# Twilio in September 2021: incidents, uptime and changes

> Twilio in September 2021: 159 incidents on its status page (3 major or critical), 98.96% free of major or critical incidents (vendor-reported). From Rewindex’s archive of Twilio’s status, pricing and policy pages.

Canonical: https://rewindex.com/company/twilio/2021/09
Last updated: 2021-10-01T06:00:00Z

- Incidents posted: 159 (major/critical: 3) · Maintenance: 99
- By vendor impact label: major 3, minor 124, none 32
- Uptime (vendor-reported): 98.96% free of major/critical incidents, 19.63% free of any incident; outage time 7 h 25 min, incident time 24.1 days
- Price changes: 0 · Pricing/legal/trust page changes: 0 · Deprecations: 0 · CVEs: 0
- Previous month: [August 2021](https://rewindex.com/company/twilio/2021/08.md) · Next: [October 2021](https://rewindex.com/company/twilio/2021/10.md) · [All months](https://rewindex.com/company/twilio/reports.md) · [Twilio](https://rewindex.com/company/twilio.md)

_Uptime: Derived from the incidents the vendor posted on its own status page, not measured by us. A minute counts as an outage minute when a major or critical incident (as the vendor labelled it) was open; incident minutes include minor ones too. Maintenance and incidents marked "no impact" are left out, overlapping incidents are merged, a resolved incident counts for at most 7 days, and one still open with no resolution counts for at most 24 hours._

## Major and critical incidents

| Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status |
| --- | --- | --- | --- | --- | --- |
| [Automated Alert: Minimal Customer Impact for WhatsApp Message Delays](https://rewindex.com/company/twilio/incidents/gtm2xsd99kj2.md) | major | 2021-09-07 22:21 UTC | 2021-09-07 22:37 UTC | 16 min | resolved |
| [Intermittent Delays when Registering WhatsApp Phone Numbers](https://rewindex.com/company/twilio/incidents/pch06h6qqv48.md) | major | 2021-09-07 23:32 UTC | 2021-09-08 02:11 UTC | 2.6 h | resolved |
| [MMS Delivery Failures on Sprint and Cingular USA](https://rewindex.com/company/twilio/incidents/4nmjxm0mxryv.md) | major | 2021-09-18 17:12 UTC | 2021-09-18 21:42 UTC | 4.5 h | resolved |

## All incidents

| Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status |
| --- | --- | --- | --- | --- | --- |
| [SMS Delivery Delays to South Africa Vodacom Network from South Africa Numbers](https://rewindex.com/company/twilio/incidents/v1q4pntdz4pg.md) | minor | 2021-09-01 08:49 UTC | 2021-09-02 22:00 UTC | 37 h | resolved |
| [SMS Delivery Delays to Sudan Zain Network](https://rewindex.com/company/twilio/incidents/qd9zn2nmst6l.md) | minor | 2021-09-01 10:01 UTC | 2021-09-01 23:02 UTC | 13 h | resolved |
| [Programmable Messaging Service Interruption](https://rewindex.com/company/twilio/incidents/b6l5tbj97gtv.md) | minor | 2021-09-01 17:45 UTC | 2021-09-01 18:59 UTC | 1.2 h | resolved |
| [SMS Delivery Delays to AT&T Mexico via Pre-Registered Senders and Long Code](https://rewindex.com/company/twilio/incidents/tj69khnb2n97.md) | minor | 2021-09-01 22:22 UTC | 2021-09-02 00:46 UTC | 2.4 h | resolved |
| [SMS Delivery Delay To Smartfren Network In Indonesia](https://rewindex.com/company/twilio/incidents/qlf18c1w3zpy.md) | minor | 2021-09-02 05:43 UTC | 2021-09-02 10:40 UTC | 5.0 h | resolved |
| [Users Unable to Edit WhatsApp Sender Logo - Console Error](https://rewindex.com/company/twilio/incidents/j1r65jhyzsld.md) | minor | 2021-09-02 10:05 UTC | 2021-09-02 12:56 UTC | 2.9 h | resolved |
| [SMS Delivery Delays to Congo DR Orange](https://rewindex.com/company/twilio/incidents/tfzr3gmc8bw3.md) | minor | 2021-09-02 13:36 UTC | 2021-09-02 22:21 UTC | 8.8 h | resolved |
| [SMS Delivery Delays to Airtel Nigeria Network](https://rewindex.com/company/twilio/incidents/xvt800kccx80.md) | minor | 2021-09-02 16:46 UTC | 2021-09-02 19:28 UTC | 2.7 h | resolved |
| [SMS Delivery Delays to US via Shortcode](https://rewindex.com/company/twilio/incidents/8r7jkq79f0h8.md) | none | 2021-09-02 17:21 UTC | 2021-09-02 17:21 UTC | 0 min | resolved |
| [SMS Delivery Delays to AT&T Mexico via Pre-Registered Sender](https://rewindex.com/company/twilio/incidents/4yflsswygx0q.md) | minor | 2021-09-02 17:33 UTC | 2021-09-03 06:34 UTC | 13 h | resolved |
| [MMS Delivery Delays Over Subset of Short Codes to Multiple US Networks](https://rewindex.com/company/twilio/incidents/3dd98454mx8s.md) | minor | 2021-09-02 18:01 UTC | 2021-09-09 22:57 UTC | 7 d | resolved |
| [Voice Insights Call Summaries Are Delayed](https://rewindex.com/company/twilio/incidents/491338nmynxj.md) | minor | 2021-09-02 19:04 UTC | 2021-09-02 19:27 UTC | 23 min | resolved |
| [Automated Alert: No Customer Impact With regards to CNAM Not Showing in the TrustHub Menu](https://rewindex.com/company/twilio/incidents/jggb44pzly8t.md) | none | 2021-09-02 22:14 UTC | 2021-09-02 22:20 UTC | 6 min | resolved |
| [SMS Delivery Failures to MTN Network in Ghana](https://rewindex.com/company/twilio/incidents/48f4y8d2hqnk.md) | minor | 2021-09-02 23:50 UTC | 2021-09-03 02:11 UTC | 2.4 h | resolved |
| [Flex Account Creation Does Not Trigger Flex Setup](https://rewindex.com/company/twilio/incidents/ls2j6fftnd3z.md) | minor | 2021-09-03 13:30 UTC | 2021-09-03 16:43 UTC | 3.2 h | resolved |
| [Inbound Call Failures to a Subset of Twilio Colombia Landline Numbers](https://rewindex.com/company/twilio/incidents/4xrr2krb1r7w.md) | minor | 2021-09-03 15:24 UTC | 2021-09-05 00:26 UTC | 33 h | resolved |
| [SMS Delivery Delays Over a Subset of Short Codes to Multiple U.S. Networks](https://rewindex.com/company/twilio/incidents/scxj7zqcfhhp.md) | none | 2021-09-03 21:05 UTC | 2021-09-03 21:05 UTC | 0 min | resolved |
| [SMS Delivery Delays to Nepal Telecom](https://rewindex.com/company/twilio/incidents/82wp1mzzr3zd.md) | minor | 2021-09-04 12:56 UTC | 2021-09-04 15:49 UTC | 2.9 h | resolved |
| [SMS Delivery Delays to Ufone Pakistan](https://rewindex.com/company/twilio/incidents/tjfk1td0mnp3.md) | minor | 2021-09-06 08:31 UTC | 2021-09-06 11:52 UTC | 3.4 h | resolved |
| [Voice Quality Issues with Inbound and Outbound Voice Calls from UK to UK Phone Numbers](https://rewindex.com/company/twilio/incidents/rqlw943jn1k4.md) | minor | 2021-09-06 09:01 UTC | 2021-09-07 17:08 UTC | 32 h | resolved |
| [SMS Delivery Issues for a Subset of Customers in Iran](https://rewindex.com/company/twilio/incidents/5yvm2dkyl599.md) | none | 2021-09-06 17:09 UTC | 2021-09-06 17:29 UTC | 20 min | resolved |
| [SMS Delivery Delays to the Orange Network in Egypt](https://rewindex.com/company/twilio/incidents/p8p69yntmzk5.md) | minor | 2021-09-06 18:44 UTC | 2021-09-07 00:59 UTC | 6.3 h | resolved |
