Puzzle Technology
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Sendgrid Maintenance Impacting Delivery and Account Configuration

Maintenance · resolved · started 29 Oct 2026, 04:00 · resolved 29 Oct 2026, 05:30

  1. resolved · 29 Oct 2026, 05:30

    The scheduled maintenance window ended at 29 Oct 2026, 05:30. Closed automatically by the status page.

  2. monitoring · 29 Oct 2026, 04:04

    **2026-10-23T22:57:50.501Z** — We are upgrading our infrastructure on October 28 2026, from 12:30 to 14:00 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience. **2026-10-26T22:03:47.298Z** — This maintenance has been rescheduled. We are upgrading our infrastructure on October 28 2026, from 21:00 to 22:30 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience. **2026-10-29T03:00:13.423Z** — Maintenance will begin as scheduled in 60 minutes. **2026-10-29T04:04:06.879Z** — Scheduled maintenance is currently in progress. We will provide updates as necessary.

  3. identified · 29 Oct 2026, 03:01

    **2026-10-23T22:57:50.501Z** — We are upgrading our infrastructure on October 28 2026, from 12:30 to 14:00 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience. **2026-10-26T22:03:47.298Z** — This maintenance has been rescheduled. We are upgrading our infrastructure on October 28 2026, from 21:00 to 22:30 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience. **2026-10-29T03:00:13.423Z** — Maintenance will begin as scheduled in 60 minutes.

  4. identified · 26 Oct 2026, 22:10

    **2026-10-23T22:57:50.501Z** — We are upgrading our infrastructure on October 28 2026, from 12:30 to 14:00 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience. **2026-10-26T22:03:47.298Z** — This maintenance has been rescheduled. We are upgrading our infrastructure on October 28 2026, from 21:00 to 22:30 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience.

  5. identified · 26 Oct 2026, 22:08

    **2026-10-23T22:57:50.501Z** — We are upgrading our infrastructure on October 28 2026, from 12:30 to 14:00 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience.

  6. identified · 26 Oct 2026, 22:04

    **2026-10-23T22:57:50.501Z** — We are upgrading our infrastructure on October 28 2026, from 12:30 to 14:00 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience. **2026-10-26T22:03:47.298Z** — This maintenance has been rescheduled. We are upgrading our infrastructure on October 28 2026, from 21:00 to 22:30 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience.

  7. identified · 24 Oct 2026, 00:00

    **2026-10-23T22:57:50.501Z** — We are upgrading our infrastructure on October 28 2026, from 12:30 to 14:00 PDT to enhance system stability and scalability. During this window customers may experience delays impacting the following functionalities: - Email delivery for new sign-ups and upgraded accounts - Account configuration and settings updates - Processing of group unsubscribes - Dedicated IP and IP pool changes System functionality will resume normally once maintenance concludes. Thank you for your patience.