# Outages on March 31, 2021 (UTC)

> 28 incidents started on March 31, 2021 (UTC) on the status pages Rewindex archives, 4 labelled major or critical by the vendor (Substack, Confluent, MongoDB Atlas); 6 more were still open from earlier days.

Canonical: https://rewindex.com/outages/2021-03-31
Last updated: 2021-04-01T16:28:00Z

- Incidents started: 28 (major/critical: 4, other: 24) across 20 vendors
- Still open from earlier days: 6 · Maintenance windows: 10 · Detected outage events: 0
- By vendor impact label: critical 1, major 3, minor 18, none 6
- Previous day with incidents: [2021-03-30](https://rewindex.com/outages/2021-03-30.md) · Next: [2021-04-01](https://rewindex.com/outages/2021-04-01.md) · [All days](https://rewindex.com/outages.md)

Impact labels are the vendor’s own. Incidents come from each vendor’s status page; Rewindex does not measure outages.

## Incidents started this day

| Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status |
| --- | --- | --- | --- | --- | --- |
| [Substack](https://rewindex.com/company/substack.md) | [Outage](https://rewindex.com/company/substack/incidents/6q3zlrl35ksy.md) | critical | 2021-03-31 14:48 UTC | 2021-03-31 14:59 UTC | resolved |
| [Confluent](https://rewindex.com/company/confluent.md) | [Some User-Facing Metrics are Delayed or Incomplete](https://rewindex.com/company/confluent/incidents/69jmhqdzm12b.md) | major | 2021-03-31 19:33 UTC | 2021-03-31 21:35 UTC | resolved |
| [MongoDB Atlas](https://rewindex.com/company/mongodb-atlas.md) | [MongoDB Atlas: Atlas Data Lakes with clusters in Azure or GCP returning errors](https://rewindex.com/company/mongodb-atlas/incidents/3svzg9ypx22w.md) | major | 2021-03-31 21:05 UTC | 2021-03-31 21:46 UTC | resolved |
| [Xero](https://rewindex.com/company/xero.md) | [Some users experiencing performance issues in Xero](https://rewindex.com/company/xero/incidents/wyp8hpz5tsph.md) | major | 2021-03-31 22:39 UTC | 2021-03-31 23:43 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [Requests from Autopilot to Studio Webhooks are resulting in 400s](https://rewindex.com/company/twilio/incidents/j285njsk6xr1.md) | minor | 2021-03-31 00:12 UTC | 2021-03-31 00:29 UTC | resolved |
| [Datadog](https://rewindex.com/company/datadog.md) | [Intermittent Delays Collecting AWS Metrics](https://rewindex.com/company/datadog/incidents/tnntm3qzh6tz.md) | minor | 2021-03-31 00:54 UTC | 2021-03-31 01:43 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS delivery Delays to MTN Network in Ghana](https://rewindex.com/company/twilio/incidents/kj0gx3rj9hdx.md) | minor | 2021-03-31 01:06 UTC | 2021-03-31 03:47 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [High latency for \< Say \> Verb](https://rewindex.com/company/twilio/incidents/lf4xgghm2gnh.md) | minor | 2021-03-31 02:12 UTC | 2021-03-31 03:20 UTC | resolved |
| [MessageBird (Bird)](https://rewindex.com/company/messagebird-bird.md) | [Delays on sending and receiving WhatsApp messages](https://rewindex.com/company/messagebird-bird/incidents/87wvxmnwvkwn.md) | minor | 2021-03-31 07:58 UTC | 2021-03-31 09:11 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays To Israel Pelephone](https://rewindex.com/company/twilio/incidents/g0ktzzhrlffb.md) | minor | 2021-03-31 09:57 UTC | 2021-03-31 20:38 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Receipt Delays from Vietnam Vietnamobile](https://rewindex.com/company/twilio/incidents/ry2n4y9n4rjf.md) | minor | 2021-03-31 10:30 UTC | 2021-03-31 14:18 UTC | resolved |
| [Scaleway](https://rewindex.com/company/scaleway.md) | [\[DC3\] RPN switch issue in DC3 Room 31 Rack B16](https://rewindex.com/company/scaleway/incidents/ct2w421m79rc.md) | minor | 2021-03-31 10:38 UTC | 2021-03-31 10:38 UTC | resolved |