| [MMS Delivery Delays to US Verizon from a Subset of Twilio Short Codes](https://rewindex.com/company/twilio/incidents/dg5gn120xgfq.md) | minor | 2021-09-07 00:03 UTC | 2021-09-07 04:07 UTC | 4.1 h | resolved |
| [SMS Delivery Failure to a subset of Twilio UK numbers](https://rewindex.com/company/twilio/incidents/4lm2zjhzwhvj.md) | minor | 2021-09-07 11:47 UTC | 2021-09-07 12:08 UTC | 21 min | resolved |
| [Connectivity Lost on 7% of Super SIM Devices](https://rewindex.com/company/twilio/incidents/m3tqdffdx4t2.md) | none | 2021-09-07 17:54 UTC | 2021-09-07 17:54 UTC | 0 min | resolved |
| [Error with Programmable Messaging Logs when Filtering by Status in Console](https://rewindex.com/company/twilio/incidents/49hw3srry0qk.md) | minor | 2021-09-07 19:42 UTC | 2021-09-08 20:30 UTC | 25 h | resolved |
| [SMS Delivery Delays to US Sprint and T-Mobile from a Small Subset of Short Codes](https://rewindex.com/company/twilio/incidents/2lld6vr5x3hp.md) | minor | 2021-09-07 19:44 UTC | 2021-09-07 23:37 UTC | 3.9 h | resolved |
| [Automated Alert: Minimal Customer Impact for WhatsApp Message Delays](https://rewindex.com/company/twilio/incidents/gtm2xsd99kj2.md) | major | 2021-09-07 22:21 UTC | 2021-09-07 22:37 UTC | 16 min | resolved |
| [Intermittent Delays when Registering WhatsApp Phone Numbers](https://rewindex.com/company/twilio/incidents/pch06h6qqv48.md) | major | 2021-09-07 23:32 UTC | 2021-09-08 02:11 UTC | 2.6 h | resolved |
| [Automated Alert: Minimal Customer Impact](https://rewindex.com/company/twilio/incidents/wxh5996pt1sf.md) | minor | 2021-09-08 02:02 UTC | 2021-09-08 02:10 UTC | 8 min | resolved |
| [SMS delivery delay to T-Mobile and Sprint US through subset of Twilio shortcodes](https://rewindex.com/company/twilio/incidents/9qq6084327rb.md) | minor | 2021-09-08 02:20 UTC | 2021-09-08 03:29 UTC | 1.1 h | resolved |
| [SMS Delivery Delays Over a Subset of Short Codes to Multiple U.S. Networks](https://rewindex.com/company/twilio/incidents/swg3nbktbhgh.md) | none | 2021-09-08 05:47 UTC | 2021-09-08 05:47 UTC | 0 min | resolved |
| [SMS Delivery Delays to Romania Vodafone network](https://rewindex.com/company/twilio/incidents/rgy7njw57b5q.md) | minor | 2021-09-08 09:22 UTC | 2021-09-08 16:30 UTC | 7.1 h | resolved |
| [Flex Billing API Wrongly Charged Some Customers During Flex Insights Provisioning](https://rewindex.com/company/twilio/incidents/2w71mld9q4nb.md) | none | 2021-09-08 09:51 UTC | 2021-09-08 09:51 UTC | 0 min | resolved |
| [SMS Delivery Delays to Ethiopia MTN Network](https://rewindex.com/company/twilio/incidents/zt2ss4wl2ndk.md) | minor | 2021-09-08 15:18 UTC | 2021-09-09 13:48 UTC | 23 h | resolved |
| [Automated Alert: Minimal Customer Impact](https://rewindex.com/company/twilio/incidents/y5f7xyv18lnk.md) | minor | 2021-09-08 16:07 UTC | 2021-09-08 16:21 UTC | 14 min | resolved |
| [API Service Interruption for Programmable Voice Transcript](https://rewindex.com/company/twilio/incidents/j6r7fct6pfdc.md) | none | 2021-09-08 20:19 UTC | 2021-09-08 20:19 UTC | 0 min | resolved |
| [SMS Delivery Delays to Hutchison 3G UK](https://rewindex.com/company/twilio/incidents/fkp17hczpkjj.md) | none | 2021-09-09 02:44 UTC | 2021-09-09 02:44 UTC | 0 min | resolved |
| [SMS Delivery Delays To Telcel Network In Mexico](https://rewindex.com/company/twilio/incidents/v6wcwsft8mjm.md) | minor | 2021-09-09 05:35 UTC | 2021-09-09 08:48 UTC | 3.2 h | resolved |
| [SMS Delivery Delays to All Networks in Israel (425)](https://rewindex.com/company/twilio/incidents/h5dz7bf43ldb.md) | none | 2021-09-09 10:05 UTC | 2021-09-09 10:05 UTC | 0 min | resolved |
| [Inbound SMS Failures to a Subset of Twilio Singapore Phone Numbers](https://rewindex.com/company/twilio/incidents/sqfmbt6sc83g.md) | minor | 2021-09-09 12:15 UTC | 2021-09-09 16:26 UTC | 4.2 h | resolved |
| [Inbound SMS Failures to a Subset of Twilio Belgium Phone Numbers](https://rewindex.com/company/twilio/incidents/mvz377bjzqkh.md) | minor | 2021-09-09 13:20 UTC | 2021-09-10 02:38 UTC | 13 h | resolved |
| [Inbound SMS Failures to a Subset of Twilio US Long Code Numbers](https://rewindex.com/company/twilio/incidents/y0kth3hfvjrk.md) | minor | 2021-09-09 13:43 UTC | 2021-09-10 03:12 UTC | 13 h | resolved |
| [Subset of Outbound Voice Call Errors](https://rewindex.com/company/twilio/incidents/tvs4gt3mpmvh.md) | minor | 2021-09-09 15:20 UTC | 2021-09-09 16:34 UTC | 1.2 h | resolved |
| [Elevated HTTP 500 Errors for Programmable Voice Recordings API Resource](https://rewindex.com/company/twilio/incidents/nsmy422wgkrl.md) | minor | 2021-09-09 16:53 UTC | 2021-09-09 18:41 UTC | 1.8 h | resolved |
| [Elevated HTTP 500 Errors for A2P Brand Registration API Resource](https://rewindex.com/company/twilio/incidents/hbdy9w8kh6jd.md) | minor | 2021-09-09 17:46 UTC | 2021-09-10 03:16 UTC | 9.5 h | resolved |
| [SMS Delivery Delays to Telesom Network in Somalia](https://rewindex.com/company/twilio/incidents/f4hphr51vn02.md) | minor | 2021-09-09 20:04 UTC | 2021-09-10 02:16 UTC | 6.2 h | resolved |
| [SMS Delivery Delays to to Airtel in Tanzania](https://rewindex.com/company/twilio/incidents/8v5lk0nbfsm6.md) | minor | 2021-09-09 21:15 UTC | 2021-09-10 18:36 UTC | 21 h | resolved |
| [SMS Delivery Delays to Vodafone Network in Egypt](https://rewindex.com/company/twilio/incidents/d7pywt5fn97d.md) | minor | 2021-09-09 21:38 UTC | 2021-09-10 14:27 UTC | 17 h | resolved |
| [Delivery Report Delay For Domestic Traffic In Egypt](https://rewindex.com/company/twilio/incidents/pcby6k08z74k.md) | none | 2021-09-10 03:15 UTC | 2021-09-10 03:15 UTC | 0 min | resolved |
| [Twilio Console Login Issue for Suspended Accounts](https://rewindex.com/company/twilio/incidents/4hz45jgqn5v2.md) | minor | 2021-09-10 04:14 UTC | 2021-09-10 06:29 UTC | 2.3 h | resolved |
| [SMS Delivery Delays To Telkomsel Indonesia](https://rewindex.com/company/twilio/incidents/084bgcsqtnd8.md) | minor | 2021-09-10 11:15 UTC | 2021-09-10 16:08 UTC | 4.9 h | resolved |
| [SMS Delivery Delays to KPN Telecom Netherlands](https://rewindex.com/company/twilio/incidents/1yqbh547j651.md) | minor | 2021-09-10 13:17 UTC | 2021-09-10 16:19 UTC | 3.0 h | resolved |
| [SMS/MMS Delivery Delays and Delivery Report Delays to Multiple US and Canada Networks from Twilio Toll Free Numbers](https://rewindex.com/company/twilio/incidents/ww6mtzp555dr.md) | minor | 2021-09-10 14:52 UTC | 2021-09-11 00:11 UTC | 9.3 h | resolved |
| [Automated Alert: No Customer Impact](https://rewindex.com/company/twilio/incidents/xrhx83mss16z.md) | minor | 2021-09-10 15:22 UTC | 2021-09-10 15:41 UTC | 19 min | resolved |
| [Whatsapp Outbound Messages Delayed to Subset of Numbers](https://rewindex.com/company/twilio/incidents/wt1jwb158h3b.md) | none | 2021-09-10 19:21 UTC | 2021-09-10 19:21 UTC | 0 min | resolved |
