# Is Sinch down? > Sinch is operational. Checked 2026-11-01 21:00 UTC. - Official status page: https://status.sinch.com - Web page: https://outages.cc/sinch - JSON: https://outages.cc/api/v1/providers/sinch - RSS: https://outages.cc/feed.xml?providers=sinch ## Active incidents Sinch reports no active incident. Status pages can lag the start of a problem by a few minutes. ## Last 90 days 46 incidents on 32 of the last 90 days. - [Sinch: Delivery Issue Belgium - VOOmobile & MobiStar](https://outages.cc/outages/sinch-1f30c65szk3.md): Resolved, started 2026-10-28 15:37 UTC, lasted 6 h 14 min. This incident has been resolved. Incident Start Time: 2026-10-28 15:06 UTC Incident End Time: 2026-10-28 20:25 UTC - [Sinch: Delivery Issue United States - AT&T](https://outages.cc/outages/sinch-1cb8kwmqmzt.md): Resolved, started 2026-10-27 03:43 UTC, lasted 42 min. This incident has been resolved. Incident Start Time: 2026-10-27 03:14 UTC Incident End Time: 2026-10-27 04:11 UTC - [Sinch: Service Degradation - Customer Dashboard and Account Balance](https://outages.cc/outages/sinch-2eonjatsiin.md): Resolved, started 2026-10-26 13:33 UTC, lasted 2 h 32 min. At 2026-10-26 12:58, UTC a planned change caused unforeseen issues affecting the Sinch customer dashboard and our balance calculations. Our engineering teams immediately investigated the issue. Once identified, the change was successfully rolled back and functionality was restor… - [Sinch: Service Degredation - Lookup API](https://outages.cc/outages/sinch-je2tno74t.md): Resolved, started 2026-10-26 02:21 UTC, lasted 10 min. This incident has been resolved. Incident Start Time: 2026-10-26 00:30 UTC Incident End Time: 2026-10-26 01:59 UTC - [Sinch: Delivery Issue Sweden - Telia](https://outages.cc/outages/sinch-2eixx28yrqu.md): Resolved, started 2026-10-25 09:51 UTC, lasted 11 h 45 min. This incident has been resolved. Incident Start Time: 2026-10-25 09:10 UTC Incident End Time: 2026-10-25 21:28 UTC - [Sinch: Delivery Issue Nicaragua - Tigo](https://outages.cc/outages/sinch-uoutuyfx4z.md): Resolved, started 2026-10-23 15:55 UTC, lasted 8 h 27 min. This incident has been resolved. Incident Start Time: 2026-10-23 15:36 UTC Incident End Time: 2026-10-23 22:27 UTC - [Sinch: Delivery Issue Brazil - SurfTelecom](https://outages.cc/outages/sinch-yigxpf484y.md): Resolved, started 2026-10-23 04:16 UTC, lasted 12 h 5 min. This incident has been resolved. Incident Start Time: 2026-10-23 01:24 UTC Incident End Time: 2026-10-23 13:36 UTC - [Sinch: Delivery Issue Denmark - Nuuday](https://outages.cc/outages/sinch-1b0tmsh94s1.md): Resolved, started 2026-10-22 14:13 UTC, lasted 3 h 32 min. This incident has been resolved. Incident Start Time: 2026-10-22 13:42 UTC Incident End Time: 2026-10-22 14:36 UTC - [Sinch: Delivery Issue United Kingdom - O2](https://outages.cc/outages/sinch-xtdtkt5gwm.md): Resolved, started 2026-10-22 12:50 UTC, lasted 2 h 14 min. This incident has been resolved. Incident Start Time: 2026-10-22 12:28 UTC Incident End Time: 2026-10-22 14:16 UTC - [Sinch: Delivery Issue Bolivia - Entel](https://outages.cc/outages/sinch-3j49o8yoe0.md): Resolved, started 2026-10-21 15:49 UTC, lasted 1 h 20 min. This incident has been resolved. Incident Start Time: 2026-10-21 15:16 UTC Incident End Time: 2026-10-21 16:30 UTC - [Sinch: Delivery Issue France - Orange](https://outages.cc/outages/sinch-7dwdq9p1ap.md): Resolved, started 2026-10-21 12:15 UTC, lasted 8 h 33 min. This incident has been resolved. Incident Start Time: 2026-10-21 09:37 UTC Incident End Time: 2026-10-21 19:58 UTC - [Sinch: Sinch Engage - Web Portal - Reporting degradation](https://outages.cc/outages/sinch-vwu3wiqnro.md): Resolved, started 2026-10-19 05:45 UTC, lasted 5 h 6 min. This incident has been resolved. Incident Start Time: 2026-10-15 08:00 UTC Incident End Time: 2026-10-19 10:00 UTC - [Sinch: Delivery Issue Norlys - Denmark](https://outages.cc/outages/sinch-1o01tz0gezs.md): Resolved, started 2026-10-15 01:25 UTC, lasted 38 min. This incident has been resolved. Incident Start Time: 2026-10-15 00:30 UTC Incident End Time: 2026-10-15 01:53 UTC - [Sinch: Delivery Issue Evatis - Djibouti](https://outages.cc/outages/sinch-r21dqe49jj.md): Resolved, started 2026-10-14 23:00 UTC, lasted 2 h 20 min. This incident has been resolved. Incident Start Time: 2026-10-14 22:14 UTC End Start Time: 2026-10-15 00:14 UTC - [Sinch: Delivery Issue New Zealand - Spark](https://outages.cc/outages/sinch-12yvk98jjme.md): Resolved, started 2026-10-11 16:36 UTC, lasted 1 h 20 min. This incident has been resolved. Incident Start Time: 2026-10-11 16:09 UTC Incident End Time: 2026-10-11 17:25 UTC - [Sinch: Delivery Issue Guatemala - Tigo](https://outages.cc/outages/sinch-21qct3o40qv.md): Resolved, started 2026-10-09 08:37 UTC, lasted 3 h 37 min. This incident has been resolved. Incident Start Time: 2026-10-09 07:46 UTC Incident End Time: 2026-10-09 10:53 UTC - [Sinch: Delivery Issue Sweden - Tele2Comviq](https://outages.cc/outages/sinch-3b2lgxpgi5.md): Resolved, started 2026-10-08 09:36 UTC, lasted 14 min. This incident has been resolved. Incident Start Time: 2026-10-08 09:03 UTC Incident End Time: 2026-10-08 09:41 UTC Impact: Delayed MT's/Delayed MO's/Missing delivery receipts/Late delivery receipts - [Sinch: Delivery Issue USA - AT&T](https://outages.cc/outages/sinch-1bzv39tpr56.md): Resolved, started 2026-10-07 16:59 UTC, lasted 5 h 7 min. This incident has been resolved. Incident Start Time: 2026-10-07 13:59 UTC Incident End Time: 2026-10-07 17:46 UTC - [Sinch: Delivery Issue Guadeloupe - Orange](https://outages.cc/outages/sinch-syqqaqj2nh.md): Resolved, started 2026-10-07 06:50 UTC, lasted 8 h 29 min. This incident has been resolved. Incident Start Time: 2026-10-07 04:21 UTC Incident End Time: 2026-10-07 14:20 UTC - [Sinch: Delivery Issue USA - AT&T](https://outages.cc/outages/sinch-254dylm4z28.md): Resolved, started 2026-10-07 06:20 UTC, lasted 4 h 22 min. This incident has been resolved. Incident Start Time: 2026-10-07 05:18 UTC Incident End Time: 2026-10-07 09:44 UTC - [Sinch: Delivery Issue Belgium - Mobistar](https://outages.cc/outages/sinch-55njutlxjp.md): Resolved, started 2026-10-07 04:48 UTC, lasted 2 h 33 min. This incident has been resolved. Incident Start Time: 2026-10-07 03:32 UTC Incident End Time: 2026-10-07 06:03 UTC - [Sinch: Delivery Issue Panama - Tigo](https://outages.cc/outages/sinch-1crrewljji1.md): Resolved, started 2026-10-06 18:07 UTC, lasted 1 h 14 min. This incident has been resolved. Incident Start Time: 2026-10-06 17:37 UTC Incident End Time: 2026-10-06 18:16 UTC - [Sinch: Delivery Issue Nicaragua - Tigo](https://outages.cc/outages/sinch-6cu99dx6sm.md): Resolved, started 2026-10-06 18:01 UTC, lasted 1 h 16 min. This incident has been resolved. Incident Start Time: 2026-10-06 17:37 UTC Incident End Time: 2026-10-06 18:14 UTC - [Sinch: Delivery Issue French Guiana - Digicel](https://outages.cc/outages/sinch-ift8aaq4ps.md): Resolved, started 2026-10-06 13:58 UTC, lasted 42 min. This incident has been resolved. Incident Start Time: 2026-10-06 13:41 UTC Incident End Time: 2026-10-06 14:08 UTC - [Sinch: Delivery Issue New Zealand - OneNZ](https://outages.cc/outages/sinch-2awftjjpx0n.md): Resolved, started 2026-10-04 11:47 UTC, lasted 3 h 19 min. This incident has been resolved. Incident Start Time: 2026-10-04 11:06 UTC Incident End Time: 2026-10-04 13:08 UTC - [Sinch: Delivery Issue Brazil - Vivo](https://outages.cc/outages/sinch-1evsz8gdd5z.md): Resolved, started 2026-10-04 06:09 UTC, lasted 6 h 7 min. This incident has been resolved. Incident Start Time: 2026-10-04 04:10 UTC Incident End Time: 2026-10-04 11:13 UTC - [Sinch: Service Degradation - 10DLC Campaign Provisioning](https://outages.cc/outages/sinch-6o40xxcspe.md): Resolved, started 2026-10-01 16:36 UTC, lasted 2 h 15 min. This incident has been resolved. Incident Start Time: 2026-10-01 14:29 UTC Incident End Time: 2026-10-01 18:12 UTC - [Sinch: Delivery Issue Guatemala - Tigo](https://outages.cc/outages/sinch-15opike6q6k.md): Resolved, started 2026-09-30 21:22 UTC, lasted 3 h 13 min. This incident has been resolved. Incident Start Time: 2026-09-30 20:59 UTC Incident End Time: 2026-09-30 23:31 UTC - [Sinch: Delivery Issue Guatemala - Tigo](https://outages.cc/outages/sinch-285fgsl63hk.md): Resolved, started 2026-09-29 23:50 UTC, lasted 12 h 40 min. This incident has been resolved. Incident Start Time: 2026-09-29 23:27 UTC Incident Start Time: 2026-09-30 09:01 UTC - [Sinch: Delivery Issue Qatar - Ooredoo Qatar](https://outages.cc/outages/sinch-rvvhtnv1oy.md): Resolved, started 2026-09-28 22:26 UTC, lasted 1 h 9 min. This incident has been resolved. Incident Start Time: 2026-09-28 21:43 UTC Incident End Time: 2026-09-28 22:46 UTC - [Sinch: Delivery Issue Belgium - Proximus](https://outages.cc/outages/sinch-thh1x5zrzo.md): Resolved, started 2026-09-27 22:49 UTC, lasted 3 h 19 min. This incident has been resolved. Incident Start Time: 2026-09-27 22:01 UTC Incident End Time: 2026-09-28 02:00 UTC - [Sinch: Customer Support - Ticketing System](https://outages.cc/outages/sinch-24937nrc4wl.md): Resolved, started 2026-09-25 15:31 UTC, lasted 55 min. This incident has been resolved. Incident Start Time : 2026-09-25 14:46 UTC Incident End Time : 2026-09-25 16:03 UTC - [Sinch: Delivery Issue Brazil - Claro](https://outages.cc/outages/sinch-dgd7i8hcm8.md): Resolved, started 2026-09-25 03:35 UTC, lasted 2 h 54 min. This incident has been resolved. Incident Start Time: 2026-09-25 03:27 UTC Incident End Time: 2026-09-25 06:13 UTC - [Sinch: Chatlayer - US and LATAM regions outage](https://outages.cc/outages/sinch-old56vnttg.md): Resolved, started 2026-09-23 12:25 UTC, lasted 1 min. We are writing to inform you regarding an incident that affected our Chatlayer platform in the US and LATAM regions during the below timeframe. Incident Start Time: 2026-09-23 13:25 UTC Incident End Time: 2026-09-23 14:30 UTC During the incident you may have experienced that bot… - [Sinch: Delivery Issue Venezuela - Digitel](https://outages.cc/outages/sinch-1np2b34a1r2.md): Resolved, started 2026-09-23 01:53 UTC, lasted 11 h 16 min. This incident has been resolved. Incident Start Time: 2026-09-23 00:44 UTC Incident End Time: 2026-09-23 11:50 UTC - [Sinch: Delivery Issue Sri Lanka - Hutchison](https://outages.cc/outages/sinch-10wpx02k8eb.md): Resolved, started 2026-09-22 10:53 UTC, lasted 2 h 3 min. This incident has been resolved. Incident Start Time: 2026-09-22 10:26 UTC Incident End Time: 2026-09-22 11:14 UTC - [Sinch: Service Degradation – Calling – AP-Southeast-1](https://outages.cc/outages/sinch-295rkc31hhd.md): Resolved, started 2026-09-22 05:40 UTC, lasted 2 h 56 min. This incident has been resolved. Incident Start Time: 2026-09-22 04:50 UTC Incident End Time: 