# Twilio in April 2020: incidents, uptime and changes

> Twilio in April 2020: 103 incidents on its status page (4 major or critical), 96.05% 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/2020/04
Last updated: 2020-05-01T01:19:00Z

- Incidents posted: 103 (major/critical: 4) · Maintenance: 40
- By vendor impact label: major 4, minor 86, none 13
- Uptime (vendor-reported): 96.05% free of major/critical incidents, 63.69% free of any incident; outage time 28 h 24 min, incident time 10.9 days
- Price changes: 0 · Pricing/legal/trust page changes: 0 · Deprecations: 0 · CVEs: 0
- Previous month: [March 2020](https://rewindex.com/company/twilio/2020/03.md) · Next: [May 2020](https://rewindex.com/company/twilio/2020/05.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 |
| --- | --- | --- | --- | --- | --- |
| [Random Text Being Added To Multi Segmented Inbound Messages Sent From Verizon Numbers to Toll Free Numbers](https://rewindex.com/company/twilio/incidents/6kb1g1bmsqr5.md) | major | 2020-04-04 05:34 UTC | 2020-04-05 01:12 UTC | 20 h | resolved |
| [Video REST API connectivity issues](https://rewindex.com/company/twilio/incidents/fyszvy4t4kgw.md) | major | 2020-04-08 10:39 UTC | 2020-04-08 12:44 UTC | 2.1 h | resolved |
| [Some Programmable Wireless SIMs stuck in updating state due to provider maintenance](https://rewindex.com/company/twilio/incidents/yb0c6lpk30tg.md) | major | 2020-04-15 18:10 UTC | 2020-04-16 00:28 UTC | 6.3 h | resolved |
| [Account and project creation on twilio.com is non-functional for some customers.](https://rewindex.com/company/twilio/incidents/s0vp43flv736.md) | major | 2020-04-29 21:10 UTC | 2020-04-29 21:33 UTC | 23 min | resolved |

## All incidents

| Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status |
| --- | --- | --- | --- | --- | --- |
| [SMS Delivery Issue To Viettel Vietnam Over Pre-Registered Sender ID](https://rewindex.com/company/twilio/incidents/2w11k4xvj031.md) | minor | 2020-04-01 04:36 UTC | 2020-04-01 07:01 UTC | 2.4 h | resolved |
| [SMS Delivery Issue To Verizon US Over Toll-Free Numbers](https://rewindex.com/company/twilio/incidents/xg85jzf9yxym.md) | minor | 2020-04-01 05:21 UTC | 2020-04-01 06:39 UTC | 1.3 h | resolved |
| [SMS Delivery failures to Airtell Niger](https://rewindex.com/company/twilio/incidents/y2mf45c90985.md) | minor | 2020-04-01 11:03 UTC | 2020-04-01 12:10 UTC | 1.1 h | resolved |
| [Outbound call failures to Indonesia destinations](https://rewindex.com/company/twilio/incidents/22fxtr9sr6js.md) | minor | 2020-04-01 15:04 UTC | 2020-04-01 15:56 UTC | 52 min | resolved |
| [Signup for Twilio Impact Access Program in the console resulting in HTTP 500 errors](https://rewindex.com/company/twilio/incidents/y8k1yj233ybn.md) | minor | 2020-04-01 19:00 UTC | 2020-04-01 19:28 UTC | 28 min | resolved |
| [Publishing of Voice Insights data is delayed](https://rewindex.com/company/twilio/incidents/7l7df5lddhnz.md) | minor | 2020-04-01 20:51 UTC | 2020-04-02 05:54 UTC | 9.1 h | resolved |
| [Authentication failing on ‘user’ and ‘project’ settings pages in the console](https://rewindex.com/company/twilio/incidents/v75kj21nzpwr.md) | minor | 2020-04-01 23:50 UTC | 2020-04-02 00:11 UTC | 21 min | resolved |
| [SMS Delivery issue To Nepal Telecom](https://rewindex.com/company/twilio/incidents/6s07w24q16lg.md) | minor | 2020-04-02 02:44 UTC | 2020-04-02 08:00 UTC | 5.3 h | resolved |
| [Outbound SMS delivery delays to Airtel Nigeria](https://rewindex.com/company/twilio/incidents/5shhr931m7dv.md) | minor | 2020-04-02 08:44 UTC | 2020-04-02 10:18 UTC | 1.6 h | resolved |
| [Accounts with JPY as currency cannot open support plans page](https://rewindex.com/company/twilio/incidents/37pw88pzm8b8.md) | minor | 2020-04-02 09:24 UTC | 2020-04-02 23:04 UTC | 14 h | resolved |