| [Flex and Console Pages not Loading or Loading Slowly in APAC Region](https://rewindex.com/company/twilio/incidents/b281q8crrsy1.md) | minor | 2021-09-11 01:31 UTC | 2021-09-11 06:05 UTC | 4.6 h | resolved |
| [SMS Delivery Delay To Tigo Network In Congo](https://rewindex.com/company/twilio/incidents/59hc5nrbmr2b.md) | none | 2021-09-11 07:18 UTC | 2021-09-11 07:18 UTC | 0 min | resolved |
| [Inbound Call Failures to a Subset of Twilio Phone Numbers in Kenya](https://rewindex.com/company/twilio/incidents/hktt9nt5031f.md) | minor | 2021-09-12 12:38 UTC | 2021-09-12 17:01 UTC | 4.4 h | resolved |
| [Inbound Call Failures on a Subset of Twilio Phone Numbers in Belgium](https://rewindex.com/company/twilio/incidents/k6r56vghmbmq.md) | minor | 2021-09-12 15:46 UTC | 2021-09-13 00:33 UTC | 8.8 h | resolved |
| [Inbound SMS Failures to a Subset of Twilio Belgium Phone Numbers](https://rewindex.com/company/twilio/incidents/s42wd51xsq0s.md) | minor | 2021-09-13 08:56 UTC | 2021-09-13 14:05 UTC | 5.2 h | resolved |
| [Inbound SMS Failures to a Subset of Twilio Norway Phone Numbers](https://rewindex.com/company/twilio/incidents/42xtfhsw5rjp.md) | minor | 2021-09-13 09:37 UTC | 2021-09-13 12:20 UTC | 2.7 h | resolved |
| [SMS Delivery Failures and Delivery Report Delays to Telenor Network Norway](https://rewindex.com/company/twilio/incidents/jxxngqq3bywk.md) | minor | 2021-09-13 10:10 UTC | 2021-09-13 12:55 UTC | 2.8 h | resolved |
| [Inbound SMS Failures to US Long Code numbers](https://rewindex.com/company/twilio/incidents/891mwmv86kzq.md) | minor | 2021-09-13 11:11 UTC | 2021-09-13 13:57 UTC | 2.8 h | resolved |
| [SMS Delivery Delays to U.S. Carriers via a Subset of Twilio Long Codes](https://rewindex.com/company/twilio/incidents/6zkfw6896l4p.md) | minor | 2021-09-13 17:15 UTC | 2021-09-13 22:06 UTC | 4.8 h | resolved |
| [SMS Delivery Failures to U.S. Carriers via a Subset of Twilio Toll-Free Numbers](https://rewindex.com/company/twilio/incidents/d9x19s30f75c.md) | minor | 2021-09-13 17:27 UTC | 2021-09-13 20:42 UTC | 3.3 h | resolved |
| [SMS Delivery Delays to Israel Pelephone Network](https://rewindex.com/company/twilio/incidents/5dx7cjdx0yhk.md) | minor | 2021-09-13 17:53 UTC | 2021-09-13 22:16 UTC | 4.4 h | resolved |
| [SMS, MMS and WhatsApp Pricing Info Updates Delayed](https://rewindex.com/company/twilio/incidents/3mtqxs9286mw.md) | minor | 2021-09-13 18:36 UTC | 2021-09-15 14:51 UTC | 44 h | resolved |
| [SMS Delivery Delays to Dominican Republic Orange Network](https://rewindex.com/company/twilio/incidents/j1dzrnz8bq55.md) | minor | 2021-09-13 18:49 UTC | 2021-09-14 01:02 UTC | 6.2 h | resolved |
| [SMS Delivery Delays to MTN Afghanistan](https://rewindex.com/company/twilio/incidents/85kzymv79jkk.md) | minor | 2021-09-13 22:01 UTC | 2021-09-14 12:50 UTC | 15 h | resolved |
| [Issue with Accounts and Organisation Invitations](https://rewindex.com/company/twilio/incidents/vjk8j2d39r59.md) | minor | 2021-09-14 08:03 UTC | 2021-09-14 10:27 UTC | 2.4 h | resolved |
| [SMS Delivery Delays to Nigeria Airtel Network](https://rewindex.com/company/twilio/incidents/grg6k7g7vwtr.md) | minor | 2021-09-14 08:37 UTC | 2021-09-14 11:27 UTC | 2.8 h | resolved |
| [Inbound Call Failures to Twilio Kenya Phone numbers](https://rewindex.com/company/twilio/incidents/9chkm6dt4lx6.md) | minor | 2021-09-14 11:00 UTC | 2021-09-14 13:12 UTC | 2.2 h | resolved |
| [WhatsApp Sandbox Try-It-Out User Interface Issue](https://rewindex.com/company/twilio/incidents/3156nkxtrhqb.md) | minor | 2021-09-14 15:31 UTC | 2021-09-14 20:15 UTC | 4.7 h | resolved |
| [SMS Delivery Delays to Somalia Telesom Network](https://rewindex.com/company/twilio/incidents/zzvcrnc1q1nk.md) | minor | 2021-09-14 18:54 UTC | 2021-09-15 07:45 UTC | 13 h | resolved |
| [Connectivity Lost on 13% of Super SIM Devices](https://rewindex.com/company/twilio/incidents/xzpqsk42tlbw.md) | none | 2021-09-14 23:51 UTC | 2021-09-14 23:51 UTC | 0 min | resolved |
| [Connectivity Lost on 9% of Super SIM Devices](https://rewindex.com/company/twilio/incidents/lrzklx42y26t.md) | minor | 2021-09-15 05:25 UTC | 2021-09-15 05:57 UTC | 32 min | resolved |
| [Programmable Voice Conference Call Announcement 404 Errors](https://rewindex.com/company/twilio/incidents/gkwrwmqt29lv.md) | none | 2021-09-15 14:51 UTC | 2021-09-15 14:51 UTC | 0 min | resolved |
| [Outbound Call Failures to South Africa Vodacom Network](https://rewindex.com/company/twilio/incidents/nr7yby2jfd6q.md) | minor | 2021-09-15 16:23 UTC | 2021-09-16 21:02 UTC | 29 h | resolved |
| [Concatenation Issues for a Subset of Multipart Messages to Telus Canada](https://rewindex.com/company/twilio/incidents/mn29q6f7f7vj.md) | minor | 2021-09-15 21:45 UTC | 2021-09-15 22:26 UTC | 41 min | resolved |
| [Outbound Voice Call Failures via Twilio Flex](https://rewindex.com/company/twilio/incidents/8g72rxt11ckv.md) | minor | 2021-09-15 23:08 UTC | 2021-09-15 23:39 UTC | 31 min | resolved |
| [One Way Audio Issue Affecting Inbound and Outbound Calls to a Subset of Twilio Japan Numbers](https://rewindex.com/company/twilio/incidents/5wg3q3cb9bf4.md) | minor | 2021-09-16 05:25 UTC | 2021-09-17 20:19 UTC | 39 h | resolved |
| [SMS Delivery Delays to Czech Republic O2](https://rewindex.com/company/twilio/incidents/n8b7lf94j6pw.md) | minor | 2021-09-16 09:12 UTC | 2021-09-16 13:58 UTC | 4.8 h | resolved |
| [SMS Delivery Delays to Kuwait Ooredoo](https://rewindex.com/company/twilio/incidents/4zglw4y2dxsn.md) | minor | 2021-09-16 10:39 UTC | 2021-09-16 11:29 UTC | 50 min | resolved |
| [Programmable Voice Degredation for a Subset of Calls to the UK](https://rewindex.com/company/twilio/incidents/ls6v9x3sv45p.md) | none | 2021-09-16 18:16 UTC | 2021-09-16 18:16 UTC | 0 min | resolved |
| [Increased Call Latency and Dropped Calls For A Subset Of Customers In The Japan Region](https://rewindex.com/company/twilio/incidents/m9kb8jpby9tg.md) | minor | 2021-09-17 01:03 UTC | 2021-09-17 02:03 UTC | 1.0 h | resolved |
| [Voice Calls Failures Towards Thailand](https://rewindex.com/company/twilio/incidents/ctx3s71jn0f5.md) | none | 2021-09-17 05:23 UTC | 2021-09-17 08:57 UTC | 3.6 h | resolved |
| [SMS Delivery Delays to Norway Netcom](https://rewindex.com/company/twilio/incidents/d2xpv7t19gp0.md) | minor | 2021-09-17 10:20 UTC | 2021-09-17 14:43 UTC | 4.4 h | resolved |
| [SMS Delivery Delays to Kenya Safaricom](https://rewindex.com/company/twilio/incidents/hs16yg5xz8k0.md) | minor | 2021-09-17 11:53 UTC | 2021-09-17 14:43 UTC | 2.8 h | resolved |
| [MMS Delivery Failures on Sprint and Cingular USA](https://rewindex.com/company/twilio/incidents/4nmjxm0mxryv.md) | major | 2021-09-18 17:12 UTC | 2021-09-18 21:42 UTC | 4.5 h | resolved |