2026-09-22 07:23 UTC - [Sinch: Delivery Issue Mexico - Izzi](https://outages.cc/outages/sinch-78rh9m1u1o.md): Resolved, started 2026-09-22 03:47 UTC, lasted 2 h 15 min. This incident has been resolved. Incident Start Time: 2026-09-22 03:05 UTC Incident End Time: 2026-09-22 05:31 UTC - [Sinch: Delivery Issue France - Orange](https://outages.cc/outages/sinch-nge9c74bc.md): Resolved, started 2026-09-21 22:48 UTC, lasted 1 h 1 min. This incident has been resolved. Incident Start Time: 2026-09-21 22:29 UTC Incident End Time: 2026-09-21 23:05 UTC - [Sinch: Delivery Issue Brazil - Claro](https://outages.cc/outages/sinch-y5yvc5zk41.md): Resolved, started 2026-09-21 01:32 UTC, lasted 38 min. This incident has been resolved. Incident Start Time: 2026-09-21 01:19 UTC Incident End Time: 2026-09-21 01:41 UTC - [Sinch: Delivery Issue Congo D.R - Orange DRC](https://outages.cc/outages/sinch-l3a7jrmq0m.md): Resolved, started 2026-09-17 17:28 UTC, lasted 5 h 14 min. This incident has been resolved. Incident Start Time: 2026-09-17 15:59 UTC Incident End Time: 2026-09-17 22:20 UTC - [Sinch: Services | Operator Services | Potential delay in delivery of MO, MT and DLR | TT#MNOC-65291 (MNOC-65292)](https://outages.cc/outages/sinch-gnq4txv5e6.md): Resolved, started 2026-09-17 11:46 UTC, lasted 28 h 8 min. Issue has remained stable. Resolving incident. - [Sinch: Delivery Issue Paraguay - Tigo](https://outages.cc/outages/sinch-26vjg4a8oev.md): Resolved, started 2026-09-16 04:18 UTC, lasted 3 h 2 min. This incident has been resolved. Incident Start Time: 2026-09-16 03:44 UTC Incident End Time: 2026-09-16 04:58 UTC - [Sinch: Delivery Issue Cambodia - Smart Axiata](https://outages.cc/outages/sinch-2g9yywxthtv.md): Resolved, started 2026-09-15 16:41 UTC, lasted 16 h 41 min. The incident has been resolved. Incident Start Time: 2026-09-15 16:13 UTC Incident End Time: 2026-09-16 08:35 UTC - [Sinch: Delivery Issue Bolivia - Tigo](https://outages.cc/outages/sinch-bqe9jlt2y2.md): Resolved, started 2026-09-12 21:45 UTC, lasted 1 h 38 min. This incident has been resolved. Incident Start Time: 2026-09-12 20:53 UTC Incident End Time: 2026-09-12 22:36 UTC - [Sinch: Delivery Issue - Bouygues Telecom - France](https://outages.cc/outages/sinch-wqa8v5tpu4.md): Resolved, started 2026-09-12 19:53 UTC, lasted 9 h 3 min. This incident has been resolved. Incident Start Time: 2026-09-12 19:34 UTC Incident End Time: 2026-09-13 01:52 UTC ## Maintenance - [Sinch: DI SMS 365 (SMSX) | Operator Services | Application, Database and System Maintenance || PCR Number # PCRSDI-12388](https://outages.cc/outages/sinch-2dl8hph1ble.md): Maintenance, started 2026-12-09 05:00 UTC. Services :: DI SMS 365 (SMSX) PCR Number :: PCRSDI-12388 Start Date and Time (GMT):: 9th December 2026 05:00 Hrs. End Date and Time (GMT):: 9th December 2026 10:00 Hrs. Impact Mobile Terminating (MT) Traffic : Potential latency Mobile Originated (MO) Traffic : Potential latency … - [Sinch: DI SMS 365 (SMSX) | Operator Services | Application, Database and System Maintenance || PCR Number #PCRSDI-12387](https://outages.cc/outages/sinch-22vighr1uou.md): Maintenance, started 2026-12-08 05:00 UTC. Services :: DI SMS 365 (SMSX) PCR Number :: PCRSDI-12387 Start Date and Time (GMT):: 8th December 2026 05:00 Hrs. End Date and Time (GMT):: 8th December 2026 10:00 Hrs. Impact Mobile Terminating (MT) Traffic : Potential latency Mobile Originated (MO) Traffic : Potential latency … - [Sinch: DI SMS 365 (SMSX) | Operator Services | Application, Database and System Maintenance || PCR Number #PCRSDI-12386](https://outages.cc/outages/sinch-1er57x12da6.md): Maintenance, started 