# Outages on May 21, 2025 (UTC) > 44 incidents started on May 21, 2025 (UTC) on the status pages Rewindex archives, 17 labelled major or critical by the vendor (Box, Ashby, Claude); 14 more were still open from earlier days. Canonical: https://rewindex.com/outages/2025-05-21 Last updated: 2025-05-23T13:41:00Z - Incidents started: 44 (major/critical: 17, other: 27) across 29 vendors - Still open from earlier days: 14 · Maintenance windows: 35 · Detected outage events: 0 - By vendor impact label: critical 2, major 15, minor 17, none 8, unknown 2 - Previous day with incidents: [2025-05-20](https://rewindex.com/outages/2025-05-20.md) · Next: [2025-05-22](https://rewindex.com/outages/2025-05-22.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 | | --- | --- | --- | --- | --- | --- | | [Box](https://rewindex.com/company/box.md) | [\[Outage\] Box Services Unavailable](https://rewindex.com/company/box/incidents/np6l3wntd830.md) | critical | 2025-05-21 21:28 UTC | 2025-05-21 23:10 UTC | resolved | | [Ashby](https://rewindex.com/company/ashby.md) | [Log In Unavailable](https://rewindex.com/company/ashby/incidents/xj2drjdfd0rj.md) | critical | 2025-05-21 23:24 UTC | 2025-05-22 00:15 UTC | resolved | | [Claude](https://rewindex.com/company/claude.md) | [Elevated errors across many models](https://rewindex.com/company/claude/incidents/mmk2nx0mc4ph.md) | major | 2025-05-21 10:23 UTC | 2025-05-21 11:10 UTC | resolved | | [Anthropic](https://rewindex.com/company/anthropic.md) | [Elevated errors across many models](https://rewindex.com/company/anthropic/incidents/mmk2nx0mc4ph.md) | major | 2025-05-21 10:23 UTC | 2025-05-21 11:10 UTC | resolved | | [Scaleway](https://rewindex.com/company/scaleway.md) | [\[GAPI\] - fr-par - gemma3 and whisperX model unavailable](https://rewindex.com/company/scaleway/incidents/cklszvbd36pz.md) | major | 2025-05-21 14:37 UTC | 2025-05-21 14:57 UTC | resolved | | [Dialpad](https://rewindex.com/company/dialpad.md) | [Some customers might be experiencing issues with calling and messaging](https://rewindex.com/company/dialpad/incidents/vtbzgb1m98rc.md) | major | 2025-05-21 14:42 UTC | 2025-05-21 15:30 UTC | resolved | | [1Password](https://rewindex.com/company/1password.md) | [1Password services experiencing latency](https://rewindex.com/company/1password/incidents/sfrpk9dskthr.md) | major | 2025-05-21 16:23 UTC | 2025-05-21 17:27 UTC | resolved | | [Claude](https://rewindex.com/company/claude.md) | [Elevated errors on requests to some models](https://rewindex.com/company/claude/incidents/5xj7vrg9y21k.md) | major | 2025-05-21 17:04 UTC | 2025-05-21 18:21 UTC | resolved | | [Anthropic](https://rewindex.com/company/anthropic.md) | [Elevated errors on requests to some models](https://rewindex.com/company/anthropic/incidents/5xj7vrg9y21k.md) | major | 2025-05-21 17:04 UTC | 2025-05-21 18:21 UTC | resolved | | [Claude](https://rewindex.com/company/claude.md) | [MCP tool calling issues for Advanced Research queries in Claude.ai](https://rewindex.com/company/claude/incidents/5mjbw9649jrd.md) | major | 2025-05-21 18:29 UTC | 2025-05-21 20:38 UTC | resolved | | [Anthropic](https://rewindex.com/company/anthropic.md) | [MCP tool calling issues for Advanced Research queries in Claude.ai](https://rewindex.com/company/anthropic/incidents/5mjbw9649jrd.md) | major | 2025-05-21 18:29 UTC | 