| [Aircall](https://rewindex.com/company/aircall.md) | [Delays on tickets and activities logs](https://rewindex.com/company/aircall/incidents/zp5wzt41pd5w.md) | minor | 2021-03-31 11:17 UTC | 2021-03-31 11:39 UTC | resolved |
| [GitHub Copilot](https://rewindex.com/company/github-copilot.md) | [Incident on 2021-03-31 14:09 UTC](https://rewindex.com/company/github-copilot/incidents/md8qdhrdpw38.md) | minor | 2021-03-31 14:09 UTC | 2021-03-31 16:50 UTC | resolved |
| [GitHub](https://rewindex.com/company/github.md) | [Incident on 2021-03-31 14:09 UTC](https://rewindex.com/company/github/incidents/md8qdhrdpw38.md) | minor | 2021-03-31 14:09 UTC | 2021-03-31 16:50 UTC | resolved |
| [Smartsheet](https://rewindex.com/company/smartsheet.md) | [Search Delays](https://rewindex.com/company/smartsheet/incidents/0ntbllyhp03q.md) | minor | 2021-03-31 16:21 UTC | 2021-03-31 18:33 UTC | resolved |
| [Plivo](https://rewindex.com/company/plivo.md) | [Delivery delay on inbound MMS towards the US and Canada phone numbers](https://rewindex.com/company/plivo/incidents/g6rf4txj08wq.md) | minor | 2021-03-31 17:18 UTC | 2021-03-31 17:21 UTC | resolved |
| [Confluent](https://rewindex.com/company/confluent.md) | [Experiencing delays in certain key life cycle management operations.](https://rewindex.com/company/confluent/incidents/82ns426cxtpt.md) | minor | 2021-03-31 17:19 UTC | 2021-03-31 17:42 UTC | resolved |
| [Help Scout](https://rewindex.com/company/help-scout.md) | [Connections Issues](https://rewindex.com/company/help-scout/incidents/dpqnnk11b7p3.md) | minor | 2021-03-31 17:23 UTC | 2021-03-31 18:02 UTC | resolved |
| [Plivo](https://rewindex.com/company/plivo.md) | [Call failures on inbound voice towards Brazil phone numbers](https://rewindex.com/company/plivo/incidents/8c931xgxb1q7.md) | minor | 2021-03-31 20:07 UTC | 2021-04-01 16:28 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Report Delays over Canada Bell Mobility Network(302-610)](https://rewindex.com/company/twilio/incidents/0v0l52yk5t2c.md) | minor | 2021-03-31 22:16 UTC | 2021-04-01 02:27 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [Delivery Issue- Bell Canada - CA](https://rewindex.com/company/sinch/incidents/r2rcr3blg7wl.md) | minor | 2021-03-31 23:42 UTC | 2021-04-01 04:40 UTC | resolved |
| [MessageBird (Bird)](https://rewindex.com/company/messagebird-bird.md) | [Delays delivering SMS](https://rewindex.com/company/messagebird-bird/incidents/kzf8zygzpkbf.md) | none | 2021-03-31 09:10 UTC | 2021-03-31 09:39 UTC | resolved |
| [Hotjar](https://rewindex.com/company/hotjar.md) | [Recordings player not working on Safari](https://rewindex.com/company/hotjar/incidents/dkdmfhbzs0j0.md) | none | 2021-03-31 09:30 UTC | 2021-03-31 09:30 UTC | resolved |
| [Snyk](https://rewindex.com/company/snyk.md) | [Reporting may have delayed data](https://rewindex.com/company/snyk/incidents/kvx7pcj3449x.md) | none | 2021-03-31 10:13 UTC | 2021-03-31 11:54 UTC | resolved |
| [Elastic Cloud](https://rewindex.com/company/elastic-cloud.md) | [Elastic Cloud management console unavailable](https://rewindex.com/company/elastic-cloud/incidents/nrk2mg135z46.md) | none | 2021-03-31 14:24 UTC | 2021-03-31 14:24 UTC | resolved |
| [Keeper](https://rewindex.com/company/keeper.md) | [File attachment upload/download issues resolved](https://rewindex.com/company/keeper/incidents/4500d577g4rw.md) | none | 2021-03-31 17:17 UTC | 2021-03-31 17:17 UTC | resolved |
| [Dropbox](https://rewindex.com/company/dropbox.md) | [Dropbox was down](https://rewindex.com/company/dropbox/incidents/cj7kd840g4kk.md) | none | 2021-03-31 21:00 UTC | 2021-03-31 21:00 UTC | resolved |

