# Twilio in December 2015: incidents, uptime and changes > Twilio in December 2015: 26 incidents on its status page (1 major or critical), 99.97% 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/2015/12 Last updated: 2016-01-01T00:00:00Z - Incidents posted: 26 (major/critical: 1) · Maintenance: 0 - By vendor impact label: major 1, minor 21, none 4 - Uptime (vendor-reported): 99.97% free of major/critical incidents, 81.08% free of any incident; outage time 9 min, incident time 5.9 days - Price changes: 0 · Pricing/legal/trust page changes: 0 · Deprecations: 0 · CVEs: 0 - Previous month: [November 2015](https://rewindex.com/company/twilio/2015/11.md) · Next: [January 2016](https://rewindex.com/company/twilio/2016/01.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 | | --- | --- | --- | --- | --- | --- | | [500 errors in Account Portal](https://rewindex.com/company/twilio/incidents/xmvg72ghf3vn.md) | major | 2015-12-02 18:38 UTC | 2015-12-02 18:47 UTC | 9 min | resolved | ## All incidents | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Duration | Status | | --- | --- | --- | --- | --- | --- | | [Outgoing Shortcode MMS - Multiple Replies](https://rewindex.com/company/twilio/incidents/zg6bhvqsdcgs.md) | minor | 2015-12-01 00:28 UTC | 2015-12-01 10:12 UTC | 9.7 h | resolved | | [Transcription Callback Delays](https://rewindex.com/company/twilio/incidents/t0glsf7sfmc5.md) | minor | 2015-12-01 20:42 UTC | 2015-12-01 22:35 UTC | 1.9 h | resolved | | [Sporadic 500 errors on Twilio.com webpages](https://rewindex.com/company/twilio/incidents/mx2j695l5jl3.md) | minor | 2015-12-02 06:16 UTC | 2015-12-02 07:02 UTC | 46 min | resolved | | [500 errors in Account Portal](https://rewindex.com/company/twilio/incidents/xmvg72ghf3vn.md) | major | 2015-12-02 18:38 UTC | 2015-12-02 18:47 UTC | 9 min | resolved | | [Audio Quality Issues - High Jitter](https://rewindex.com/company/twilio/incidents/gd2p752ggy50.md) | none | 2015-12-02 19:31 UTC | 2015-12-02 21:43 UTC | 2.2 h | resolved | | [Short Code SMS Failures](https://rewindex.com/company/twilio/incidents/pt9clvh3qrw2.md) | minor | 2015-12-03 19:37 UTC | 2015-12-03 20:04 UTC | 27 min | resolved | | [Transcription Callback Delays](https://rewindex.com/company/twilio/incidents/63z0t10gc28z.md) | minor | 2015-12-04 18:24 UTC | 2015-12-05 00:55 UTC | 6.5 h | resolved | | [TaskRoute Service Degradation](https://rewindex.com/company/twilio/incidents/w4bg87s5ts9k.md) | none | 2015-12-10 02:01 UTC | 2015-12-10 02:01 UTC | 0 min | resolved | | [Intermittent delays to multiple SMS carriers in the USA.](https://rewindex.com/company/twilio/incidents/0rqz1vjpbkyr.md) | minor | 2015-12-10 22:19 UTC | 2015-12-11 01:49 UTC | 3.5 h | resolved | | [Global Conference Errors Occurring](https://rewindex.com/company/twilio/incidents/vrpfdw8sxrn3.md) | none | 2015-12-12 17:53 UTC | 2015-12-12 17:59 UTC | 6 min | resolved | | [Intermittent Errors using the Lookup API](https://rewindex.com/company/twilio/incidents/s1zll9d8vqcf.md) | minor | 2015-12-12 21:56 UTC | 2015-12-12 22:25 UTC | 29 min | resolved | | [Intermittent service issues with Conference](https://rewindex.com/company/twilio/incidents/1s4c2p79xv1r.md) | minor | 2015-12-14 09:29 UTC | 