| [SMS Delivery Delays to Orange DR Congo](https://rewindex.com/company/twilio/incidents/xdtqczytjvk5.md) | minor | 2021-09-18 19:01 UTC | 2021-09-19 04:01 UTC | 9.0 h | resolved |
| [SMS Delivery Delays To Telkomsel Indonesia](https://rewindex.com/company/twilio/incidents/hdmydqcb6tnx.md) | minor | 2021-09-19 11:17 UTC | 2021-09-19 21:49 UTC | 11 h | resolved |
| [SMS Delivery Delay and Failure To Telkomcel Timor-Leste](https://rewindex.com/company/twilio/incidents/v7lp631gpds9.md) | minor | 2021-09-19 12:55 UTC | 2021-09-19 21:03 UTC | 8.1 h | resolved |
| [SMS Delivery Delays to Brazil Claro Network](https://rewindex.com/company/twilio/incidents/f69dtw952m9b.md) | none | 2021-09-20 04:30 UTC | 2021-09-20 04:30 UTC | 0 min | resolved |
| [Incoming Voice Calls and Incoming Messages May Have Been Routed to Old Webhooks](https://rewindex.com/company/twilio/incidents/vhmtvy1z9729.md) | none | 2021-09-20 16:45 UTC | 2021-09-20 16:45 UTC | 0 min | resolved |
| [SMS Delivery Delays to Argentina Personal Network](https://rewindex.com/company/twilio/incidents/nsc822w4znlf.md) | minor | 2021-09-21 10:10 UTC | 2021-09-21 19:02 UTC | 8.9 h | resolved |
| [Super SIM delays in connecting to the network](https://rewindex.com/company/twilio/incidents/3mmhlz5257zj.md) | none | 2021-09-21 11:48 UTC | 2021-09-21 11:48 UTC | 0 min | resolved |
| [SMS Delivery Delays to Vodafone Network in Egypt](https://rewindex.com/company/twilio/incidents/fbjyb4dz0byy.md) | minor | 2021-09-21 13:58 UTC | 2021-09-22 08:33 UTC | 19 h | resolved |
| [Studio Flow 5xx Errors](https://rewindex.com/company/twilio/incidents/ybfxl5d7rgf3.md) | none | 2021-09-21 15:55 UTC | 2021-09-21 15:55 UTC | 0 min | resolved |
| [Twilio Console Login Issue With 2FA Validation Code](https://rewindex.com/company/twilio/incidents/q9grfc6mmf4s.md) | minor | 2021-09-21 16:07 UTC | 2021-09-21 19:51 UTC | 3.7 h | resolved |
| [SMS Delivery Delays to the Orange Network in Israel](https://rewindex.com/company/twilio/incidents/mf3c76yrbhqf.md) | minor | 2021-09-21 17:41 UTC | 2021-09-22 12:37 UTC | 19 h | resolved |
| [Automated Alert: No Customer Impact](https://rewindex.com/company/twilio/incidents/438fs5c3rx5w.md) | none | 2021-09-21 19:35 UTC | 2021-09-21 19:43 UTC | 8 min | resolved |
| [Usage Trigger Creation in the Console Continuously Redirecting](https://rewindex.com/company/twilio/incidents/xcjld0ynpq14.md) | minor | 2021-09-21 20:40 UTC | 2021-09-21 21:05 UTC | 25 min | resolved |
| [Call failures to a Subset of Twilio's Sweden Numbers in Prefix Range +46105](https://rewindex.com/company/twilio/incidents/d2vcq0hq9wsq.md) | minor | 2021-09-21 22:01 UTC | 2021-09-22 08:30 UTC | 10 h | resolved |
| [Inbound SMS Delivery Delay to Philippines](https://rewindex.com/company/twilio/incidents/6sy360ct878f.md) | none | 2021-09-22 04:12 UTC | 2021-09-22 04:12 UTC | 0 min | resolved |
| [SMS Delivery Delays to Brazil Oi Network](https://rewindex.com/company/twilio/incidents/vd504n1fw2n5.md) | minor | 2021-09-22 05:20 UTC | 2021-09-22 09:07 UTC | 3.8 h | resolved |
| [SMS Delivery Delays to Cellular Corp Network USA](https://rewindex.com/company/twilio/incidents/9g6hk96b3gbj.md) | minor | 2021-09-22 06:08 UTC | 2021-09-22 08:56 UTC | 2.8 h | resolved |
| [Twilio Console Email Verification Error](https://rewindex.com/company/twilio/incidents/zr38zzs4bpz8.md) | minor | 2021-09-22 17:13 UTC | 2021-09-22 19:48 UTC | 2.6 h | resolved |
| [MMS Delivery Delays and Delivery Report Delays to US Networks via a Subset of Shortcodes](https://rewindex.com/company/twilio/incidents/5gsgvg7thvjt.md) | minor | 2021-09-22 20:08 UTC | 2021-09-22 22:06 UTC | 2.0 h | resolved |
| [SMS Delivery Delays to Tigo network in Guatemala](https://rewindex.com/company/twilio/incidents/phvt31nwxgpn.md) | minor | 2021-09-22 21:54 UTC | 2021-09-23 06:10 UTC | 8.3 h | resolved |
| [MMS Delivery Delays on US Verizon Network](https://rewindex.com/company/twilio/incidents/zn0slrnzr2cf.md) | minor | 2021-09-22 23:41 UTC | 2021-09-23 07:29 UTC | 7.8 h | resolved |
| [Degraded Phone Number Configurations](https://rewindex.com/company/twilio/incidents/qqgrmk7mr6yf.md) | minor | 2021-09-22 23:55 UTC | 2021-09-23 00:41 UTC | 46 min | resolved |
| [SMS Delivery Delays to Tim, Vivo and Oi Networks in Brazil via a Subset of Twilio Shortcodes](https://rewindex.com/company/twilio/incidents/r28p6bct5vdt.md) | minor | 2021-09-23 02:25 UTC | 2021-09-23 05:25 UTC | 3.0 h | resolved |
| [A2P Campaign and Brand Registration Delays](https://rewindex.com/company/twilio/incidents/6xrj0t37gr77.md) | minor | 2021-09-23 08:58 UTC | 2021-09-23 19:03 UTC | 10 h | resolved |
| [A2P Brand Registration Error](https://rewindex.com/company/twilio/incidents/59x6x9z1tbrs.md) | minor | 2021-09-23 17:36 UTC | 2021-09-23 19:03 UTC | 1.4 h | resolved |
| [A2P Campaign and Brand Registration Issues](https://rewindex.com/company/twilio/incidents/mdbncwdf5ml0.md) | minor | 2021-09-23 19:00 UTC | 2021-09-24 09:42 UTC | 15 h | resolved |
| [SMS Delivery Report Delays to US Cellular Network via a Subset of Short Codes](https://rewindex.com/company/twilio/incidents/pjs9m906xn2h.md) | minor | 2021-09-23 20:58 UTC | 2021-09-23 23:00 UTC | 2.0 h | resolved |
| [On Call Engineers are Investigating](https://rewindex.com/company/twilio/incidents/vyjmsxdrvzcp.md) | none | 2021-09-23 23:16 UTC | 2021-09-23 23:24 UTC | 8 min | resolved |
| [Console Login via 2FA Results in a 404 Error](https://rewindex.com/company/twilio/incidents/8xswqh7x3hxv.md) | minor | 2021-09-24 01:10 UTC | 2021-09-24 04:06 UTC | 2.9 h | resolved |
| [Delays in WhatApp Webhooks Updating](https://rewindex.com/company/twilio/incidents/pk86btt32p2y.md) | minor | 2021-09-24 08:43 UTC | 2021-09-24 12:54 UTC | 4.2 h | resolved |
| [SMS Delivery Delays to Multiple Brazilian Networks](https://rewindex.com/company/twilio/incidents/zkbcjcq0r1vn.md) | minor | 2021-09-24 13:41 UTC | 2021-09-24 15:41 UTC | 2.0 h | resolved |
| [Elevated Error Rates and Latency in Studio Call & Message Handling](https://rewindex.com/company/twilio/incidents/49shfp3qvl69.md) | minor | 2021-09-24 15:33 UTC | 2021-09-27 17:29 UTC | 3 d | resolved |
| [Updating Geo Permissions for Voice Error](https://rewindex.com/company/twilio/incidents/6jmsjsklhhtk.md) | minor | 2021-09-24 17:19 UTC | 2021-09-24 20:05 UTC | 2.8 h | resolved |
| [On Call Engineers are Investigating](https://rewindex.com/company/twilio/incidents/788d7l7tvnpg.md) | none | 2021-09-24 21:14 UTC | 2021-09-24 21:30 UTC | 16 min | resolved |
| [Inconsistent Results In Messaging Insights Dashboard](https://rewindex.com/company/twilio/incidents/y8s5tnszlrf5.md) | minor | 2021-09-24 23:32 UTC | 2021-09-25 00:54 UTC | 1.4 h | resolved |