| [Outbound SMS non delivery to Axis Indonesia](https://rewindex.com/company/twilio/incidents/qg5536ywgrlm.md) | minor | 2020-04-02 12:16 UTC | 2020-04-02 16:24 UTC | 4.1 h | resolved |
| [Outbound SMS delivery to Brazil Claro is failing](https://rewindex.com/company/twilio/incidents/rd22sm4q3385.md) | minor | 2020-04-02 18:13 UTC | 2020-04-02 21:24 UTC | 3.2 h | resolved |
| [Calls to the video-recording-service API result in HTTP 500 errors](https://rewindex.com/company/twilio/incidents/d3h789j5n7pb.md) | minor | 2020-04-02 18:17 UTC | 2020-04-02 20:16 UTC | 2.0 h | resolved |
| [Outbound SMS delivery for domestic registered senderID failing toward XL in Indonesia](https://rewindex.com/company/twilio/incidents/6pvt7d8552bq.md) | minor | 2020-04-03 00:38 UTC | 2020-04-03 01:38 UTC | 1.0 h | resolved |
| [Outbound SMS Delivery Failures to Mauritania](https://rewindex.com/company/twilio/incidents/c8km4k13fm7t.md) | minor | 2020-04-03 07:56 UTC | 2020-04-03 14:56 UTC | 7.0 h | resolved |
| [Inbound calls failing intermittently to a subset of Twilio Belgium numbers.](https://rewindex.com/company/twilio/incidents/n3rqll0lylg5.md) | minor | 2020-04-03 15:07 UTC | 2020-04-03 20:08 UTC | 5.0 h | resolved |
| [Delays with processing account balance changes for some customers](https://rewindex.com/company/twilio/incidents/s8gxvgxc0rh5.md) | minor | 2020-04-03 16:50 UTC | 2020-04-03 18:41 UTC | 1.9 h | resolved |
| [Random Text Being Added To Multi Segmented Inbound Messages Sent From Verizon Numbers to Toll Free Numbers](https://rewindex.com/company/twilio/incidents/6kb1g1bmsqr5.md) | major | 2020-04-04 05:34 UTC | 2020-04-05 01:12 UTC | 20 h | resolved |
| [On Call Engineers are Investigating](https://rewindex.com/company/twilio/incidents/c76rh9jltwdg.md) | none | 2020-04-04 08:53 UTC | 2020-04-04 09:12 UTC | 19 min | resolved |
| [Some inbound calls to Brazil - Porto-Alegre Numbers are failing](https://rewindex.com/company/twilio/incidents/n7t7p5pr08mz.md) | minor | 2020-04-04 16:43 UTC | 2020-04-05 17:28 UTC | 25 h | resolved |
| [Navigation to some parts of twilio.com result in HTTP 500 errors or redirection to other internal Twilio domains](https://rewindex.com/company/twilio/incidents/04ryn7x7qdfp.md) | minor | 2020-04-04 22:41 UTC | 2020-04-05 15:46 UTC | 17 h | resolved |
| [Elevated HTTP 500 errors returned when creating access tokens](https://rewindex.com/company/twilio/incidents/0gm3wfm28z03.md) | minor | 2020-04-05 04:38 UTC | 2020-04-05 06:00 UTC | 1.4 h | resolved |
| [Some SMS messages are pending delivery to Djezzy Algeria handsets](https://rewindex.com/company/twilio/incidents/26h3vp345t11.md) | minor | 2020-04-06 00:51 UTC | 2020-04-06 05:52 UTC | 5.0 h | resolved |
| [HTTP 500 errors returned on Programmable Video Rooms API](https://rewindex.com/company/twilio/incidents/bg8s3plq2vtx.md) | minor | 2020-04-06 04:12 UTC | 2020-04-06 14:39 UTC | 10 h | resolved |
| [Inbound voice call failures to a subset of Manila Twilio numbers in Philippines](https://rewindex.com/company/twilio/incidents/4sj6mbgb8zgr.md) | minor | 2020-04-06 11:27 UTC | 2020-04-06 15:48 UTC | 4.3 h | resolved |
| [Sessions not being closed past expiration in Proxy service](https://rewindex.com/company/twilio/incidents/nbl60r9lh69r.md) | minor | 2020-04-06 14:54 UTC | 2020-04-07 04:57 UTC | 14 h | resolved |
| [SMS Delivery Delays to Movilnet in Venezuela](https://rewindex.com/company/twilio/incidents/6p9dm4p5b0pm.md) | minor | 2020-04-07 00:46 UTC | 2020-04-07 06:49 UTC | 6.0 h | resolved |
| [High Latency and HTTP 500 errors returned on Programmable Video Rooms API](https://rewindex.com/company/twilio/incidents/9dwmmlc4v3hv.md) | minor | 2020-04-07 04:18 UTC | 2020-04-07 06:32 UTC | 2.2 h | resolved |
| [Incorrect calling number displayed to a subset of Switzerland Twilio numbers](https://rewindex.com/company/twilio/incidents/0pql0tcwxnpx.md) | minor | 2020-04-07 11:33 UTC | 2020-04-07 12:02 UTC | 29 min | resolved |
