THIS IS A SCHEDULED EVENT Oct <var data-var='date'>16</var>, <var data-var='time'>14:00</var> - <var data-var='time'>22:00</var> PDT Jul <var data-var='date'>29</var>, <var data-var='time'>00:27</var> PDT Scheduled - Twilio will perform scheduled network maintenance in our IE1 region during an 8-hour window from 16 October 2026 at 14:00 PDT to 16 October 2026 at 22:00 PDT. During this window, customers may experience a brief service interruption of up to 90 seconds affecting the following: Interconnected Customers: All IE1 interconnected customers will experience a brief interconnection service interruption of up to 90 seconds. During this maintenance, the following Twilio services may be impacted if they are using the IE1 interconnection:SIP Interface,Elastic SIP Trunking,WebRTC Client,SMS,Voice and Verify. Customers interconnected with Twilio exclusively via IE1 will have no workaround during the brief 90-second interruption. Customers configured for failover to DE1 or alternate regions should experience no service disruption, provided automatic failover is enabled on their end.

Interconnection Infrastructure Upgrade (IE1)

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>30</var>, <var data-var='time'>20:00</var> PDT &nbsp;-&nbsp; Oct <var data-var='date'>1</var>, <var data-var='time'>00:00</var> PDT Aug <var data-var='date'>12</var>, <var data-var='time'>11:57</var> PDT Scheduled - Twilio is conducting a planned maintenance from 30 September 2026 at 20:00 PDT until 01 October 2026 at 00:00 PDT. During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to and from United States and Canada handsets via subset of long codes, short codes and toll free numbers.

United States and Canada Twilio SMS and MMS Maintenance

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>23</var>, <var data-var='time'>20:00</var> PDT &nbsp;-&nbsp; Sep <var data-var='date'>24</var>, <var data-var='time'>00:00</var> PDT Aug <var data-var='date'>12</var>, <var data-var='time'>11:57</var> PDT Scheduled - Twilio is conducting a planned maintenance from 23 September 2026 at 20:00 PDT until 24 September 2026 at 00:00 PDT. During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to and from United States and Canada handsets via subset of long codes, short codes and toll free numbers.

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>18</var>, <var data-var='time'>08:00</var> - <var data-var='time'>11:00</var> PDT Aug <var data-var='date'> 6</var>, <var data-var='time'>03:33</var> PDT Scheduled - Twilio will perform a scheduled maintenance in our SG1 region during a 3-hour window on 18 September 2026 from 08:00 PDT to 11:00 PDT. During this maintenance, we will perform a Junos OS software upgrade of the SG1 QFX10K Edge1 Switch in the TNX Production SG1 environment. This maintenance represents the second phase of a two-part infrastructure upgrade. During this time, Voice, Interconnect, and Flex customers with SG1 interconnections may experience a brief interconnection service interruption of up to 90 seconds. If possible, customers are advised to redirect traffic away from the TNX SG1 interconnection during the maintenance window to minimize any potential impact. Services are expected to recover automatically once the maintenance activity is complete.

Interconnection Infrastructure Upgrade (SG1 – Phase 2)

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>16</var>, <var data-var='time'>20:00</var> PDT &nbsp;-&nbsp; Sep <var data-var='date'>17</var>, <var data-var='time'>00:00</var> PDT Aug <var data-var='date'>12</var>, <var data-var='time'>11:57</var> PDT Scheduled - Twilio is conducting a planned maintenance from 16 September 2026 at 20:00 PDT until 17 September 2026 at 00:00 PDT. During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to and from United States and Canada handsets via subset of long codes, short codes and toll free numbers.

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>10</var>, <var data-var='time'>15:00</var> - <var data-var='time'>21:00</var> PDT Aug <var data-var='date'>21</var>, <var data-var='time'>01:46</var> PDT Scheduled - Our Voice carrier partner in the Czech Republic is conducting a planned maintenance from 10 September 2026 at 15:00 PDT until 10 September 2026 at 21:00 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to Twilio Czech Republic phone numbers.

Czech Republic Voice Carrier Partner Maintenance

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>9</var>, <var data-var='time'>20:00</var> PDT &nbsp;-&nbsp; Sep <var data-var='date'>10</var>, <var data-var='time'>00:00</var> PDT Aug <var data-var='date'>12</var>, <var data-var='time'>11:56</var> PDT Scheduled - Twilio is conducting a planned maintenance from 09 September 2026 at 20:00 PDT until 10 September 2026 at 00:00 PDT. During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to and from United States and Canada handsets via subset of long codes, short codes and toll free numbers.

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>9</var>, <var data-var='time'>15:00</var> - <var data-var='time'>21:00</var> PDT Aug <var data-var='date'>21</var>, <var data-var='time'>01:45</var> PDT Scheduled - Our Voice carrier partner in the Czech Republic is conducting a planned maintenance from 09 September 2026 at 15:00 PDT until 09 September 2026 at 21:00 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to Twilio Czech Republic phone numbers.