| [Inbound Call Failures to a Subset of Twilio Denmark Phone Numbers](https://rewindex.com/company/twilio/incidents/pn31k6v6xb5l.md) | minor | 2021-09-25 09:02 UTC | 2021-09-25 11:09 UTC | 2.1 h | resolved |
| [SMS Delivery Delays To Sprint U.S. Network via A Subset of Twilio Short Codes](https://rewindex.com/company/twilio/incidents/kzk88gb0nfnp.md) | none | 2021-09-25 19:19 UTC | 2021-09-25 19:19 UTC | 0 min | resolved |
| [Inbound Call Failures to a Subset of Twilio Latin American Numbers (Chile, Peru, Argentina, Ecuador, Brazil, Panama, Colombia)](https://rewindex.com/company/twilio/incidents/qwjb4mz3dsxx.md) | minor | 2021-09-25 20:32 UTC | 2021-09-26 01:40 UTC | 5.1 h | resolved |
| [SMS Delivery Failures to Digicel in El Salvador](https://rewindex.com/company/twilio/incidents/4sg02k4wghjw.md) | minor | 2021-09-26 02:45 UTC | 2021-09-26 10:23 UTC | 7.6 h | resolved |
| [MMS Delivery Delays Sent via US Short Codes](https://rewindex.com/company/twilio/incidents/swyvlf6b9y18.md) | minor | 2021-09-26 19:27 UTC | 2021-09-27 04:37 UTC | 9.2 h | resolved |
| [SMS Delivery Delays to Movilnet Venezuela](https://rewindex.com/company/twilio/incidents/kp71cflp3nv3.md) | minor | 2021-09-26 22:36 UTC | 2021-09-27 01:30 UTC | 2.9 h | resolved |
| [Issue With Branded Calls](https://rewindex.com/company/twilio/incidents/zr6g7z9fjs4k.md) | none | 2021-09-27 02:01 UTC | 2021-09-27 02:57 UTC | 56 min | resolved |
| [5xx Errors When Trying to View Brands](https://rewindex.com/company/twilio/incidents/6wlxy2phgnzp.md) | minor | 2021-09-27 04:45 UTC | 2021-09-27 07:07 UTC | 2.4 h | resolved |
| [On Call Engineers are Investigating](https://rewindex.com/company/twilio/incidents/tqnysc9sfj6t.md) | none | 2021-09-27 08:45 UTC | 2021-09-27 11:38 UTC | 2.9 h | resolved |
| [SMS Delivery Failures to Israel Orange](https://rewindex.com/company/twilio/incidents/7cfv6lh5td88.md) | minor | 2021-09-27 09:04 UTC | 2021-09-27 17:42 UTC | 8.6 h | resolved |
| [SMS and Calls Overcharges for UK Numbers](https://rewindex.com/company/twilio/incidents/b1r9kwyl93rd.md) | minor | 2021-09-27 13:19 UTC | 2021-09-27 22:16 UTC | 8.9 h | resolved |
| [Intermittent 502 HTTPS Responses When Attempting to Load Plugins in Flex](https://rewindex.com/company/twilio/incidents/1whpfrw64b2g.md) | minor | 2021-09-27 16:37 UTC | 2021-09-27 18:24 UTC | 1.8 h | resolved |
| [Elevated Rate of Errors from A2P Campaigns and Brands](https://rewindex.com/company/twilio/incidents/9xp5dvh63ydc.md) | minor | 2021-09-27 19:21 UTC | 2021-09-28 01:15 UTC | 5.9 h | resolved |
| [Twilio Voice PSTN and SIP Calls Experiencing Call Quality and Connection Issues](https://rewindex.com/company/twilio/incidents/qstv1z33xr6h.md) | minor | 2021-09-27 19:26 UTC | 2021-09-28 02:54 UTC | 7.5 h | resolved |
| [SIP Trunking Call Degradation](https://rewindex.com/company/twilio/incidents/j2879285wkm7.md) | none | 2021-09-27 21:39 UTC | 2021-09-28 00:16 UTC | 2.6 h | resolved |
| [SMS Delivery Report Delays to All Networks in UK Via a Subset of UK Longcodes](https://rewindex.com/company/twilio/incidents/f9nzd5pvkj77.md) | minor | 2021-09-28 00:26 UTC | 2021-09-28 07:22 UTC | 6.9 h | resolved |
| [Inbound Call Failures to Denmark Phone Numbers](https://rewindex.com/company/twilio/incidents/fl4hfcrldcx7.md) | minor | 2021-09-28 08:08 UTC | 2021-09-28 11:27 UTC | 3.3 h | resolved |
| [Inbound Call Outage with Twilio Norway Landline Phone Numbers](https://rewindex.com/company/twilio/incidents/ccw14zqmrybz.md) | minor | 2021-09-28 08:14 UTC | 2021-09-28 10:38 UTC | 2.4 h | resolved |
| [SMS Delivery Report Delays to Multiple Networks in the UK](https://rewindex.com/company/twilio/incidents/0ff7s0xgw27b.md) | minor | 2021-09-28 14:04 UTC | 2021-09-28 15:24 UTC | 1.3 h | resolved |
| [Inbound SMS Delays to a Subset of Twilio Phone Numbers in the Czech Republic](https://rewindex.com/company/twilio/incidents/nybdxwzbb213.md) | minor | 2021-09-28 14:46 UTC | 2021-09-28 17:48 UTC | 3.0 h | resolved |
| [SMS Delivery Delays to Pakistan Mobilink](https://rewindex.com/company/twilio/incidents/3hkhkn8svbx9.md) | minor | 2021-09-28 16:21 UTC | 2021-09-28 21:33 UTC | 5.2 h | resolved |
| [SMS Delivery Delays to Pakistan Jazz](https://rewindex.com/company/twilio/incidents/n88cynmjbh35.md) | minor | 2021-09-28 17:34 UTC | 2021-09-28 21:41 UTC | 4.1 h | resolved |
| [SMS Failures Towards the US T-Mobile & Sprint Network](https://rewindex.com/company/twilio/incidents/3rv3v2x1r7sj.md) | minor | 2021-09-29 07:36 UTC | 2021-09-29 10:28 UTC | 2.9 h | resolved |
| [SMS Delivery Report Delays to New Zealand 2degrees Network for a Subset of Short Codes](https://rewindex.com/company/twilio/incidents/8mnz5x2zfqwc.md) | minor | 2021-09-29 21:54 UTC | 2021-09-30 05:40 UTC | 7.8 h | resolved |
| [Voice Call Degradation Over Toll Free Numbers in US](https://rewindex.com/company/twilio/incidents/ln8npjvgn477.md) | minor | 2021-09-29 23:41 UTC | 2021-10-01 00:16 UTC | 25 h | resolved |
| [Expiration of Let's Encrypt's DST Root CA X3 Certificate Causing Connectivity Issues Between Twilio and Applications That Were Dependant on Let's Encrypt's Services](https://rewindex.com/company/twilio/incidents/bbxld6ywy802.md) | none | 2021-09-30 01:49 UTC | 2021-09-30 02:29 UTC | 40 min | resolved |
| [SMS Delivery Delays To AIS Network In Thailand](https://rewindex.com/company/twilio/incidents/64pd4j8vzhx4.md) | minor | 2021-09-30 04:12 UTC | 2021-09-30 09:32 UTC | 5.3 h | resolved |
| [One Way Audio Issue Affecting Inbound and Outbound Calls to a Subset of Twilio Japan Numbers](https://rewindex.com/company/twilio/incidents/p3th29cb5845.md) | minor | 2021-09-30 05:42 UTC | 2021-09-30 15:01 UTC | 9.3 h | resolved |
| [Delivery Receipts Delay Issue for Messages Sent to the Norway Netcom Network](https://rewindex.com/company/twilio/incidents/wymjvcrpd2sn.md) | minor | 2021-09-30 08:53 UTC | 2021-09-30 11:37 UTC | 2.7 h | resolved |
| [MMS Delivery Delays over a Subset of Short Codes in US](https://rewindex.com/company/twilio/incidents/dt5tzvd4ml4k.md) | minor | 2021-09-30 19:34 UTC | 2021-10-01 00:59 UTC | 5.4 h | resolved |
| [Auto Recharge Erroneously Firing](https://rewindex.com/company/twilio/incidents/g66tv7slf8t7.md) | minor | 2021-09-30 21:11 UTC | 2021-10-01 01:58 UTC | 4.8 h | resolved |
| [On Call Engineers are Investigating Calls Failures From and to a Subset of US Twilio Numbers](https://rewindex.com/company/twilio/incidents/qwwk7jp2znbr.md) | none | 2021-09-30 21:42 UTC | 2021-09-30 22:04 UTC | 22 min | resolved |
| [Voice Insights Degraded](https://rewindex.com/company/twilio/incidents/cv14xvgzxtdy.md) | none | 2021-09-30 22:35 UTC | 2021-09-30 22:35 UTC | 0 min | resolved |