2015-12-14 10:26 UTC | 57 min | resolved | | [Intermittent service issues with Conference](https://rewindex.com/company/twilio/incidents/7pzpbyc1qs44.md) | minor | 2015-12-14 12:13 UTC | 2015-12-14 13:03 UTC | 50 min | resolved | | [Intermittent service issues with Client](https://rewindex.com/company/twilio/incidents/xxt5bwj4ylzx.md) | minor | 2015-12-14 12:15 UTC | 2015-12-14 13:03 UTC | 48 min | resolved | | [Intermittent service issues with PSTN calls](https://rewindex.com/company/twilio/incidents/ltfr2p17140z.md) | minor | 2015-12-14 12:18 UTC | 2015-12-14 13:03 UTC | 45 min | resolved | | [Delays firing Monitor Alert Triggers](https://rewindex.com/company/twilio/incidents/r4n3m0q55x3c.md) | minor | 2015-12-14 19:02 UTC | 2015-12-19 00:26 UTC | 4 d | resolved | | [Transcription notification callbacks not sent](https://rewindex.com/company/twilio/incidents/ztqfwgl6kmy5.md) | minor | 2015-12-14 20:27 UTC | 2015-12-14 20:27 UTC | 0 min | resolved | | [Failures in processing Say verb](https://rewindex.com/company/twilio/incidents/9m4mbnfy2yzy.md) | minor | 2015-12-15 04:55 UTC | 2015-12-15 04:55 UTC | 0 min | resolved | | [Delays in helpdesk responses via email](https://rewindex.com/company/twilio/incidents/sdydck5vwzs1.md) | minor | 2015-12-17 12:33 UTC | 2015-12-17 14:28 UTC | 1.9 h | resolved | | [Call quality issues for inbound calls in Brazil](https://rewindex.com/company/twilio/incidents/d98x7bdftr28.md) | minor | 2015-12-17 18:46 UTC | 2015-12-18 14:28 UTC | 20 h | resolved | | [Elevated error levels for Rest API services](https://rewindex.com/company/twilio/incidents/4bpbd6grq36q.md) | minor | 2015-12-17 22:01 UTC | 2015-12-17 22:01 UTC | 0 min | resolved | | [Increase in API error rates](https://rewindex.com/company/twilio/incidents/mwy2csvz6v4n.md) | minor | 2015-12-23 17:17 UTC | 2015-12-23 18:04 UTC | 47 min | resolved | | [Delays in helpdesk responses via email](https://rewindex.com/company/twilio/incidents/ywldzkqp2nv2.md) | minor | 2015-12-23 17:23 UTC | 2015-12-23 19:01 UTC | 1.6 h | resolved | | [Fetching Messages via API returns 500 errors](https://rewindex.com/company/twilio/incidents/lv0v22w0f77z.md) | minor | 2015-12-29 17:07 UTC | 2015-12-29 17:28 UTC | 21 min | resolved | | [Some Participants Could Not Join Conference Calls](https://rewindex.com/company/twilio/incidents/4cht75s43p29.md) | none | 2015-12-30 18:20 UTC | 2015-12-30 18:20 UTC | 0 min | resolved | | [Transcription Services Delay](https://rewindex.com/company/twilio/incidents/70mf4qg97fll.md) | minor | 2015-12-30 21:30 UTC | 2015-12-31 09:27 UTC | 12 h | resolved | ## Cite this Twilio posted 26 status incidents in December 2015 (1 major or critical); 0 price changes and 0 notable page changes observed. - Canonical URL: https://rewindex.com/company/twilio/2015/12 - Citation: Twilio, “Twilio in December 2015” (2015-12-01 00:00 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/2015/12 (CC BY 4.0). - Markdown link: `[Twilio: Twilio in December 2015 (2015-12-01)](https://rewindex.com/company/twilio/2015/12)` --- Canonical: https://rewindex.com/company/twilio/2015/12 · Markdown: https://rewindex.com/company/twilio/2015/12.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:53:21.897Z