| [Outbound SMS issue to Movilnet network in Venezuela](https://rewindex.com/company/twilio/incidents/t99g0h7qy7db.md) | minor | 2020-04-07 15:09 UTC | 2020-04-08 03:01 UTC | 12 h | resolved |
| [Delays with message delivery status callbacks and delivery status in the messaging API](https://rewindex.com/company/twilio/incidents/8mkhh24yf8l8.md) | minor | 2020-04-07 17:28 UTC | 2020-04-07 21:58 UTC | 4.5 h | resolved |
| [SMS Delivery Delays to both Nextel and Vivo in Brazil](https://rewindex.com/company/twilio/incidents/lbl3kt2r74rn.md) | minor | 2020-04-07 20:39 UTC | 2020-04-08 02:04 UTC | 5.4 h | resolved |
| [Editing TwimlBins in console intermittently resulting in HTTP 302 response](https://rewindex.com/company/twilio/incidents/g9hd17splp3d.md) | minor | 2020-04-07 21:14 UTC | 2020-04-07 22:00 UTC | 46 min | resolved |
| [On Call Engineers are Investigating Video REST API connectivity](https://rewindex.com/company/twilio/incidents/n6598txkhr09.md) | none | 2020-04-08 08:33 UTC | 2020-04-08 09:43 UTC | 1.2 h | resolved |
| [Inbound Calls Failing to a subset of Mexico phone numbers from Guadalajara and Mexico City](https://rewindex.com/company/twilio/incidents/119cqfpk5f13.md) | minor | 2020-04-08 08:50 UTC | 2020-04-08 14:59 UTC | 6.2 h | resolved |
| [Video REST API connectivity issues](https://rewindex.com/company/twilio/incidents/fyszvy4t4kgw.md) | major | 2020-04-08 10:39 UTC | 2020-04-08 12:44 UTC | 2.1 h | resolved |
| [SMS Short Code Delivery Delays both To and From a Subset of US Twilio Numbers](https://rewindex.com/company/twilio/incidents/w5v9hb0ws09h.md) | minor | 2020-04-08 18:35 UTC | 2020-04-08 19:05 UTC | 30 min | resolved |
| [SMS Delivery Delays to Ufone in Pakistan](https://rewindex.com/company/twilio/incidents/kxw4fvrj4hty.md) | minor | 2020-04-08 19:43 UTC | 2020-04-08 21:54 UTC | 2.2 h | resolved |
| [Video API Layer Not Responding to Customer Requests](https://rewindex.com/company/twilio/incidents/dlpc5snhmdxk.md) | none | 2020-04-08 20:40 UTC | 2020-04-08 20:40 UTC | 0 min | resolved |
| [Error Retrieving SIP Domain Data in the Console](https://rewindex.com/company/twilio/incidents/bllkw0l814yc.md) | minor | 2020-04-08 21:15 UTC | 2020-04-08 21:46 UTC | 31 min | resolved |
| [Video service degraded in de1 region](https://rewindex.com/company/twilio/incidents/l72v8ypxdt3h.md) | minor | 2020-04-09 08:01 UTC | 2020-04-09 08:09 UTC | 8 min | resolved |
| [SMS Delivery Failures on Indosat](https://rewindex.com/company/twilio/incidents/pjtjhfwc2rq3.md) | minor | 2020-04-09 08:52 UTC | 2020-04-09 12:01 UTC | 3.1 h | resolved |
| [SMS Pricing Issues When Sending to MTN Uganda](https://rewindex.com/company/twilio/incidents/1nq1n85chvqx.md) | minor | 2020-04-09 12:25 UTC | 2020-04-09 13:56 UTC | 1.5 h | resolved |
| [On Call Engineers are Investigating](https://rewindex.com/company/twilio/incidents/2761hhkp009z.md) | minor | 2020-04-09 13:28 UTC | 2020-04-09 14:57 UTC | 1.5 h | resolved |
| [SMS delivery delays to a subset of Al-Madar numbers in Libya](https://rewindex.com/company/twilio/incidents/hl1szq7kwjr7.md) | minor | 2020-04-10 00:45 UTC | 2020-04-10 11:04 UTC | 10 h | resolved |
| [SMS Delivery Issue To LG Telecom South Korea](https://rewindex.com/company/twilio/incidents/tx8f8fwzbclx.md) | minor | 2020-04-10 03:08 UTC | 2020-04-10 11:02 UTC | 7.9 h | resolved |
| [SMS Delivery Issue To Vodafone Egypt](https://rewindex.com/company/twilio/incidents/kj4c1yd1llty.md) | minor | 2020-04-10 05:00 UTC | 2020-04-10 09:17 UTC | 4.3 h | resolved |
| [Video service degraded in de1 region](https://rewindex.com/company/twilio/incidents/rpyzvxzsxsvg.md) | none | 2020-04-10 07:45 UTC | 2020-04-10 07:45 UTC | 0 min | resolved |