2025-05-21 20:38 UTC | resolved | | [Runway](https://rewindex.com/company/runway.md) | [Elevated error rates](https://rewindex.com/company/runway/incidents/hy451vsg3rjl.md) | major | 2025-05-21 19:51 UTC | 2025-05-21 22:45 UTC | resolved | | [Claude](https://rewindex.com/company/claude.md) | [Elevated errors on requests to some models](https://rewindex.com/company/claude/incidents/kknx3x153yhp.md) | major | 2025-05-21 20:19 UTC | 2025-05-21 20:40 UTC | resolved | | [Anthropic](https://rewindex.com/company/anthropic.md) | [Elevated errors on requests to some models](https://rewindex.com/company/anthropic/incidents/kknx3x153yhp.md) | major | 2025-05-21 20:19 UTC | 2025-05-21 20:40 UTC | resolved | | [Convex](https://rewindex.com/company/convex.md) | [Partial Unavailability of some Convex Deployments](https://rewindex.com/company/convex/incidents/kb6bh97l9lwl.md) | major | 2025-05-21 23:04 UTC | 2025-05-21 23:25 UTC | resolved | | [Claude](https://rewindex.com/company/claude.md) | [Elevated errors on requests to some models](https://rewindex.com/company/claude/incidents/zbjx86j1mg7s.md) | major | 2025-05-21 23:30 UTC | 2025-05-21 23:39 UTC | resolved | | [Anthropic](https://rewindex.com/company/anthropic.md) | [Elevated errors on requests to some models](https://rewindex.com/company/anthropic/incidents/zbjx86j1mg7s.md) | major | 2025-05-21 23:30 UTC | 2025-05-21 23:39 UTC | resolved | | [BigCommerce](https://rewindex.com/company/bigcommerce.md) | [UPS Integration issue - update](https://rewindex.com/company/bigcommerce/incidents/c8d4k6ckvkgk.md) | minor | 2025-05-21 04:00 UTC | 2025-05-21 04:00 UTC | resolved | | [Jina AI](https://rewindex.com/company/jina-ai.md) | [High Model Latency](https://rewindex.com/company/jina-ai/incidents/c2y7x9rv49pd.md) | minor | 2025-05-21 05:01 UTC | 2025-05-21 05:06 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Appalachian Wireless in United States of America](https://rewindex.com/company/twilio/incidents/lzsnm98cbnbf.md) | minor | 2025-05-21 06:36 UTC | 2025-05-21 11:15 UTC | resolved | | [Wise](https://rewindex.com/company/wise.md) | [EUR payments delayed](https://rewindex.com/company/wise/incidents/1s62h851hzbh.md) | minor | 2025-05-21 07:58 UTC | 2025-05-21 10:47 UTC | resolved | | [Monday.com](https://rewindex.com/company/monday-com.md) | [Investigating issues with platform slowness](https://rewindex.com/company/monday-com/incidents/v7d0tgmhxj70.md) | minor | 2025-05-21 08:33 UTC | 2025-05-21 08:44 UTC | resolved | | [Prisma](https://rewindex.com/company/prisma.md) | [Accelerate is unable to provision new query engines in EU Central (1)](https://rewindex.com/company/prisma/incidents/3mqlrxclwddw.md) | minor | 2025-05-21 09:29 UTC | 2025-05-21 09:47 UTC | resolved | | [Wasabi](https://rewindex.com/company/wasabi.md) | [System Errors in AP-NORTHEAST-1](https://rewindex.com/company/wasabi/incidents/8rhz658lqmhg.md) | minor | 2025-05-21 09:47 UTC | 2025-05-21 13:07 UTC | postmortem | | [Optimizely](https://rewindex.com/company/optimizely.md) | [Digital Experience Platform (DXP) - Issue with deployments](https://rewindex.com/company/optimizely/incidents/gwxv6pyyrhl0.md) | minor | 2025-05-21 10:40 UTC | 2025-05-21 14:55 UTC | resolved | | [LiveKit](https://rewindex.com/company/livekit.md) | [Egress service failures](https://rewindex.com/company/livekit/incidents/s1s92s50xzlb.md) | minor | 2025-05-21 11:30 UTC | 2025-05-21 11:30 UTC | resolved | | [Lattice](https://rewindex.com/company/lattice.md) | [Some Pulse surveys are experiencing errors](https://rewindex.com/company/lattice/incidents/0l0s4pvxbh03.md) | minor | 2025-05-21 15:38 UTC | 2025-05-21 16:35 UTC | resolved | | [Webflow](https://rewindex.com/company/webflow.md) | [Reports of some customers unable to submit forms or access the forms tab](https://rewindex.com/company/webflow/incidents/wwnkyt00vhc2.md) | minor | 2025-05-21 16:31 UTC | 2025-05-21 17:42 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Vodacom in South Africa via Subset of Longcodes](https://rewindex.com/company/twilio/incidents/ldyb008j8s4p.md) | minor | 2025-05-21 17:19 UTC | 2025-05-21 22:11 UTC | resolved | | [Braze](https://rewindex.com/company/braze.md) | [Increased errors impacting US01](https://rewindex.com/company/braze/incidents/mhxttw26ldcj.md) | minor | 2025-05-21 18:11 UTC | 2025-05-21 15:30 UTC | resolved | | [Scaleway](https://rewindex.com/company/scaleway.md) | [\[BOOKMYNAME\] BookMyName API timeouts](https://rewindex.com/company/scaleway/incidents/9ywnt4pdwg05.md) | minor | 2025-05-21 19:37 UTC | 2025-05-23 13:41 UTC | resolved | | [DigitalOcean](https://rewindex.com/company/digitalocean.md) | [App Platform Deployments](https://rewindex.com/company/digitalocean/incidents/q9c5j3z6b5ps.md) | minor | 2025-05-21 20:13 UTC | 2025-05-21 21:23 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to GrameenPhone Network in Bangladesh](https://rewindex.com/company/twilio/incidents/mjy4lbbqqdt3.md) | minor | 2025-05-21 20:23 UTC | 2025-05-22 01:58 UTC | resolved | | [Jina AI](https://rewindex.com/company/jina-ai.md) | [Classifier API not reachable](https://rewindex.com/company/jina-ai/incidents/0l5glrgq9zbn.md) | minor | 2025-05-21 22:01 UTC | 2025-05-21 22:16 UTC | resolved | | [Runway](https://rewindex.com/company/runway.md) | [Elevated API Errors](https://rewindex.com/company/runway/incidents/st0zt8tktd7m.md) | none | 2025-05-21 01:25 UTC | 2025-05-21 02:19 UTC | resolved | | [Bandwidth](https://rewindex.com/company/bandwidth.md) | [BW Voice Network Incident](https://rewindex.com/company/bandwidth/incidents/ctn9g90lp893.md) | none | 2025-05-21 02:00 UTC | 2025-05-21 02:00 UTC | resolved | | [GitHub Copilot](https://rewindex.com/company/github-copilot.md) | [Incident with Webhooks](https://rewindex.com/company/github-copilot/incidents/89gkzpf9fc20.md) | none | 2025-05-21 09:00 UTC | 2025-05-21 09:00 UTC | resolved | | [GitHub](https://rewindex.com/company/github.md) | [Incident with Webhooks](https://rewindex.com/company/github/incidents/89gkzpf9fc20.md) | none | 2025-05-21 09:00 UTC | 2025-05-21 09:00 UTC | resolved | | [HubSpot](https://rewindex.com/company/hubspot.md) | [The workflows tool is unavailable for some customers](https://rewindex.com/company/hubspot/incidents/kqgqcsq92w9r.md) | none | 2025-05-21 13:47 UTC | 2025-05-21 14:10 UTC | resolved | | [Nebius](https://rewindex.com/company/nebius.md) | [\[eu-north2\] Compute services are partially unavailable for customers](https://rewindex.com/company/nebius/incidents/5v176p1l2l3g.md) | none | 2025-05-21 16:11 UTC | 2025-05-21 16:11 UTC | resolved | | [BigCommerce](https://rewindex.com/company/bigcommerce.md) | [UPS Integration