SMS, WhatsApp, or email was not delivered

Delivery depends on sender setup, destination number or email validity, opt-out status, provider delivery status, templates, and compliance windows.

Check first

• Confirm the recipient number or email address.
• Check opt-out or unsubscribe status.
• For WhatsApp, confirm whether the conversation is inside the 24-hour window or requires a template.
• For email, verify SPF, DKIM, DMARC, and mailbox routing when using custom senders.

Include in the ticket

• Recipient, sender, channel, approximate time, template name, and delivery error if visible.