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>8</var>, <var data-var='time'>16:00</var> - <var data-var='time'>20:30</var> PDT Aug <var data-var='date'>20</var>, <var data-var='time'>20:54</var> PDT Scheduled - Our Voice carrier partner in the Czech Republic is conducting a planned maintenance from 08 September 2026 at 16:00 PDT until 08 September 2026 at 20:30 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to Twilio Czech Republic phone numbers.

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>4</var>, <var data-var='time'>08:00</var> - <var data-var='time'>11:00</var> PDT Aug <var data-var='date'> 6</var>, <var data-var='time'>05:04</var> PDT Scheduled - Twilio will perform a scheduled maintenance in our SG1 region during a 3-hour window on 4 September 2026 from 08:00 PDT to 11:00 PDT. During this maintenance, we will perform a Junos OS software upgrade of the SG1 QFX10K Edge2 Switch in the TNX Production SG1 environment. During this time, Voice, Interconnect, and Flex customers with SG1 interconnections may experience a brief interconnection service interruption of up to 90 seconds. If possible, customers are advised to redirect traffic away from the TNX SG1 interconnection during the maintenance window to minimize any potential impact. Services are expected to recover automatically once the maintenance activity is complete.

Interconnection Infrastructure Upgrade (SG1 – Edge2 Switch)

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>3</var>, <var data-var='time'>21:00</var> PDT &nbsp;-&nbsp; Sep <var data-var='date'>4</var>, <var data-var='time'>01:00</var> PDT Aug <var data-var='date'>20</var>, <var data-var='time'>13:15</var> PDT Scheduled - Our service partner is conducting a planned maintenance from 03 September 2026 at 21:00 PDT until 04 September 2026 at 01:00 PDT. During the maintenance window, there could be intermittent API request failures for the following carriers and country: Rogers Canada, Telus Canada, Bell Canada. Impacted Products: Verify Silent Network Auth, Lookup Identity Match, Lookup SIM Swap, Legacy Identity MatchAndAttributes, Lookup Line Type Intelligence [Twilio API]

Canada Account Security Service Partner Maintenance

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>3</var>, <var data-var='time'>12:00</var> - <var data-var='time'>18:00</var> PDT Aug <var data-var='date'>21</var>, <var data-var='time'>08:16</var> PDT Scheduled - Our SMS carrier partner in Guatemala, Nicaragua, South Africa, El Salvador, Honduras and Vietnam is conducting a planned maintenance from 03 September 2026 at 12:00 PDT until 03 September 2026 at 18:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to Guatemala, Nicaragua, South Africa, El Salvador, Honduras and Vietnam handsets.

Multiple Destination SMS Carrier Partner Maintenance

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>2</var>, <var data-var='time'>20:00</var> PDT &nbsp;-&nbsp; Sep <var data-var='date'>3</var>, <var data-var='time'>00:00</var> PDT Aug <var data-var='date'>12</var>, <var data-var='time'>11:56</var> PDT Scheduled - Twilio is conducting a planned maintenance from 02 September 2026 at 20:00 PDT until 03 September 2026 at 00:00 PDT. During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to and from United States and Canada handsets via subset of long codes, short codes and toll free numbers.

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>2</var>, <var data-var='time'>16:00</var> - <var data-var='time'>20:30</var> PDT Aug <var data-var='date'>19</var>, <var data-var='time'>23:43</var> PDT Scheduled - Our Voice carrier partner in the Czech Republic is conducting a planned maintenance from 02 September 2026 at 16:00 PDT until 02 September 2026 at 20:30 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to Twilio Czech Republic phone numbers.

THIS IS A SCHEDULED EVENT Sep <var data-var='date'>1</var>, <var data-var='time'>02:00</var> - <var data-var='time'>03:00</var> PDT Aug <var data-var='date'>13</var>, <var data-var='time'>13:40</var> PDT Scheduled - Our SMS and MMS carrier partner in the United States is conducting a planned maintenance from 01 September 2026 at 02:00 PDT until 01 September 2026 at 03:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS and MMS to United States handsets via subset of United States short codes.

United States SMS and MMS Carrier Partner Maintenance

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>31</var>, <var data-var='time'>14:00</var> - <var data-var='time'>22:00</var> PDT Aug <var data-var='date'>21</var>, <var data-var='time'>03:59</var> PDT Scheduled - Our carrier partner Three United Kingdom is conducting a planned maintenance from 31 August 2026 at 14:00 PDT until 31 August 2026 at 22:00 PDT. During the maintenance window, there could be intermittent API request failures for Three United Kingdom customers. Impacted Products: Verify Silent Network Auth, Lookup SIM Swap, Lookup Identity Match, Legacy Identity MatchAndAttributes

United Kingdom Account Security Carrier Partner Maintenance - Three

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>31</var>, <var data-var='time'>13:00</var> - <var data-var='time'>17:00</var> PDT Jul <var data-var='date'>31</var>, <var data-var='time'>08:38</var> PDT Scheduled - The Tele2 network in Russia is conducting a planned maintenance from 31 August 2026 at 13:00 PDT until 31 August 2026 at 17:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to Tele2 Russia handsets.