## Still open from earlier days

| Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status |
| --- | --- | --- | --- | --- | --- |
| [PyPI (Python Infrastructure)](https://rewindex.com/company/pypi.md) | [Deprecation of support for non-SNI clients.](https://rewindex.com/company/pypi/incidents/hzmjhqsdjqgb.md) | major | 2021-03-24 14:25 UTC | 2021-05-11 09:40 UTC | resolved |
| [Heap](https://rewindex.com/company/heap.md) | [Salesforce Sources Page Outage](https://rewindex.com/company/heap/incidents/07g42pb3nfzt.md) | major | 2021-03-30 20:57 UTC | 2021-03-31 14:15 UTC | resolved |
| [Statuspage](https://rewindex.com/company/statuspage.md) | [Some customers are unable to modify billing of their page.](https://rewindex.com/company/statuspage/incidents/g3vhcyk991bj.md) | minor | 2021-03-29 18:28 UTC | 2021-04-12 04:28 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [Operator Notification - M1 Singapore](https://rewindex.com/company/sinch/incidents/6yfgrrz85c59.md) | minor | 2021-03-30 15:02 UTC | 2021-04-07 02:25 UTC | resolved |
| [Scaleway](https://rewindex.com/company/scaleway.md) | [\[WEB HOSTING\] Websites on Platform 44 are down](https://rewindex.com/company/scaleway/incidents/z6mhgvr3mlqw.md) | minor | 2021-03-30 18:46 UTC | 2021-03-31 10:31 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [MMS Delivery Delays to US AT-T from a Subset of Longcodes](https://rewindex.com/company/twilio/incidents/j8ybggs6xcjz.md) | minor | 2021-03-30 20:14 UTC | 2021-03-31 03:46 UTC | resolved |

## Maintenance

| Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status |
| --- | --- | --- | --- | --- | --- |
| [Bandwidth](https://rewindex.com/company/bandwidth.md) | [\[Scheduled\] Local Market Maintenance - Multiple Markets](https://rewindex.com/company/bandwidth/incidents/8055sw0wwlc9.md) | maintenance | 2021-03-31 03:00 UTC | 2021-03-31 11:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] SMS Carrier Partner Maintenance - Small US Regional Carriers](https://rewindex.com/company/twilio/incidents/clwn1lqh2qj3.md) | maintenance | 2021-03-31 03:00 UTC | 2021-03-31 07:30 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] External Maintenance - AT&T - US](https://rewindex.com/company/sinch/incidents/sdrq52jdhx15.md) | maintenance | 2021-03-31 06:00 UTC | 2021-03-31 12:00 UTC | resolved |
| [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] External Maintenance - T-Mobile US](https://rewindex.com/company/sinch/incidents/942878tc50tp.md) | maintenance | 2021-03-31 06:00 UTC | 2021-03-31 10:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Mexico SMS Carrier Maintenance - AT&T](https://rewindex.com/company/twilio/incidents/x840dqwbctgg.md) | maintenance | 2021-03-31 06:00 UTC | 2021-03-31 12:00 UTC | resolved |
| [Scaleway](https://rewindex.com/company/scaleway.md) | [\[Scheduled\] \[DC5\] PDU replacement in Room 1 Rack C61](https://rewindex.com/company/scaleway/incidents/q4plzt886867.md) | maintenance | 2021-03-31 14:00 UTC | 2021-03-31 14:08 UTC | resolved |
| [Squarespace](https://rewindex.com/company/squarespace.md) | [\[Scheduled\] Developer Platform Maintenance](https://rewindex.com/company/squarespace/incidents/wlgywhpkbvts.md) | maintenance | 2021-03-31 15:14 UTC | 2021-03-31 17:54 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Russian Federation SMS Carrier Maintenance - Tele2](https://rewindex.com/company/twilio/incidents/wjst4v77958r.md) | maintenance | 2021-03-31 20:00 UTC | 2021-04-01 00:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Kazakhstan SMS Carrier Maintenance - Tele2](https://rewindex.com/company/twilio/incidents/9wpd37gcfh1w.md) | maintenance | 2021-03-31 20:01 UTC | 2021-03-31 23:00 UTC | resolved |
| [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Kazakhstan SMS Carrier Maintenance - Altel](https://rewindex.com/company/twilio/incidents/2mtgqxhpw7xr.md) | maintenance | 2021-03-31 20:01 UTC | 2021-03-31 23:00 UTC | resolved |

## Cite this

28 vendor-reported incidents started on 2021-03-31 (UTC) across 20 vendors, 4 labelled major or critical by the vendor.

- Canonical URL: https://rewindex.com/outages/2021-03-31
- Citation: Rewindex daily outage roundup, “Outages on March 31, 2021” (2021-03-31 00:00 UTC). Archived by Rewindex: https://rewindex.com/outages/2021-03-31 (CC BY 4.0).
- Markdown link: `[Rewindex daily outage roundup: Outages on March 31, 2021 (2021-03-31)](https://rewindex.com/outages/2021-03-31)`


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Canonical: https://rewindex.com/outages/2021-03-31 · Markdown: https://rewindex.com/outages/2021-03-31.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:10:28.189Z