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Nigeria’s NCC runs a Do Not Disturb registry. Promotional SMS to registered numbers is filtered. Transactional traffic — OTP, receipts, alerts the user triggered — is supposed to get through when the provider classifies it correctly. Robase sends OTP and transactional SMS on transactional paths. You do not file a separate “DND route activation” ticket to go live. Sender-ID paperwork with upstreams is still operator-managed (sender IDs); it is not a public API.

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What you should still do

  • Send OTP and user-triggered notices, not unsolicited marketing, through this API.
  • Keep message copy transactional. Anti-spam may block promo-like bodies and refund the credit.
  • Use E.164 Nigerian numbers (+234…).

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What we do not claim

We do not publish a delivery percentage to DND numbers. If every route fails, the credit is refunded and otp.failed / sms.failed fires. Kenya, Ghana, and other markets have their own marketing vs transactional rules. This page is about Nigeria’s DND registry as it affects OTP buyers.