Russia SMS Carrier Maintenance - Tele2

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>31</var>, <var data-var='time'>05:00</var> - <var data-var='time'>06:00</var> PDT Aug <var data-var='date'>21</var>, <var data-var='time'>23:43</var> PDT Scheduled - Our Voice carrier partner in Australia is conducting a planned maintenance from 31 August 2026 at 05:00 PDT until 31 August 2026 at 06:00 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to Twilio Australia phone numbers.

Australia Voice Carrier Partner Maintenance

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>30</var>, <var data-var='time'>17:00</var> - <var data-var='time'>21:00</var> PDT Aug <var data-var='date'>21</var>, <var data-var='time'>03:57</var> PDT Scheduled - Our Voice carrier partner in the Czech Republic is conducting a planned maintenance from 30 August 2026 at 17:00 PDT until 30 August 2026 at 21:00 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to Twilio Czech Republic phone numbers.

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>30</var>, <var data-var='time'>12:00</var> - <var data-var='time'>14:00</var> PDT Jul <var data-var='date'>30</var>, <var data-var='time'>14:53</var> PDT Scheduled - The Globe Telecom network in the Philippines is conducting a planned maintenance from 30 August 2026 at 12:00 PDT until 30 August 2026 at 14:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to Globe Telecom Philippines handsets.

Philippines SMS Carrier Maintenance - Globe Telecom

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>27</var>, <var data-var='time'>05:00</var> - <var data-var='time'>06:00</var> PDT Aug <var data-var='date'>21</var>, <var data-var='time'>23:43</var> PDT Scheduled - Our Voice carrier partner in Australia is conducting a planned maintenance from 27 August 2026 at 05:00 PDT until 27 August 2026 at 06:00 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to Twilio Australia phone numbers.

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>27</var>, <var data-var='time'>03:00</var> - <var data-var='time'>05:00</var> PDT Aug <var data-var='date'>12</var>, <var data-var='time'>23:53</var> PDT Scheduled - Our Voice carrier partner in New Zealand is conducting a planned maintenance from 27 August 2026 at 03:00 PDT until 27 August 2026 at 05:00 PDT. During the maintenance window, there could be intermittent call disconnects or call failures from and to subset of Twilio New Zealand toll free, mobile and landline phone numbers.

New Zealand Voice Carrier Partner Maintenance

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>27</var>, <var data-var='time'>01:00</var> - <var data-var='time'>03:30</var> PDT Jul <var data-var='date'>30</var>, <var data-var='time'>14:53</var> PDT Scheduled - Our MMS carrier partner in the United States is conducting a planned maintenance from 27 August 2026 at 01:00 PDT until 27 August 2026 at 03:30 PDT. During the maintenance window, there could be intermittent delays delivering MMS to United States handsets via subset of United States short codes.

United States MMS Carrier Partner Maintenance

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>26</var>, <var data-var='time'>20:00</var> PDT &nbsp;-&nbsp; Aug <var data-var='date'>27</var>, <var data-var='time'>00:00</var> PDT Jul <var data-var='date'> 6</var>, <var data-var='time'>19:26</var> PDT Scheduled - Twilio is conducting a planned maintenance from 26 August 2026 at 20:00 PDT until 27 August 2026 at 00:00 PDT. During the maintenance window, there could be intermittent delays or failures delivering SMS and MMS to United States and Canada handsets when sending via subset of long codes and short codes.

THIS IS A SCHEDULED EVENT Aug <var data-var='date'>26</var>, <var data-var='time'>13:00</var> - <var data-var='time'>17:00</var> PDT Jul <var data-var='date'>31</var>, <var data-var='time'>08:38</var> PDT Scheduled - The Tele2 network in Russia is conducting a planned maintenance from 26 August 2026 at 13:00 PDT until 26 August 2026 at 17:00 PDT. During the maintenance window, there could be intermittent delays delivering SMS to Tele2 Russia handsets.

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Interconnection Infrastructure Upgrade (IE1)

United States and Canada Twilio SMS and MMS Maintenance

United States and Canada Twilio SMS and MMS Maintenance

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Recent Twilio events

Interconnection Infrastructure Upgrade (IE1)

United States and Canada Twilio SMS and MMS Maintenance

United States and Canada Twilio SMS and MMS Maintenance

Interconnection Infrastructure Upgrade (SG1 – Phase 2)

United States and Canada Twilio SMS and MMS Maintenance

Czech Republic Voice Carrier Partner Maintenance