Issue](https://rewindex.com/company/bigcommerce/incidents/g4ms0djhqh4j.md) | none | 2025-05-21 19:00 UTC | 2025-05-22 00:44 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [On Call Engineers are Investigating an issue](https://rewindex.com/company/twilio/incidents/14q783p1tvqz.md) | none | 2025-05-21 20:25 UTC | 2025-05-21 20:38 UTC | resolved | | [Descope](https://rewindex.com/company/descope.md) | [Issue with EU region management keys and EU projects' visibility to Descope console](https://rewindex.com/company/descope/incidents/cmay3z85m007a1aa4rtdzgjmu.md) | unknown | 2025-05-21 15:03 UTC | 2025-05-21 15:32 UTC | resolved | | [Northflank](https://rewindex.com/company/northflank.md) | [Infrastructure stability issues](https://rewindex.com/company/northflank/incidents/cmay5h4pg0052zbome4c6m5q6.md) | unknown | 2025-05-21 16:04 UTC | 2025-05-21 17:13 UTC | resolved | ## Still open from earlier days | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Scaleway](https://rewindex.com/company/scaleway.md) | [\[DC2\] Public switch issue in DC2 Room 101 Rack A20](https://rewindex.com/company/scaleway/incidents/52kht2jfw7fd.md) | major | 2025-05-19 19:35 UTC | 2025-06-09 15:51 UTC | resolved | | [Jira](https://rewindex.com/company/jira.md) | [All Jira products experiencing degradations](https://rewindex.com/company/jira/incidents/z7dkd8zvbs66.md) | major | 2025-05-20 14:14 UTC | 2025-05-21 00:42 UTC | resolved | | [Grafana Cloud](https://rewindex.com/company/grafana-cloud.md) | [Grafana Cloud: Migration Assistant - degraded performance](https://rewindex.com/company/grafana-cloud/incidents/pc7jsnyyl7nd.md) | minor | 2025-05-15 13:46 UTC | 2025-05-26 02:50 UTC | resolved | | [Sinch](https://rewindex.com/company/sinch.md) | [Delivery Issue - US Cellcom](https://rewindex.com/company/sinch/incidents/7wtwkc6j5387.md) | minor | 2025-05-16 00:02 UTC | 2025-05-21 00:16 UTC | resolved | | [Scaleway](https://rewindex.com/company/scaleway.md) | [\[DC2\] - Public switch issue in room 203-B rack J5](https://rewindex.com/company/scaleway/incidents/bl85fm7wtm5r.md) | minor | 2025-05-16 12:29 UTC | 2025-05-21 14:50 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Report Delay to Tigo Network in Paraguay](https://rewindex.com/company/twilio/incidents/8918x7lgshw3.md) | minor | 2025-05-16 15:57 UTC | 2025-05-21 08:46 UTC | resolved | | [Scaleway](https://rewindex.com/company/scaleway.md) | [\[Account\] Captcha verification failed](https://rewindex.com/company/scaleway/incidents/2r40tykqcr4r.md) | minor | 2025-05-19 14:20 UTC | 2025-05-21 13:05 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays and Failures to Multiple networks in Netherlands via Subset of Longcodes](https://rewindex.com/company/twilio/incidents/7h2w6yqk11tc.md) | minor | 2025-05-19 21:12 UTC | 2025-05-21 08:54 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [Indonesia Telkomsel API Errors](https://rewindex.com/company/twilio/incidents/k0qpqg6vy984.md) | minor | 2025-05-20 13:43 UTC | 2025-05-21 12:39 UTC | resolved | | [Sinch](https://rewindex.com/company/sinch.md) | [DI MMS 365 (MM7) \| Operator Services \| Potential delay in delivery of MT and DLR \| TT\#MNOC-58998](https://rewindex.com/company/sinch/incidents/xpfx5fgdndp4.md) | minor | 2025-05-20 14:39 UTC | 2025-05-21 08:05 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to Bouygues