Respond.io incident
WhatsApp: Delivery Status Not Showing on Sent Outbound Messages
Respond.io experienced a major incident on July 27, 2026 affecting Messaging (Messaging), lasting 1h 46m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- identified Jul 27, 2026, 03:35 PM UTC
We are aware of an issue where delivery status indicators are not appearing on outbound WhatsApp messages. Incoming messages are being received as normal, and outbound messages appear to be sending, but no check marks are displayed in the Inbox. Our team is currently investigating and is awaiting...
- investigating Jul 27, 2026, 04:05 PM UTC
Following further checks, messages appear to be sent and delivered successfully. The issue seems to be limited to a delay in receiving delivery status updates from Meta, which is why check marks may appear late or not at all in the Inbox. Message delivery itself does not appear to be affected. <...
- resolved Jul 27, 2026, 05:21 PM UTC
The issue has been fully resolved. All messaging services are operating normally. We apologize for the inconvenience and appreciate your patience.