| [Video service degraded in de1 region](https://rewindex.com/company/twilio/incidents/1phvskf74lh7.md) | minor | 2020-04-10 08:28 UTC | 2020-04-10 09:29 UTC | 1.0 h | resolved |
| [The Make a Test Call function is not available in the console](https://rewindex.com/company/twilio/incidents/98h6dqwpp8yq.md) | minor | 2020-04-10 15:26 UTC | 2020-04-10 19:21 UTC | 3.9 h | resolved |
| [Elevated 500s for Video REST API](https://rewindex.com/company/twilio/incidents/1hjht3dtfzvx.md) | minor | 2020-04-11 06:05 UTC | 2020-04-11 06:20 UTC | 15 min | resolved |
| [Insights Data for new messages is delayed](https://rewindex.com/company/twilio/incidents/pwtt9pxc7y8l.md) | minor | 2020-04-11 18:00 UTC | 2020-04-11 18:40 UTC | 40 min | resolved |
| [Inbound calls to Kenya numbers failing.](https://rewindex.com/company/twilio/incidents/qppgt8th2cbs.md) | minor | 2020-04-13 09:42 UTC | 2020-04-13 11:35 UTC | 1.9 h | resolved |
| [Special characters being incorrectly formatted in outbound SMS to Verizon Network in US](https://rewindex.com/company/twilio/incidents/rdl0wjrcv85b.md) | minor | 2020-04-14 12:59 UTC | 2020-04-14 13:25 UTC | 26 min | resolved |
| [Inbound calls to Kenya numbers failing](https://rewindex.com/company/twilio/incidents/xmgjw68qj1nn.md) | minor | 2020-04-15 13:45 UTC | 2020-04-15 22:09 UTC | 8.4 h | resolved |
| [Some customers having trouble with toll-free Verified Caller ID in Console](https://rewindex.com/company/twilio/incidents/6tkcl8v50s22.md) | minor | 2020-04-15 17:24 UTC | 2020-04-16 02:15 UTC | 8.8 h | resolved |
| [Some Programmable Wireless SIMs stuck in updating state due to provider maintenance](https://rewindex.com/company/twilio/incidents/yb0c6lpk30tg.md) | major | 2020-04-15 18:10 UTC | 2020-04-16 00:28 UTC | 6.3 h | resolved |
| [Brief outage experienced in Authy and Verify APIs](https://rewindex.com/company/twilio/incidents/l2bhqzqnfdmz.md) | none | 2020-04-15 23:16 UTC | 2020-04-15 23:16 UTC | 0 min | resolved |
| [SMS Delivery Issue To Vodafone Egypt](https://rewindex.com/company/twilio/incidents/11pyrrqsv41g.md) | minor | 2020-04-16 01:24 UTC | 2020-04-16 03:01 UTC | 1.6 h | resolved |
| [Some Programmable Wireless SIMs may show an incorrect status](https://rewindex.com/company/twilio/incidents/hsfn368lh78x.md) | none | 2020-04-16 12:00 UTC | 2020-04-16 12:00 UTC | 0 min | resolved |
| [Message delivery days to Tanzania Airtel handsets](https://rewindex.com/company/twilio/incidents/66hcljtsmp0h.md) | minor | 2020-04-16 16:44 UTC | 2020-04-16 19:35 UTC | 2.9 h | resolved |
| [Copilot Page Redirecting to Blank Page in Some Accounts](https://rewindex.com/company/twilio/incidents/hg1k3y6gwjcj.md) | minor | 2020-04-16 18:07 UTC | 2020-04-16 18:44 UTC | 37 min | resolved |
| [Elevated errors in Flex](https://rewindex.com/company/twilio/incidents/9y2y5btl9yvl.md) | minor | 2020-04-16 19:13 UTC | 2020-04-17 06:58 UTC | 12 h | resolved |
| [Some inbound calls to Panama numbers failing](https://rewindex.com/company/twilio/incidents/fs9dzp7kv458.md) | minor | 2020-04-16 19:48 UTC | 2020-04-17 10:13 UTC | 14 h | resolved |
| [Errors updating Programmable Wireless SIMs with ICCIDs beginning in 8901240\* activated before 4/13](https://rewindex.com/company/twilio/incidents/3p2my32d7ppq.md) | minor | 2020-04-16 20:35 UTC | 2020-04-17 00:04 UTC | 3.5 h | resolved |
| [Elevated rates of latency and Failures on some Flex and Programable Chat API requests](https://rewindex.com/company/twilio/incidents/2b2fktjx14rc.md) | none | 2020-04-17 05:00 UTC | 2020-04-17 05:00 UTC | 0 min | resolved |
| [Notify - Failures of some broadcast notifications](https://rewindex.com/company/twilio/incidents/162fqj8c559x.md) | minor | 2020-04-17 10:30 UTC | 2020-04-17 11:42 UTC | 1.2 h | resolved |
| [Messages delivery delays to Indonesia Telkomsel](https://rewindex.com/company/twilio/incidents/yv553pf50fh4.md) | minor | 2020-04-17 10:48 UTC | 2020-04-17 11:40 UTC | 52 min | resolved |
