Support
Troubleshooting Failed SMS Deliveries
Diagnose failed or pending SMS messages using delivery reports, gateway status, and common fix steps.
Failed SMS deliveries can happen because of invalid numbers, insufficient wallet balance, unapproved sender IDs, or temporary gateway issues.
Check delivery reports
Open campaign details or API reports to see message status: sent, pending, failed, or delivered.
Verify wallet balance
Insufficient balance prevents new messages from being queued. Fund your wallet and retry failed batches where applicable.
Confirm sender ID approval
Messages using unapproved sender IDs are blocked. Ensure your brand sender ID is approved before sending.
Review phone numbers
Invalid or landline numbers fail validation. Re-import contacts or run API validation before retrying.
Gateway failover
Notifymore routes through multiple Ghana gateways. Temporary provider issues may resolve on retry via failover routing.
Still stuck? Open a ticket from customer support or read the FAQ.