Telecom in France via a Subset of Longcodes](https://rewindex.com/company/twilio/incidents/msd7frcyckdj.md) | minor | 2025-05-20 17:39 UTC | 2025-05-21 09:13 UTC | resolved | | [LaunchDarkly](https://rewindex.com/company/launchdarkly.md) | [Missing data for Snowflake data export](https://rewindex.com/company/launchdarkly/incidents/phgqw2gbw3p2.md) | minor | 2025-05-20 18:08 UTC | 2025-05-21 02:11 UTC | resolved | | [Dialpad](https://rewindex.com/company/dialpad.md) | [Some customers might experiencing intermittent issue with IVR Workflows](https://rewindex.com/company/dialpad/incidents/rgbczhk77tct.md) | minor | 2025-05-20 18:12 UTC | 2025-05-21 02:01 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [SMS Delivery Delays to C-Spire Network in United States](https://rewindex.com/company/twilio/incidents/833grd7s2dkz.md) | minor | 2025-05-20 21:45 UTC | 2025-05-21 01:22 UTC | resolved | ## Maintenance | Vendor | Incident | Impact (vendor label) | Started (UTC) | Resolved (UTC) | Status | | --- | --- | --- | --- | --- | --- | | [Crusoe](https://rewindex.com/company/crusoe.md) | [\[Scheduled\] Crusoe Cloud Network Maintenance in us-northcentral1 region](https://rewindex.com/company/crusoe/incidents/kfy9949j2z6w.md) | maintenance | 2025-05-21 01:00 UTC | 2025-05-21 02:07 UTC | resolved | | [Crusoe](https://rewindex.com/company/crusoe.md) | [\[Scheduled\] Crusoe Cloud Shared Storage Networking Maintenance in eu-iceland1 region](https://rewindex.com/company/crusoe/incidents/1znr9w4spzfk.md) | maintenance | 2025-05-21 01:01 UTC | 2025-05-21 05:00 UTC | resolved | | [Linode (Akamai)](https://rewindex.com/company/linode-akamai.md) | [\[Scheduled\] Maintenance for Cloud Manager, API, and CLI](https://rewindex.com/company/linode-akamai/incidents/51c74725kl7b.md) | maintenance | 2025-05-21 02:00 UTC | 2025-05-21 05:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Singapore SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/csflm0fynlqs.md) | maintenance | 2025-05-21 02:00 UTC | 2025-05-21 04:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] United States Account Security Carrier Partner Maintenance - Verizon Wireless](https://rewindex.com/company/twilio/incidents/0pps51ycx0zf.md) | maintenance | 2025-05-21 03:00 UTC | 2025-05-21 07:00 UTC | resolved | | [Stripe](https://rewindex.com/company/stripe.md) | [\[Scheduled\] Scheduled maintenance for Bancontact](https://rewindex.com/company/stripe/incidents/pd8lrrgnwd4n.md) | maintenance | 2025-05-21 03:00 UTC | 2025-05-21 04:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Multiple Destination MMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/99rrs7cyb424.md) | maintenance | 2025-05-21 04:01 UTC | 2025-05-21 12:00 UTC | resolved | | [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] DI SMS 365 (SMSX) \| Operator Services \| Application, Database and System Maintenance \| PCR Number \# PCRSDI-11719](https://rewindex.com/company/sinch/incidents/y9qlghdlq0hd.md) | maintenance | 2025-05-21 04:30 UTC | 2025-05-21 10:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] United States SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/0lqqs5r1slb4.md) | maintenance | 2025-05-21 04:30 UTC | 2025-05-21 10:00 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] USA and Canada SMS - Planned Maintenance affecting a subset of