100.0% - May 14
100.0% - May 13
100.0% - May 12
100.0% - May 11
100.0% - May 10
100.0% - May 09
100.0% - May 08
100.0% - May 07
100.0% - May 06
100.0% - May 05
100.0% - May 04
100.0% - May 03
100.0% - May 02
100.0% - May 01

Apr-2025

Monthly Uptime

100%

Monthly Response Time

160ms

Daily Status Breakdown
100.0% - Apr 30
100.0% - Apr 29
100.0% - Apr 28
100.0% - Apr 27
100.0% - Apr 26
100.0% - Apr 25

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