| [Flex Insight - delay in data refreshing in the past 3 hours](https://rewindex.com/company/twilio/incidents/f2n7zx37sv2t.md) | minor | 2020-04-17 13:46 UTC | 2020-04-17 15:52 UTC | 2.1 h | resolved |
| [SMS delivery delays to Airtel subscribers in Nigeria](https://rewindex.com/company/twilio/incidents/xn27mnj1vct0.md) | minor | 2020-04-17 20:31 UTC | 2020-04-18 00:02 UTC | 3.5 h | resolved |
| [SMS delivery issues to Hormuud Somalia numbers](https://rewindex.com/company/twilio/incidents/7p5wrdphggr4.md) | minor | 2020-04-18 16:14 UTC | 2020-04-18 18:10 UTC | 1.9 h | resolved |
| [SMS delivery issues to Vodafone Egypt numbers](https://rewindex.com/company/twilio/incidents/0hwb5cclnns7.md) | minor | 2020-04-18 18:12 UTC | 2020-04-18 20:41 UTC | 2.5 h | resolved |
| [Intermittent HTTP 500 errors on Proxy API](https://rewindex.com/company/twilio/incidents/95s5kv9lxsqc.md) | none | 2020-04-19 03:56 UTC | 2020-04-19 04:19 UTC | 23 min | resolved |
| [SMS Delivery Delays to Vodafone Egypt](https://rewindex.com/company/twilio/incidents/0xc3ntpwkn90.md) | minor | 2020-04-19 12:19 UTC | 2020-04-19 17:34 UTC | 5.3 h | resolved |
| [Delays in outbound SMS Messages to Vodafone Egypt](https://rewindex.com/company/twilio/incidents/3wqns7ty7d72.md) | minor | 2020-04-20 09:16 UTC | 2020-04-20 11:35 UTC | 2.3 h | resolved |
| [Messages delivery delays to/from Twilio Toll Free numbers](https://rewindex.com/company/twilio/incidents/y48gmsnlbcnc.md) | minor | 2020-04-20 20:53 UTC | 2020-04-20 21:53 UTC | 1.0 h | resolved |
| [SIP pcaps downloaded from Twilio Console are in JSON format and unreadable](https://rewindex.com/company/twilio/incidents/dsb2b7h8tjfb.md) | minor | 2020-04-20 21:39 UTC | 2020-04-21 07:31 UTC | 9.9 h | resolved |
| [Delays Processing Programmable Wireless Usage and Billing Events](https://rewindex.com/company/twilio/incidents/s3j8j9l3kgz0.md) | minor | 2020-04-21 01:25 UTC | 2020-04-21 13:35 UTC | 12 h | resolved |
| [Programmable Video- Request failures between 6:00-6:45 AM](https://rewindex.com/company/twilio/incidents/rcd8spkywmyz.md) | none | 2020-04-21 04:00 UTC | 2020-04-21 04:00 UTC | 0 min | resolved |
| [On Call Engineers are Investigating Console Slowness after Login](https://rewindex.com/company/twilio/incidents/l970thq5csfs.md) | minor | 2020-04-21 19:24 UTC | 2020-04-21 22:03 UTC | 2.6 h | resolved |
| [SMS Delivery Issues to XL Axiata Indonesia](https://rewindex.com/company/twilio/incidents/3hhy2073h1pj.md) | minor | 2020-04-22 04:00 UTC | 2020-04-22 07:15 UTC | 3.3 h | resolved |
| [Issues receiving Recording Transcriptions from Marketplace Addons](https://rewindex.com/company/twilio/incidents/rg29530cphgf.md) | minor | 2020-04-22 20:11 UTC | 2020-04-23 00:12 UTC | 4.0 h | resolved |
| [Flex and TaskRouter Statistics APIs are degraded](https://rewindex.com/company/twilio/incidents/ncqg640n4d78.md) | minor | 2020-04-23 06:02 UTC | 2020-04-23 07:06 UTC | 1.1 h | resolved |
| [Inbound calls to Kenya numbers failing](https://rewindex.com/company/twilio/incidents/9f714n10xwxf.md) | minor | 2020-04-23 11:47 UTC | 2020-04-23 12:20 UTC | 33 min | resolved |
| [On Call Engineers are Investigating an issue with Twilio Sync Cloud](https://rewindex.com/company/twilio/incidents/nwmdt3xkxrk0.md) | none | 2020-04-23 17:44 UTC | 2020-04-23 18:02 UTC | 18 min | resolved |
| [SMS Delivery Delays to NetOne in Zimbabwe](https://rewindex.com/company/twilio/incidents/94z9kbz6rb83.md) | minor | 2020-04-23 23:03 UTC | 2020-04-24 02:19 UTC | 3.3 h | resolved |
| [SMS Delivery Failures on Airtel Nigeria](https://rewindex.com/company/twilio/incidents/9wb3q8j11sbn.md) | minor | 2020-04-24 01:51 UTC | 2020-04-24 05:50 UTC | 4.0 h | resolved |
| [On Call Engineers are Investigating Issues Purchasing US Toll Free Numbers](https://rewindex.com/company/twilio/incidents/ztxsvf1llyjd.md) | minor | 2020-04-24 18:35 UTC | 2020-04-24 19:56 UTC | 1.4 h | resolved |