Long Virtual Numbers](https://rewindex.com/company/vonage/incidents/r2fkpftpbcjr.md) | maintenance | 2025-05-21 04:30 UTC | 2025-05-21 10:00 UTC | resolved | | [Bandwidth](https://rewindex.com/company/bandwidth.md) | [\[Scheduled\] Messaging Maintenance - Toll Free SMS](https://rewindex.com/company/bandwidth/incidents/vn4x19hv9d53.md) | maintenance | 2025-05-21 05:00 UTC | 2025-05-21 11:00 UTC | resolved | | [Linode (Akamai)](https://rewindex.com/company/linode-akamai.md) | [\[Scheduled\] Scheduled Emergency Network Maintenance - US-Central (Dallas)](https://rewindex.com/company/linode-akamai/incidents/l4mnnt5d00p2.md) | maintenance | 2025-05-21 05:00 UTC | 2025-05-21 09:00 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] USA SMS & MMS - Planned Maintenance affecting T-Mobile network](https://rewindex.com/company/vonage/incidents/tsnhps0snwy0.md) | maintenance | 2025-05-21 05:00 UTC | 2025-05-21 11:01 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Mexico SMS Carrier Maintenance - AT&T](https://rewindex.com/company/twilio/incidents/83k00ctv0b1m.md) | maintenance | 2025-05-21 05:01 UTC | 2025-05-21 08:00 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] Mexico SMS - Planned Maintenance affecting Pre-Registered Brands](https://rewindex.com/company/vonage/incidents/hpbjy0p483mh.md) | maintenance | 2025-05-21 05:01 UTC | 2025-05-21 08:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] United States SMS and MMS Carrier Maintenance - T-Mobile](https://rewindex.com/company/twilio/incidents/s7vyngxzwvgw.md) | maintenance | 2025-05-21 06:00 UTC | 2025-05-21 12:01 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Multiple Destination SMS Carrier Partner Maintenance](https://rewindex.com/company/twilio/incidents/8jdc74bv5ljw.md) | maintenance | 2025-05-21 06:01 UTC | 2025-05-22 04:01 UTC | resolved | | [Redis](https://rewindex.com/company/redis.md) | [Urgent maintenance](https://rewindex.com/company/redis/incidents/7289fc68-3791-4604-814f-83a9d1435b82.md) | maintenance | 2025-05-21 06:01 UTC | 2025-05-21 06:23 UTC | completed | | [Sinch](https://rewindex.com/company/sinch.md) | [\[Scheduled\] Campaigns Application Maintenance](https://rewindex.com/company/sinch/incidents/h4v0qfkj0skw.md) | maintenance | 2025-05-21 09:30 UTC | 2025-05-21 10:31 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] Planned Maintenance on one of the EU Voice Servers](https://rewindex.com/company/vonage/incidents/vsjrc61hck37.md) | maintenance | 2025-05-21 10:01 UTC | 2025-05-21 11:00 UTC | resolved | | [Bandwidth](https://rewindex.com/company/bandwidth.md) | [\[Scheduled\] Emergency Global Data Center Maintenance - Los Angeles & New York](https://rewindex.com/company/bandwidth/incidents/yfshjw1h5vm5.md) | maintenance | 2025-05-21 11:01 UTC | 2025-05-21 13:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] United Kingdom Account Security Carrier Partner Maintenance - Vodafone](https://rewindex.com/company/twilio/incidents/d582kpcdx69t.md) | maintenance | 2025-05-21 11:15 UTC | 2025-05-21 14:40 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Canada SMS and MMS Carrier Maintenance - Telus](https://rewindex.com/company/twilio/incidents/lnrys461sp8r.md) | maintenance | 2025-05-21 14:00 UTC | 2025-05-21 22:00 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] Canada SMS - Maintenance