Sinch: Sinch Maintenance - SSL Certificate Renewal
Affected components: Messaging APIs - REST - EUREST - EUMessaging APIs - REST - USREST - US
Timeline of updates
- scheduled
Sinch will be performing a scheduled maintenance to renew the SSL certificate's.
Type: Scheduled Maintenance
Maintenance: SSL Certificate UpdatesStart Time: 2026-10-20 07:00 UTC
End Time: 2026-10-20 10:00 UTCImpact: sms.api.sinch.com, us.sms.api.sinch.com, eu1.sms.api.sinch.com
We appreciate your patience and apologize for any inconvenience experienced during this maintenance period. If for any reason the maintenance is extended or cancelled we will advise you accordingly.
As part of this update, please note that the root certificates have also changed. We recommend updating the root certificates as well to ensure continued trust and smooth operation.
Download the certificate files for all the above mentioned certificates here:https://clxgroup.sharepoint.com/:f:/s/CLX_Support_Anonymous_link/IgALRDsM8tADTai40OEYnKelASGNnSO-pEEyNQaCDUec0pQ (opens in new tab)
- in progress
Scheduled maintenance is currently in progress. We will provide updates as necessary.
- completed
The scheduled maintenance has been completed.
Changes Rewindex caught on this incident
- Incident updated: Sinch Maintenance - SSL Certificate Renewal
- Incident updated: Sinch Maintenance - SSL Certificate Renewal
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. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-19 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
fce8253cbf864963…Version 2 captured
In the 2026-10-20 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
32d0b9de9c70a5ec…Version 3 captured
In the 2026-11-03 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
26da31c151d3bea0…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Maintenance posted by Sinch, started 2026-10-06 10:55 UTC, resolved after 14 d, 3 update(s); edited after publishing.
- Title
- Sinch Maintenance - SSL Certificate Renewal
- Vendor
- Sinch
- Date
- URL
- https://rewindex.com/company/sinch/incidents/6xhn2gchdncb
Sinch profileRecent Sinch incidentsAll outages on October 6, 2026Sinch in October 2026MarkdownJSON