| [Debugger Webhooks not being sent when triggered](https://rewindex.com/company/twilio/incidents/r59jc06nr96m.md) | minor | 2020-04-24 19:49 UTC | 2020-04-24 20:46 UTC | 57 min | resolved |
| [Intermittent SMS Delivery and DLR delays via Twilio Toll Free Numbers](https://rewindex.com/company/twilio/incidents/xvx5k5dm16m6.md) | none | 2020-04-24 21:56 UTC | 2020-04-24 22:12 UTC | 16 min | resolved |
| [Some SMS delivery reports are failing to be generated for US short codes](https://rewindex.com/company/twilio/incidents/sts5nnx8z647.md) | minor | 2020-04-27 20:56 UTC | 2020-04-27 21:51 UTC | 55 min | resolved |
| [Debugger webhook HTTP requests are delayed.](https://rewindex.com/company/twilio/incidents/59n6zms7s6mq.md) | minor | 2020-04-27 22:04 UTC | 2020-04-27 23:04 UTC | 1.0 h | resolved |
| [SMS not being delivered to Vodafone Egypt](https://rewindex.com/company/twilio/incidents/6q4hnnszsxq9.md) | minor | 2020-04-28 13:27 UTC | 2020-04-28 16:25 UTC | 3.0 h | resolved |
| [Low availability for a subset of US Local prefixes](https://rewindex.com/company/twilio/incidents/hvjg1215gtrr.md) | none | 2020-04-28 13:56 UTC | 2020-04-28 15:52 UTC | 1.9 h | resolved |
| [Video Compositions Service Delays](https://rewindex.com/company/twilio/incidents/h3zkvc7crc22.md) | minor | 2020-04-29 11:46 UTC | 2020-04-29 20:28 UTC | 8.7 h | resolved |
| [Onboarding for WhatsApp is non-functional](https://rewindex.com/company/twilio/incidents/f275d44fggdg.md) | minor | 2020-04-29 17:51 UTC | 2020-04-29 18:57 UTC | 1.1 h | resolved |
| [Customer API requests to create Outbound Faxes are failing for some customers.](https://rewindex.com/company/twilio/incidents/gl0mrzp39gdv.md) | minor | 2020-04-29 20:47 UTC | 2020-04-29 22:25 UTC | 1.6 h | resolved |
| [Account and project creation on twilio.com is non-functional for some customers.](https://rewindex.com/company/twilio/incidents/s0vp43flv736.md) | major | 2020-04-29 21:10 UTC | 2020-04-29 21:33 UTC | 23 min | resolved |
| [Twilio Chat SDK version 3.3.6 is producing errors.](https://rewindex.com/company/twilio/incidents/f7vlvv3704d6.md) | minor | 2020-04-30 16:20 UTC | 2020-04-30 17:47 UTC | 1.4 h | resolved |
| [Inbound calls to a subset of Colombia numbers are failing.](https://rewindex.com/company/twilio/incidents/hr6dwgllrgbx.md) | minor | 2020-04-30 16:53 UTC | 2020-04-30 21:19 UTC | 4.4 h | resolved |
| [Inbound calls to Ecuador numbers are failing.](https://rewindex.com/company/twilio/incidents/x9t582wvxxwz.md) | minor | 2020-04-30 17:15 UTC | 2020-04-30 21:37 UTC | 4.4 h | resolved |
| [Inbound and outbound SMS from Sprint short codes were delayed from 10:25-10:40 AM PDT](https://rewindex.com/company/twilio/incidents/5s4hxtd0mfj3.md) | none | 2020-04-30 17:39 UTC | 2020-04-30 18:02 UTC | 23 min | resolved |
| [SMS Delivery is delayed to handsets in Syria](https://rewindex.com/company/twilio/incidents/hcpjy3875rxh.md) | minor | 2020-04-30 23:56 UTC | 2020-05-01 01:19 UTC | 1.4 h | resolved |

## Maintenance

| Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status |
| --- | --- | --- | --- | --- | --- |
| [\[Scheduled\] T-Mobile US SMS Toll-Free Carrier Maintenance](https://rewindex.com/company/twilio/incidents/54q4k3vx5gn5.md) | maintenance | 2020-04-01 07:00 UTC | 2020-04-01 10:01 UTC | 3.0 h | resolved |
| [\[Scheduled\] SMS Carrier Partner Maintenance - Small US Regional Carriers](https://rewindex.com/company/twilio/incidents/tqt15kbt9hlb.md) | maintenance | 2020-04-02 03:00 UTC | 2020-04-02 08:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/n2xvjrs1whb7.md) | maintenance | 2020-04-02 04:00 UTC | 2020-04-02 07:01 UTC | 3.0 h | resolved |
| [\[Scheduled\] Verizon US MMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/v0l2rfzszhss.md) | maintenance | 2020-04-02 06:00 UTC | 2020-04-02 07:00 UTC | 1.0 h | resolved |