2026-12-07 05:00 UTC. Services :: DI SMS 365 (SMSX) PCR Number :: PCRSDI-12386 Start Date and Time (GMT):: 7th December 2026 05:00 Hrs. End Date and Time (GMT):: 7th December 2026 10:00 Hrs. Impact Mobile Terminating (MT) Traffic : Potential latency Mobile Originated (MO) Traffic : Potential latency … - [Sinch: Service Announcement & Maintenance: New SMSC Site & Whitelisting Requirements - US Region](https://outages.cc/outages/sinch-pztd3obgmb.md): Maintenance, started 2026-12-01 07:00 UTC. We are writing to inform you that the concerned maintenance activity has been postponed to the below mentioned timeframe. Type: Service Announcement & Maintenance Previous Start Time: 2026-10-15 07:00 UTC Previous End Time: 2026-10-15 08:00 UTC New Start Time: 2026-12-01 07:00 U… - [Sinch: External Maintenance - Toll-Free Number Provider](https://outages.cc/outages/sinch-12j5x8r98ca.md): Maintenance, started 2026-11-24 04:00 UTC. Our Toll-Free number provider has scheduled a maintenance. Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada. Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States. M… - [Sinch: External Maintenance - US and Canada](https://outages.cc/outages/sinch-20ohb12ej6b.md): Maintenance, started 2026-11-19 05:00 UTC. An external supplier has scheduled a maintenance. Impact SMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States and Canada. Impact MMS: Clients may experience delayed or failed 10DLC MT/MO traffic towards the United States. Maintenance Start … - [Sinch: External Maintenance - Toll-Free Number Provider](https://outages.cc/outages/sinch-2eu3ci54ds4.md): Maintenance, started 2026-11-19 04:00 UTC. Our Toll-Free number provider has scheduled a maintenance. Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada. Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States. M… - [Sinch: DI SMS 365 (iSMS) | Operator Services | Application, Database and System Maintenance || PCR Number # PCRSDI-12380](https://outages.cc/outages/sinch-11feuof0cb6.md): Maintenance, started 2026-11-18 05:00 UTC. We will be undergoing scheduled maintenance during this time. - [Sinch: Sinch Maintenance - SSL Certificate Renewal](https://outages.cc/outages/sinch-270bj3suesz.md): Maintenance, started 2026-11-17 08:00 UTC. Sinch will be performing a scheduled maintenance to renew the SSL certificate's. Type: Scheduled Maintenance Maintenance: SSL Certificate Updates Start Time: 2026-11-17 08:00 UTC End Time: 2026-11-17 11:00 UTC Certificates affected by this maintenance: *.sinch.com *.httpgw.api.s… - [Sinch: DI SMS 365 (iSMS) | Operator Services | Application, Database and System Maintenance || PCR Number #PCRSDI-12379](https://outages.cc/outages/sinch-rafacquxm5.md): Maintenance, started 2026-11-17 05:00 UTC. We will be undergoing scheduled maintenance during this time. - [Sinch: Planned Maintenance - Message manager 6.2.1B release, OS patches/updates](https://outages.cc/outages/sinch-1lwit7wzrgh.md): Maintenance, started 2026-11-14 18:00 UTC. Dear Client, A planned maintenance activity is scheduled for Message Manager. Customers are advised not to schedule any campaigns during this maintenance window. Maintenance Start Time: 2026-11-14 18:00 UTC Maintenance End Time: 2026-11-14 22:00 UTC Impact: The Message Manager U… - [Sinch: Planned Maintenance - Conversation API](https://outages.cc/outages/sinch-8do3l8iwe0.md): Maintenance, started 2026-11-12 08:00 UTC. Dear Client, We are writing to inform you that as part of our continuous efforts to improve the performance and reliability of our