affecting Canada Telus](https://rewindex.com/company/vonage/incidents/0kc5ndtzqx4r.md) | maintenance | 2025-05-21 14:00 UTC | 2025-05-21 22:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Malaysia SMS Carrier Maintenance - Tune Talk](https://rewindex.com/company/twilio/incidents/34c96zlqdmsq.md) | maintenance | 2025-05-21 16:00 UTC | 2025-05-21 16:15 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] Malaysia SMS - Planned maintenance affecting CelcomDigi network](https://rewindex.com/company/vonage/incidents/lpyzypszwbvy.md) | maintenance | 2025-05-21 16:00 UTC | 2025-05-21 17:00 UTC | resolved | | [Bunny.net](https://rewindex.com/company/bunny-net.md) | [\[Scheduled\] Planned Edge Storage Upgrade Works](https://rewindex.com/company/bunny-net/incidents/5n73bfwj1mqn.md) | maintenance | 2025-05-21 19:00 UTC | 2025-05-21 21:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Russia SMS Carrier Maintenance - MegaFon](https://rewindex.com/company/twilio/incidents/b9y8t6c8s36z.md) | maintenance | 2025-05-21 20:00 UTC | 2025-05-22 00:01 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] Russia SMS - Planned maintenance affecting Gazprom-Mobile](https://rewindex.com/company/vonage/incidents/rfj06xwfb3nw.md) | maintenance | 2025-05-21 20:00 UTC | 2025-05-22 00:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Russia SMS Carrier Maintenance - Gazprom Telekom](https://rewindex.com/company/twilio/incidents/kjcvt37rvdys.md) | maintenance | 2025-05-21 20:01 UTC | 2025-05-22 00:01 UTC | resolved | | [Vonage](https://rewindex.com/company/vonage.md) | [\[Scheduled\] Russia SMS - Planned maintenance affecting Megafon](https://rewindex.com/company/vonage/incidents/1cr0q7wc0dpg.md) | maintenance | 2025-05-21 20:01 UTC | 2025-05-21 21:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Russia SMS Carrier Maintenance - Sotovaja Svjaz MOTIV](https://rewindex.com/company/twilio/incidents/4vdl91xpvpyx.md) | maintenance | 2025-05-21 20:20 UTC | 2025-05-21 23:01 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Russia SMS Carrier Maintenance - Sber](https://rewindex.com/company/twilio/incidents/jd9tngm23mjn.md) | maintenance | 2025-05-21 21:00 UTC | 2025-05-22 01:30 UTC | resolved | | [FullStory](https://rewindex.com/company/fullstory.md) | [\[Scheduled\] Scheduled Maintenance](https://rewindex.com/company/fullstory/incidents/6f1f258d2c0v.md) | maintenance | 2025-05-21 23:00 UTC | 2025-05-22 01:00 UTC | resolved | | [Twilio](https://rewindex.com/company/twilio.md) | [\[Scheduled\] Twilio Docs - Maintenance](https://rewindex.com/company/twilio/incidents/8lxw6mcws0lr.md) | maintenance | 2025-05-21 23:00 UTC | 2025-05-22 00:00 UTC | resolved | ## Cite this 44 vendor-reported incidents started on 2025-05-21 (UTC) across 29 vendors, 17 labelled major or critical by the vendor. - Canonical URL: https://rewindex.com/outages/2025-05-21 - Citation: Rewindex daily outage roundup, “Outages on May 21, 2025” (2025-05-21 00:00 UTC). Archived by Rewindex: https://rewindex.com/outages/2025-05-21 (CC BY 4.0). - Markdown link: `[Rewindex daily outage roundup: Outages on May 21, 2025 (2025-05-21)](https://rewindex.com/outages/2025-05-21)` --- Canonical: https://rewindex.com/outages/2025-05-21 · Markdown: https://rewindex.com/outages/2025-05-21.md · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T16:04:23.779Z