| [\[Scheduled\] AT&T Mexico - SMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/drmm5k0zr9j6.md) | maintenance | 2020-04-03 06:00 UTC | 2020-04-03 12:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Megafon Russia - SMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/ycn42yl3xhmx.md) | maintenance | 2020-04-06 20:00 UTC | 2020-04-07 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Sprint US SMS Planned Maintenance](https://rewindex.com/company/twilio/incidents/bnxvbr1kms65.md) | maintenance | 2020-04-07 06:00 UTC | 2020-04-07 12:01 UTC | 6.0 h | resolved |
| [\[Scheduled\] US SMS/MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/r433vs2hncrt.md) | maintenance | 2020-04-07 06:00 UTC | 2020-04-07 10:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] Sprint US SMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/qzr60cv3g893.md) | maintenance | 2020-04-08 05:00 UTC | 2020-04-08 11:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] T-Mobile US SMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/z12krbgnghcd.md) | maintenance | 2020-04-08 07:01 UTC | 2020-04-08 10:01 UTC | 3.0 h | resolved |
| [\[Scheduled\] Megafon Russia - SMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/b9kmrxss8k41.md) | maintenance | 2020-04-08 20:00 UTC | 2020-04-09 00:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/zxcfgv2z4mt0.md) | maintenance | 2020-04-09 04:01 UTC | 2020-04-09 07:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] T-Mobile US SMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/d7wkls480lps.md) | maintenance | 2020-04-13 07:00 UTC | 2020-04-13 10:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/z1c6knc2p6h5.md) | maintenance | 2020-04-14 04:00 UTC | 2020-04-14 10:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] Verizon US MMS Carrier Maintenance](https://rewindex.com/company/twilio/incidents/fy8llgbk5b8k.md) | maintenance | 2020-04-14 06:00 UTC | 2020-04-14 07:00 UTC | 1.0 h | resolved |
| [\[Scheduled\] US SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/s61lkll26fzj.md) | maintenance | 2020-04-15 04:31 UTC | 2020-04-15 11:30 UTC | 7.0 h | resolved |
| [\[Scheduled\] SMS Carrier Maintenance - US Cellular](https://rewindex.com/company/twilio/incidents/xsw1wgqcy8zr.md) | maintenance | 2020-04-15 04:31 UTC | 2020-04-15 06:30 UTC | 2.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/sjwnssdpfnrm.md) | maintenance | 2020-04-16 04:01 UTC | 2020-04-16 07:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] Programmable Wireless Extended Maintenance - SIM's in 'updating\`](https://rewindex.com/company/twilio/incidents/l91hpmsw4glh.md) | maintenance | 2020-04-16 07:01 UTC | 2020-04-16 19:00 UTC | 12 h | resolved |
| [\[Scheduled\] Programmable Wireless Extended Maintenance - SIM's in 'updating\`](https://rewindex.com/company/twilio/incidents/v687yyvb3vpy.md) | maintenance | 2020-04-17 04:01 UTC | 2020-04-17 19:00 UTC | 15 h | resolved |
| [\[Scheduled\] US SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/pg5rdf43mv9b.md) | maintenance | 2020-04-18 17:00 UTC | 2020-04-18 23:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/4p0hm9d3tqw9.md) | maintenance | 2020-04-20 04:00 UTC | 2020-04-20 06:59 UTC | 3.0 h | resolved |
| [\[Scheduled\] SMS Carrier Maintenance - T-Mobile US](https://rewindex.com/company/twilio/incidents/3c77vk2jsgr2.md) | maintenance | 2020-04-20 06:30 UTC | 2020-04-20 10:00 UTC | 3.5 h | resolved |
| [\[Scheduled\] Programmable Wireless Extended Maintenance - SIM’s in ‘updating\`](https://rewindex.com/company/twilio/incidents/2gmbs7ymndwd.md) | maintenance | 2020-04-20 06:45 UTC | 2020-04-20 21:45 UTC | 15 h | resolved |