| [Twilio Console Billing Usage Summary Page in an Endless Loop](https://rewindex.com/company/twilio/incidents/z8m018c0mpz1.md) | minor | 2021-09-30 23:12 UTC | 2021-10-01 00:36 UTC | 1.4 h | resolved |

## Maintenance

| Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status |
| --- | --- | --- | --- | --- | --- |
| [\[Scheduled\] Mexico SMS Carrier Maintenance - AT&T Mexico.](https://rewindex.com/company/twilio/incidents/wx67q00r9s8f.md) | maintenance | 2021-09-01 05:00 UTC | 2021-09-01 11:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Indonesia SMS Carrier Maintenance - XL Axiata](https://rewindex.com/company/twilio/incidents/mj0twcdq93qx.md) | maintenance | 2021-09-01 19:00 UTC | 2021-09-01 20:00 UTC | 1.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2 Network](https://rewindex.com/company/twilio/incidents/ml0s8jfyyszc.md) | maintenance | 2021-09-01 20:00 UTC | 2021-09-02 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline Network](https://rewindex.com/company/twilio/incidents/cn688tx659tv.md) | maintenance | 2021-09-01 21:03 UTC | 2021-09-02 00:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS/MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/t2cjc4m51vp3.md) | maintenance | 2021-09-02 03:00 UTC | 2021-09-02 06:59 UTC | 4.0 h | resolved |
| [\[Scheduled\] US/CA SMS/MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/myjr4w7kb5dn.md) | maintenance | 2021-09-02 03:01 UTC | 2021-09-02 07:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Costa Rica SMS Carrier Maintenance - ICE](https://rewindex.com/company/twilio/incidents/5jjdbyqcbtm0.md) | maintenance | 2021-09-02 04:00 UTC | 2021-09-02 11:01 UTC | 7.0 h | resolved |
| [\[Scheduled\] Kyrgyzstan SMS Carrier Maintenance - Nur Telecom (O!)](https://rewindex.com/company/twilio/incidents/2t10tp7gsvj6.md) | maintenance | 2021-09-02 19:00 UTC | 2021-09-02 22:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Kazakhstan SMS Carrier Maintenance - Tele2 and Altel](https://rewindex.com/company/twilio/incidents/7d4k1gy51kfy.md) | maintenance | 2021-09-02 20:00 UTC | 2021-09-03 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Chile SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/ysn8ft19rfmr.md) | maintenance | 2021-09-04 04:00 UTC | 2021-09-04 06:00 UTC | 2.0 h | resolved |
| [\[Scheduled\] Kazakhstan SMS Carrier Maintenance - Tele2 and Altel](https://rewindex.com/company/twilio/incidents/92jhlyqgr34v.md) | maintenance | 2021-09-06 20:00 UTC | 2021-09-07 00:01 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2](https://rewindex.com/company/twilio/incidents/7g98rq912gs3.md) | maintenance | 2021-09-06 20:00 UTC | 2021-09-07 00:01 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/1xpxl685j80c.md) | maintenance | 2021-09-06 20:00 UTC | 2021-09-07 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Costa Rica SMS Carrier Maintenance - ICE](https://rewindex.com/company/twilio/incidents/mr3qcp3sr3ww.md) | maintenance | 2021-09-07 04:00 UTC | 2021-09-07 11:00 UTC | 7.0 h | resolved |
| [\[Scheduled\] Mexico SMS Carrier Maintenance - Telcel Mexico](https://rewindex.com/company/twilio/incidents/fk1f8tv57dqc.md) | maintenance | 2021-09-07 04:30 UTC | 2021-09-07 08:00 UTC | 3.5 h | resolved |
| [\[Scheduled\] Indonesia SMS Carrier Maintenance - XL Axiata](https://rewindex.com/company/twilio/incidents/6771kk2l216j.md) | maintenance | 2021-09-07 19:00 UTC | 2021-09-07 19:15 UTC | 15 min | resolved |
| [\[Scheduled\] US SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/2mc8zchnrdtw.md) | maintenance | 2021-09-08 06:00 UTC | 2021-09-08 12:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2 Network](https://rewindex.com/company/twilio/incidents/85l6d1232cph.md) | maintenance | 2021-09-08 20:00 UTC | 2021-09-09 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/8lbwmt7nd8bp.md) | maintenance | 2021-09-08 20:00 UTC | 2021-09-09 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] France SMS Carrier Maintenance - Bouygues Telecom](https://rewindex.com/company/twilio/incidents/0tv3wnd90c53.md) | maintenance | 2021-09-08 21:00 UTC | 2021-09-09 04:00 UTC | 7.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS & MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/glvddzr06d4n.md) | maintenance | 2021-09-09 03:04 UTC | 2021-09-09 07:00 UTC | 3.9 h | resolved |
| [\[Scheduled\] Mexico SMS Carrier Maintenance - Telcel Mexico](https://rewindex.com/company/twilio/incidents/xnskhjn60rt6.md) | maintenance | 2021-09-09 04:00 UTC | 2021-09-09 09:30 UTC | 5.5 h | resolved |
| [\[Scheduled\] Costa Rica SMS Carrier Maintenance - ICE](https://rewindex.com/company/twilio/incidents/wv32jn1v5kzh.md) | maintenance | 2021-09-09 04:00 UTC | 2021-09-09 11:00 UTC | 7.0 h | resolved |
| [\[Scheduled\] Indonesia SMS Carrier Maintenance - Hutchison CP Telecommunications](https://rewindex.com/company/twilio/incidents/fbkhqt94sxp9.md) | maintenance | 2021-09-11 17:00 UTC | 2021-09-11 22:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] Indonesia SMS Carrier Maintenance - Telkomsel](https://rewindex.com/company/twilio/incidents/0n1061xw5p65.md) | maintenance | 2021-09-13 16:00 UTC | 2021-09-13 17:00 UTC | 1.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/2l8s0wrtzjlb.md) | maintenance | 2021-09-13 20:00 UTC | 2021-09-14 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2](https://rewindex.com/company/twilio/incidents/l5mz5dxzq70k.md) | maintenance | 2021-09-13 20:00 UTC | 2021-09-14 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - MOTIV Telecom](https://rewindex.com/company/twilio/incidents/qcz92vw76g90.md) | maintenance | 2021-09-13 21:00 UTC | 2021-09-13 23:00 UTC | 2.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline Russia](https://rewindex.com/company/twilio/incidents/fxdzwjq3j22g.md) | maintenance | 2021-09-13 21:00 UTC | 2021-09-14 00:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Serbia SMS Carrier Maintenance - Telenor](https://rewindex.com/company/twilio/incidents/40mxgpg8bcyz.md) | maintenance | 2021-09-14 02:00 UTC | 2021-09-14 03:00 UTC | 1.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - Sprint US](https://rewindex.com/company/twilio/incidents/qlgzdg9bmst3.md) | maintenance | 2021-09-14 05:03 UTC | 2021-09-14 11:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Mexico SMS Carrier Maintenance - Telefonica Moviles (Movistar)](https://rewindex.com/company/twilio/incidents/8w10fmvkfygd.md) | maintenance | 2021-09-14 06:00 UTC | 2021-09-14 08:00 UTC | 2.0 h | resolved |
| [\[Scheduled\] France SMS Carrier Maintenance - Bouygues Telecom](https://rewindex.com/company/twilio/incidents/cj6mdmtqh0ly.md) | maintenance | 2021-09-14 20:01 UTC | 2021-09-15 04:00 UTC | 8.0 h | resolved |
