Vendor reports: degradedResolved · vendor status “resolved”Official status API

Some customers are seeing broadcast delivery delays (emails, push notifications, and webhooks)

Reported by Customer.io · CRM, Marketing & Sales · source last read just now

Official source (opens in a new tab)
Vendor start
May 29, 2026, 16:26 UTC
Vendor's clock
Resolved
May 29, 2026, 17:08 UTC
Vendor's clock
First seen by Statuswall
Before tracking began
Statuswall's clock
Duration
42 min
From vendor start and resolution

Summary

Built from the facts below, no AI

Potential impact, not a confirmed outage of your systems.

What the vendor confirmed

  • Customer.io reports degraded: "Some customers are seeing broadcast delivery delays (emails, push notifications, and webhooks)".[E1, E2]
  • The vendor marked it resolved at 2026-05-29 17:08 UTC.[E3, E7]

Affected products and regions

  • Components: Message Sending.[E6]

What is unknown

  • Which regions are affected: the vendor did not say.[E5]
  • Whether your own systems are affected: a vendor report cannot tell you; check your monitoring.

Last update in these facts: 2026-05-29 17:08 UTC · summary s1, evidence cb74a1bb620afe60

Evidence (7)
  1. E1Customer.io reports degraded. (vendor) source (opens in a new tab)
  2. E2Vendor title: "Some customers are seeing broadcast delivery delays (emails, push notifications, and webhooks)". (vendor) source (opens in a new tab)
  3. E3Vendor status word: "resolved". (vendor) source (opens in a new tab)
  4. E4Vendor-reported start: 2026-05-29 16:26 UTC. (vendor) source (opens in a new tab)
  5. E5The vendor did not state which regions are affected. (Statuswall)
  6. E6Components the vendor attached: Message Sending. (vendor) source (opens in a new tab)
  7. E7Vendor-reported resolution: 2026-05-29 17:08 UTC. (vendor) source (opens in a new tab)

Affected scope

Not stated by the vendor

Components: Message Sending

No region Statuswall recognises is stated for this incident (place names and provider-specific codes are not converted). It is not assumed to be global.

Potential relevance

Customer.io is not in your stack. Follow it to see whether reports like this fall inside the regions you use.

Timeline

Vendor times come from the vendor. “Seen by Statuswall” times are when Statuswall noticed a change, which can lag the vendor by a few minutes. Statuswall does not store the vendor's update text; read it on the official page.

  1. May 29, 2026, 16:26 UTCVendor-reported startVendor time
  2. May 29, 2026, 17:08 UTCVendor-reported resolutionVendor time

No changes observed yet. Statuswall began recording changes on incidents in November 2026.

Customer.io: Some customers are seeing broadcast delivery delays (emails, push notifications, and webhooks) — statuswall