platform, we will be performing a Maintenance of the Conversation API at the time specified below. Type: Maintenance - Conversation API Start Time: … - [Sinch: Planned Maintenance Notification – Sinch CA1 Network Infrastructure](https://outages.cc/outages/sinch-2mn6etqrqk.md): Maintenance, started 2026-11-12 07:00 UTC. We are reaching out to inform you that a maintenance will be performed on our CA1 network and security infrastructure during the scheduled time window below. Type: Network Maintenance Affected Site: CA1 Maintenance Start Time: 2026-11-12 07:00 UTC Maintenance End Time: 2026-11-1… - [Sinch: Planned Maintenance Notification – Sinch EU Central RTCx Network Infrastructure](https://outages.cc/outages/sinch-1alzd1wowoi.md): Maintenance, started 2026-11-12 06:00 UTC. We are reaching out to inform you that a maintenance will be performed on our EU Central RTCx network and security infrastructure during the scheduled time window below. Type: Network Maintenance Affected Site: EU Maintenance Start Time: 2026-11-12 06:00 UTC Maintenance End Time… - [Sinch: External Maintenance - Toll-Free Number Provider](https://outages.cc/outages/sinch-a1u19k17ux.md): Maintenance, started 2026-11-12 04:00 UTC. Our Toll-Free number provider has scheduled a maintenance. Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada. Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States. M… - [Sinch: Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - AU](https://outages.cc/outages/sinch-mdrkdnpf5x.md): Maintenance, started 2026-11-08 08:00 UTC. Dear Customer, The Sinch Contact Pro certificate *.cc.sinch.com will be renewed during Sunday November 8th, 2026. Start time: 2026-11-8 (Sunday) 8 AM UTC End time: 2026-11-8 (Sunday) 9 AM UTC During the maintenance window, all voice channels will experience a short disruption, u… - [Sinch: Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - Americas](https://outages.cc/outages/sinch-37rb60m49.md): Maintenance, started 2026-11-08 07:00 UTC. Dear Customer, The Sinch Contact Pro certificate *.cc.sinch.com will be renewed during Sunday November 8th, 2026. Start time: 2026-11-8 (Sunday) 7 AM UTC End time: 2026-11-8 (Sunday) 8 AM UTC During the maintenance window, all voice channels will experience a short disruption, u… - [Sinch: Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - AF](https://outages.cc/outages/sinch-1dlx7cm5nn1.md): Maintenance, started 2026-11-08 06:00 UTC. Dear Customer, The Sinch Contact Pro certificate *.cc.sinch.com will be renewed during Sunday November 8th, 2026. Start time: 2026-11-8 (Sunday) 6 AM UTC End time: 2026-11-8 (Sunday) 7 AM UTC During the maintenance window, all voice channels will experience a short disruption, u… - [Sinch: Sinch Contact Pro Certificate renewal - CUSTOMER ACTION REQUIRED - EU](https://outages.cc/outages/sinch-27v9ab5y12t.md): Maintenance, started 2026-11-08 05:00 UTC. Dear Customer, The Sinch Contact Pro certificate *.cc.sinch.com will be renewed during Sunday November 8th, 2026. Start time: 2026-11-8 (Sunday) 5 AM UTC End time: 2026-11-8 (Sunday) 6 AM UTC During the maintenance window, all voice channels will experience a short disruption, u… - [Sinch: Sinch Scheduled Maintenance - Elastic SIP Trunking - Voice Application Servers](https://outages.cc/outages/sinch-1zbrzk0hie4.md): Maintenance, started 2026-11-06 03:00 UTC. We will be undergoing scheduled maintenance during this time. - [Sinch: Planned Maintenance - REST US and CA Infrastructure Update](https://outages.cc/outages/sinch-17efgqqfe6k.md): Maintenance, started 2026-11-05 07:00 UTC. We are