| [\[Scheduled\] Kyrgyzstan SMS Carrier Maintenance - MEGACOM](https://rewindex.com/company/twilio/incidents/v78dg2qkbz9g.md) | maintenance | 2021-09-14 20:01 UTC | 2021-09-14 23:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/vkv88xwrzk9w.md) | maintenance | 2021-09-14 21:00 UTC | 2021-09-14 21:30 UTC | 30 min | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - AT&T US](https://rewindex.com/company/twilio/incidents/9zst88f2pbp8.md) | maintenance | 2021-09-15 04:30 UTC | 2021-09-15 11:01 UTC | 6.5 h | resolved |
| [\[Scheduled\] Canada SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/mntx76c9ch52.md) | maintenance | 2021-09-15 05:00 UTC | 2021-09-15 07:00 UTC | 2.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - Sprint US](https://rewindex.com/company/twilio/incidents/vhz3tmj2l7yx.md) | maintenance | 2021-09-15 05:00 UTC | 2021-09-15 11:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Japan Voice Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/snz13qypbbhl.md) | maintenance | 2021-09-15 17:00 UTC | 2021-09-15 17:10 UTC | 10 min | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/250tv39v365s.md) | maintenance | 2021-09-15 20:01 UTC | 2021-09-16 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2 Network](https://rewindex.com/company/twilio/incidents/px01cjpwlhll.md) | maintenance | 2021-09-15 20:01 UTC | 2021-09-16 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Kazakhstan SMS Carrier Maintenance - Tele2 and Altel](https://rewindex.com/company/twilio/incidents/jjcv8b7l6ly0.md) | maintenance | 2021-09-15 20:04 UTC | 2021-09-15 23:00 UTC | 2.9 h | resolved |
| [\[Scheduled\] Brazil SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/9qqkk9tqftdk.md) | maintenance | 2021-09-15 20:04 UTC | 2021-09-15 20:30 UTC | 26 min | resolved |
| [\[Scheduled\] US Toll-Free SMS & MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/z1f32mjg3yj8.md) | maintenance | 2021-09-16 03:00 UTC | 2021-09-16 07:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] US/CA SMS/MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/d43j6bgfwlk2.md) | maintenance | 2021-09-16 03:00 UTC | 2021-09-16 07:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - AT&T US](https://rewindex.com/company/twilio/incidents/g355k7nm8y3v.md) | maintenance | 2021-09-16 04:37 UTC | 2021-09-16 11:01 UTC | 6.4 h | resolved |
| [\[Scheduled\] Japan Voice Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/5533c81kcykg.md) | maintenance | 2021-09-16 15:02 UTC | 2021-09-16 15:30 UTC | 28 min | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline Russia](https://rewindex.com/company/twilio/incidents/dt7zdx5qv7jz.md) | maintenance | 2021-09-16 21:00 UTC | 2021-09-17 00:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Costa Rica SMS Carrier Maintenance - ICE](https://rewindex.com/company/twilio/incidents/tf574g2ysyd6.md) | maintenance | 2021-09-17 04:01 UTC | 2021-09-17 11:00 UTC | 7.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline Russia](https://rewindex.com/company/twilio/incidents/ztm3bqd15xqm.md) | maintenance | 2021-09-17 21:00 UTC | 2021-09-18 00:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Canada SMS Carrier Maintenance - Telus Mobility](https://rewindex.com/company/twilio/incidents/w1qcv7rc8cws.md) | maintenance | 2021-09-17 23:01 UTC | 2021-09-18 01:00 UTC | 2.0 h | resolved |
| [\[Scheduled\] US SMS/MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/mxm927tly1py.md) | maintenance | 2021-09-19 06:00 UTC | 2021-09-19 11:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/bqnvq63mvy85.md) | maintenance | 2021-09-19 06:00 UTC | 2021-09-19 11:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] Finland SMS Carrier Maintenance - Telia (Sonera Finland Oyj)](https://rewindex.com/company/twilio/incidents/pq44p6yf7ppc.md) | maintenance | 2021-09-20 19:31 UTC | 2021-09-21 03:00 UTC | 7.5 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/7cqfmc3ngvqn.md) | maintenance | 2021-09-20 20:02 UTC | 2021-09-21 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] UK SMS Carrier Maintenance - O2 UK](https://rewindex.com/company/twilio/incidents/mtrv2xz29g02.md) | maintenance | 2021-09-20 21:32 UTC | 2021-09-21 06:01 UTC | 8.5 h | resolved |
| [\[Scheduled\] Japan SMS Carrier Maintenance - SoftBank](https://rewindex.com/company/twilio/incidents/9z7r9hy48czg.md) | maintenance | 2021-09-21 16:00 UTC | 2021-09-21 21:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] Vietnam SMS Carrier Maintenance - Viettel and Mobifone](https://rewindex.com/company/twilio/incidents/82sq4b55574r.md) | maintenance | 2021-09-21 17:01 UTC | 2021-09-21 19:01 UTC | 2.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline Russia](https://rewindex.com/company/twilio/incidents/3qszs5cjrsg0.md) | maintenance | 2021-09-21 17:02 UTC | 2021-09-22 00:00 UTC | 7.0 h | resolved |
| [\[Scheduled\] SMS Carrier Partner Maintenance - All Airtel Networks](https://rewindex.com/company/twilio/incidents/0fnh420ll13k.md) | maintenance | 2021-09-21 18:30 UTC | 2021-09-22 00:30 UTC | 6.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2](https://rewindex.com/company/twilio/incidents/9whhn545sh5s.md) | maintenance | 2021-09-21 20:02 UTC | 2021-09-22 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - AT&T US](https://rewindex.com/company/twilio/incidents/8vq8prcxz0l9.md) | maintenance | 2021-09-22 04:01 UTC | 2021-09-22 11:00 UTC | 7.0 h | resolved |
| [\[Scheduled\] Malaysia SMS Carrier Maintenance - XOX](https://rewindex.com/company/twilio/incidents/c07yrt27pkqq.md) | maintenance | 2021-09-22 14:00 UTC | 2021-09-22 15:01 UTC | 1.0 h | resolved |
| [\[Scheduled\] Japan SMS Carrier Maintenance - SoftBank](https://rewindex.com/company/twilio/incidents/k5f85nf8dzzz.md) | maintenance | 2021-09-22 16:00 UTC | 2021-09-22 21:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2 Network](https://rewindex.com/company/twilio/incidents/2mgkd07m3w6v.md) | maintenance | 2021-09-22 20:00 UTC | 2021-09-23 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] France SMS Carrier Maintenance - Bouygues Telecom](https://rewindex.com/company/twilio/incidents/f331gy6wtsgy.md) | maintenance | 2021-09-22 23:00 UTC | 2021-09-23 04:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS & MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/nvl0px7mfs54.md) | maintenance | 2021-09-23 03:01 UTC | 2021-09-23 07:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - Verizon US](https://rewindex.com/company/twilio/incidents/g808vj80267b.md) | maintenance | 2021-09-23 03:01 UTC | 2021-09-23 09:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - MTS](https://rewindex.com/company/twilio/incidents/hqzy74s7840d.md) | maintenance | 2021-09-23 04:00 UTC | 2021-09-23 05:30 UTC | 1.5 h | resolved |