| [\[Scheduled\] Beeline Russia - SMS Carrier Partner Maintenance - 20 April 2020 14:00 PDT - 20 April 2019 18:00 PDT](https://rewindex.com/company/twilio/incidents/y28mf1gjd1j4.md) | maintenance | 2020-04-20 21:00 UTC | 2020-04-21 01:01 UTC | 4.0 h | resolved |
| [\[Scheduled\] Twilio Interconnect Ashburn, Virginia (US1) Emergency Maintenance](https://rewindex.com/company/twilio/incidents/h0x38sjvszqh.md) | maintenance | 2020-04-21 04:01 UTC | 2020-04-21 04:30 UTC | 29 min | resolved |
| [\[Scheduled\] SMS Carrier Maintenance - Sprint US](https://rewindex.com/company/twilio/incidents/1f60xmpnplb3.md) | maintenance | 2020-04-21 05:02 UTC | 2020-04-21 10:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] Scheduled Video TURN Service Maintenance](https://rewindex.com/company/twilio/incidents/hdsxj4wr7zfw.md) | maintenance | 2020-04-22 01:31 UTC | 2020-04-22 02:57 UTC | 1.4 h | resolved |
| [\[Scheduled\] SMS Carrier Partner Maintenance - Small US Regional Carriers](https://rewindex.com/company/twilio/incidents/cjbmd5kl1hym.md) | maintenance | 2020-04-22 04:00 UTC | 2020-04-22 08:30 UTC | 4.5 h | resolved |
| [\[Scheduled\] SMS Carrier Maintenance - T-Mobile US](https://rewindex.com/company/twilio/incidents/5zt997yn1n76.md) | maintenance | 2020-04-22 06:01 UTC | 2020-04-22 10:01 UTC | 4.0 h | resolved |
| [\[Scheduled\] Beeline Russia - SMS Carrier Partner Maintenance - 22 April 2020 11:00 PDT - 22 April 2019 14:00 PDT](https://rewindex.com/company/twilio/incidents/gc0llr3ywkzl.md) | maintenance | 2020-04-22 18:00 UTC | 2020-04-22 21:00 UTC | 3.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/qmp85k2txt13.md) | maintenance | 2020-04-23 04:01 UTC | 2020-04-23 06:59 UTC | 3.0 h | resolved |
| [\[Scheduled\] Network Traversal Service (STUN/TURN) Maintenance](https://rewindex.com/company/twilio/incidents/ggrhzn9rv9kt.md) | maintenance | 2020-04-25 04:00 UTC | 2020-04-25 09:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] US SMS and MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/njsvbzs7kd1x.md) | maintenance | 2020-04-28 06:00 UTC | 2020-04-28 10:00 UTC | 4.0 h | resolved |
| [\[Scheduled\] SMS Carrier Maintenance - T-Mobile US](https://rewindex.com/company/twilio/incidents/zcyswl9y5q5c.md) | maintenance | 2020-04-29 05:00 UTC | 2020-04-29 10:00 UTC | 5.0 h | resolved |
| [\[Scheduled\] SMS Carrier Partner Maintenance - Small US Regional Carriers](https://rewindex.com/company/twilio/incidents/3pd0jfqnmnjb.md) | maintenance | 2020-04-29 05:46 UTC | 2020-04-29 09:01 UTC | 3.3 h | resolved |
| [\[Scheduled\] US SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/rxcjcl40ml6m.md) | maintenance | 2020-04-30 00:30 UTC | 2020-04-30 08:30 UTC | 8.0 h | resolved |
| [\[Scheduled\] US Toll-Free SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/nznjtt4thv4t.md) | maintenance | 2020-04-30 04:00 UTC | 2020-04-30 06:59 UTC | 3.0 h | resolved |
| [\[Scheduled\] SMS Carrier Maintenance - T-Mobile US](https://rewindex.com/company/twilio/incidents/hf8cw8wg56wf.md) | maintenance | 2020-04-30 04:01 UTC | 2020-04-30 10:00 UTC | 6.0 h | resolved |
| [\[Scheduled\] SMS Carrier Maintenance - US Cellular USA](https://rewindex.com/company/twilio/incidents/72dtbjzrgb1q.md) | maintenance | 2020-04-30 06:01 UTC | 2020-04-30 09:00 UTC | 3.0 h | resolved |

## Cite this

Twilio posted 103 status incidents in April 2020 (4 major or critical); 0 price changes and 0 notable page changes observed.

- Canonical URL: https://rewindex.com/company/twilio/2020/04
- Citation: Twilio, “Twilio in April 2020” (2020-04-01 00:00 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/2020/04 (CC BY 4.0).
- Markdown link: `[Twilio: Twilio in April 2020 (2020-04-01)](https://rewindex.com/company/twilio/2020/04)`


---
Canonical: https://rewindex.com/company/twilio/2020/04 · Markdown: https://rewindex.com/company/twilio/2020/04.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:53:21.434Z