SendGrid: Infrastructure Maintenance: Saturday, October 17, from 2PM-4PM PT
Affected components: SendGrid API
Timeline of updates
- scheduled
In order to increase the stability and scalability of our systems, we are performing a maintenance on our infrastructure on October 17, 2026 from 2PM-4PM PT.
During this time, customers may experience issues with public endpoints for blocks and delays to updating block lists.
Mail sending functionality will remain fully operational.
Thank you for your patience through this maintenance.
- scheduledDeleted by the vendor
Maintenance will begin as scheduled in 60 minutes.
- 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: Infrastructure Maintenance: Saturday, October 17, from 2PM-4PM PT
- Incident updated: Infrastructure Maintenance: Saturday, October 17, from 2PM-4PM PT
- Incident updated: Infrastructure Maintenance: Saturday, October 17, from 2PM-4PM PT
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 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
fd5920a137d2d823…Version 2 captured
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
1a46aa11e205d77b…Version 3 captured
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
160917b9543d3eea…Version 4 captured
In the 2026-10-24 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
93650e0b7d2a517e…
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 SendGrid, started 2026-10-06 14:32 UTC, resolved after 11 d, 4 update(s); edited after publishing.
- Title
- Infrastructure Maintenance: Saturday, October 17, from 2PM-4PM PT
- Vendor
- SendGrid
- Date
- URL
- https://rewindex.com/company/sendgrid/incidents/7l18rtsr74jf
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