| [\[Scheduled\] Guatemala SMS Carrier Maintenance - Tigo (Comcel)](https://rewindex.com/company/twilio/incidents/q7ll8g6l70km.md) | maintenance | 2021-09-23 04:00 UTC | 2021-09-23 07:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - AT&T US](https://rewindex.com/company/twilio/incidents/w132tx6drbqd.md) | maintenance | 2021-09-23 04:33 UTC | 2021-09-23 11:02 UTC | 6.5 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/mn1wmr5r8qlq.md) | maintenance | 2021-09-23 20:01 UTC | 2021-09-24 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Ukraine SMS Carrier Maintenance - Lifecell/Astelit](https://rewindex.com/company/twilio/incidents/k361rzbnql6f.md) | maintenance | 2021-09-23 23:00 UTC | 2021-09-24 03:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Brazil SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/2mdr4z6pkb3s.md) | maintenance | 2021-09-24 10:00 UTC | 2021-09-24 12:00 UTC | 2.0 h | resolved |
| [\[Scheduled\] Brazil SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/qqb95zz60gty.md) | maintenance | 2021-09-25 00:00 UTC | 2021-09-25 00:15 UTC | 15 min | resolved |
| [\[Scheduled\] Brazil SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/vqkj2w9rlj0x.md) | maintenance | 2021-09-26 03:00 UTC | 2021-09-26 09:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - T-Mobile US](https://rewindex.com/company/twilio/incidents/stsgpqr4g18r.md) | maintenance | 2021-09-27 05:02 UTC | 2021-09-27 11:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Vietnam SMS Carrier Maintenance - Vinaphone](https://rewindex.com/company/twilio/incidents/zbd7sddl9s2x.md) | maintenance | 2021-09-27 15:30 UTC | 2021-09-27 16:30 UTC | 1.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2](https://rewindex.com/company/twilio/incidents/hk5fb8ttk3rw.md) | maintenance | 2021-09-27 20:00 UTC | 2021-09-28 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/vjs9v7x2r0mb.md) | maintenance | 2021-09-27 20:00 UTC | 2021-09-28 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Kazakhstan SMS Carrier Maintenance - Tele2 and Altel](https://rewindex.com/company/twilio/incidents/rv10zd4zgvh8.md) | maintenance | 2021-09-27 20:50 UTC | 2021-09-28 01:50 UTC | 5.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Beeline Russia](https://rewindex.com/company/twilio/incidents/64hg9y17dvrc.md) | maintenance | 2021-09-27 21:00 UTC | 2021-09-28 00:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Malta SMS Carrier Maintenance - Epic Communications Limited (ex. VF Malta)](https://rewindex.com/company/twilio/incidents/wxktynpptzvm.md) | maintenance | 2021-09-27 22:00 UTC | 2021-09-28 03:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] SMS Carrier Partner Maintenance - Small US Regional Carriers](https://rewindex.com/company/twilio/incidents/2t71rxrwjxx9.md) | maintenance | 2021-09-28 04:00 UTC | 2021-09-28 09:01 UTC | 5.0 h | resolved |
| [\[Scheduled\] Mexico SMS Carrier Maintenance - Altan](https://rewindex.com/company/twilio/incidents/4ls80bwmty7w.md) | maintenance | 2021-09-28 05:00 UTC | 2021-09-28 08:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Vietnam SMS Carrier Maintenance - Vietnamobile](https://rewindex.com/company/twilio/incidents/wqx3wknw6rp4.md) | maintenance | 2021-09-28 09:03 UTC | 2021-09-28 17:00 UTC | 8.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2](https://rewindex.com/company/twilio/incidents/bml1b03x80lf.md) | maintenance | 2021-09-28 20:02 UTC | 2021-09-29 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] France SMS Carrier Maintenance - Bouygues Telecom](https://rewindex.com/company/twilio/incidents/zn8rhtg92f54.md) | maintenance | 2021-09-28 21:00 UTC | 2021-09-29 04:00 UTC | 7.0 h | resolved |
| [\[Scheduled\] Ukraine SMS Carrier Maintenance - Lifecell](https://rewindex.com/company/twilio/incidents/kmqd23bxbx5b.md) | maintenance | 2021-09-28 21:00 UTC | 2021-09-29 03:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Latvia SMS Carrier Maintenance - LMT GSM](https://rewindex.com/company/twilio/incidents/0j2l1v44qkm5.md) | maintenance | 2021-09-29 03:00 UTC | 2021-09-29 04:02 UTC | 1.0 h | resolved |
| [\[Scheduled\] Chile SMS Carrier Maintenance - Entel PCS](https://rewindex.com/company/twilio/incidents/yw3pqymmp6fm.md) | maintenance | 2021-09-29 03:30 UTC | 2021-09-29 06:00 UTC | 2.5 h | resolved |
| [\[Scheduled\] SMS Carrier Partner Maintenance - All Airtel Networks](https://rewindex.com/company/twilio/incidents/7rfc2jcy0t58.md) | maintenance | 2021-09-29 18:30 UTC | 2021-09-30 00:30 UTC | 6.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Tele2 Network](https://rewindex.com/company/twilio/incidents/m1nvljxlbmsr.md) | maintenance | 2021-09-29 20:00 UTC | 2021-09-30 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Russia SMS Carrier Maintenance - Megafon](https://rewindex.com/company/twilio/incidents/wqhzywwm44fx.md) | maintenance | 2021-09-29 20:00 UTC | 2021-09-30 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] UK SMS Carrier Maintenance - 3 (Hutchison 3G UK Ltd)](https://rewindex.com/company/twilio/incidents/ghjjr99cv1hj.md) | maintenance | 2021-09-29 21:00 UTC | 2021-09-30 05:00 UTC | 8.0 h | resolved |
| [\[Scheduled\] Vietnam SMS Carrier Maintenance - Vietnamobile](https://rewindex.com/company/twilio/incidents/vc04mlftspmh.md) | maintenance | 2021-09-29 21:00 UTC | 2021-09-30 05:00 UTC | 8.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS & MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/3y3y1m6yl98f.md) | maintenance | 2021-09-30 03:01 UTC | 2021-09-30 07:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Maintenance - T-Mobile US](https://rewindex.com/company/twilio/incidents/hlv9k9xz7r6h.md) | maintenance | 2021-09-30 05:03 UTC | 2021-09-30 11:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] UK SMS Carrier Maintenance - O2 UK](https://rewindex.com/company/twilio/incidents/lb9x28mfyp81.md) | maintenance | 2021-09-30 21:31 UTC | 2021-10-01 06:00 UTC | 8.5 h | resolved |

## Cite this

Twilio posted 159 status incidents in September 2021 (3 major or critical); 0 price changes and 0 notable page changes observed.

- Canonical URL: https://rewindex.com/company/twilio/2021/09
- Citation: Twilio, “Twilio in September 2021” (2021-09-01 00:00 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/2021/09 (CC BY 4.0).
- Markdown link: `[Twilio: Twilio in September 2021 (2021-09-01)](https://rewindex.com/company/twilio/2021/09)`


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Canonical: https://rewindex.com/company/twilio/2021/09 · Markdown: https://rewindex.com/company/twilio/2021/09.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T11:03:28.466Z