Twilio: Twilio Messaging Services Was Degraded
Timeline of updates
- resolved
Twilio Messaging Services was degraded for 46 days between July 21 2026 3:28 PM and Sept 4 2026 6:00 PM Pacific Time . During this period of time, customers that sent messages with media url that contained a comma and added the messaging service sid parameter in their messages will have their messages messages incorrectly rejected with http 400 and Twilio error code 21620 .
From Twilio’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert.
How the archive is checked, and what it cannot prove.
This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.twilio.com (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Twilio, started 2026-09-08 17:27 UTC, resolved after 12 min, 1 update(s).
- Title
- Twilio Messaging Services Was Degraded
- Vendor
- Twilio
- Date
- URL
- https://rewindex.com/company/twilio/incidents/7pcthxw5f8gq
Twilio profileRecent Twilio incidentsAll outages on September 8, 2026Twilio in September 2026MarkdownJSON