writing to inform you that, as part of our continuous efforts to improve the performance, stability, and reliability of our platform, we will be performing scheduled maintenance on the REST Traffic platform at the times specified below. Type: Maintenance – REST Infrastruc… - [Sinch: Planned Maintenance - Legacy API Service Enhancement](https://outages.cc/outages/sinch-1n40ut9ifmo.md): Maintenance, started 2026-11-05 07:00 UTC. We are writing to inform you that as part of our continuous efforts to ensure high capacity and service quality, Sinch is adding another backend service for our legacy API’s. Start Time: 2026-11-05 07:00 UTC End Time: 2026-11-05 11:00 UTC Impact: Some clients may experience dela… - [Sinch: External Maintenance - Toll-Free Number Provider](https://outages.cc/outages/sinch-2agxwcdcacv.md): Maintenance, started 2026-11-05 04:00 UTC. Our Toll-Free number provider has scheduled a maintenance. Impact SMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States and Canada. Impact MMS: Clients may experience delayed or failed Toll Free MT/MO traffic towards the United States. M… - [Sinch: Planned Maintenance - REST AU Infrastructure Update](https://outages.cc/outages/sinch-17zkf398ji1.md): Maintenance, started 2026-11-03 14:00 UTC. We are writing to inform you that, as part of our continuous efforts to improve the performance, stability, and reliability of our platform, we will be performing scheduled maintenance on the REST Traffic platform at the times specified below. Type: Maintenance – REST Infrastruc… - [Sinch: Planned Maintenance - REST BR Infrastructure Update](https://outages.cc/outages/sinch-w77hq0z8nu.md): Maintenance, started 2026-11-03 07:00 UTC. We are writing to inform you that, as part of our continuous efforts to improve the performance, stability, and reliability of our platform, we will be performing scheduled maintenance on the REST Traffic platform at the times specified below. Type: Maintenance – REST Infrastruc… - [Sinch: Planned Maintenance – REST EU Infrastructure Update](https://outages.cc/outages/sinch-irujajncrb.md): Maintenance, started 2026-11-03 05:00 UTC. We are writing to inform you that, as part of our continuous efforts to improve the performance, stability, and reliability of our platform, we will be performing scheduled maintenance on the REST Traffic platform at the times specified below. Type: Maintenance – REST Infrastruc… - [Sinch: External Maintenance - Singapore - Singtel](https://outages.cc/outages/sinch-1f6lcbqqmo1.md): Maintenance, started 2026-11-02 17:00 UTC. Singapore - Singtel has scheduled a maintenance. Impact: Clients may experience delays on MT/MO traffic. Start Time: 2026-11-02 17:00 UTC End Time: 2026-11-02 22:00 UTC - [Sinch: External Maintenance - United Kingdom - O2](https://outages.cc/outages/sinch-1244i0w40su.md): Maintenance, started 2026-11-01 22:30 UTC. United Kingdom - O2 has scheduled a maintenance. Impact: Delayed MT's/Missing delivery receipts/Late delivery receipts Maintenance start time: 2026-11-01 22:30 UTC Maintenance end time: 2026-11-02 06:00 UTC - [Sinch: CANCELED - DI SMS 365 (SMSX) | Operator Services | Application, Database and System Maintenance || PCR Number #PCRSDI-12384](https://outages.cc/outages/sinch-1tt60u36oit.md): Maintenance, started 2026-10-29 05:00 UTC. This maintenance is canceled for 10/29/26 05:00 Hrs (GMT) Services :: DI SMS 365 (SMSX) PCR Number :: PCRSDI-12384 Start Date and Time (GMT):: 29th October 2026 05:00 Hrs. End Date and Time (GMT):: 29th October 2026 10:00 Hrs. Impact Mobile Terminating (MT) Traffic : No Impact M…