Sender ID registration in Kenya
What CA and the operators in Kenya require for SMS sender IDs, how long approval takes, the accepted formats and sending rules, and how OmniChannels.ai registers yours.
- Registration
- Set by the operators
- Typical lead time
- 5–7 business days
- Alphanumeric sender ID
- Yes
- Regulator
- CA
Short answer
In Kenya, sender ID requirements are set by the mobile operators (Safaricom and Airtel Kenya), with CA as regulator. Approval typically takes 5–7 business days. Alphanumeric IDs of up to 11 characters are accepted. OmniChannels.ai handles the filing across 3 operators and confirms current rules during onboarding.
Sender ID rules in Kenya at a glance
| Regulator | Communications Authority of Kenya (CA) |
|---|---|
| Registration required | Set by the operatorsBroadNet confirms the current requirements during onboarding |
| Typical lead time | 5–7 business days |
| Alphanumeric sender ID | YesLatin letters, up to 11 characters |
| Numeric long code / short code | Numeric long codes on select networks only |
| Accepted formats | Alphanumeric, up to 11 chars (numeric long-code on select networks) |
| Promotional sending hours | 07:00–19:00 local timeThe Communications Authority of Kenya's consumer-protection guidelines allow promotional messages only between 07:00 and 19:00. Transactional 24/7. |
| Opt-in | Verifiable opt-in required, with timestamped consent records retained for at least 12 months and produced on regulator request. |
| Opt-out | Every promotional message must include STOP / opt-out wording. DND-registry suppression applied automatically where the regulator runs one. |
| Operators we reach | Safaricom, Airtel Kenya and Telkom Kenya |
| Last reviewed | 29 September 2026Sources: CA, CA consumer guidelines |
From BroadNet's regulatory research, last reviewed 29 September 2026. Rules change: we confirm them for your sender ID and traffic during onboarding.
Official sources: CA · CA consumer guidelines
How to register your sender ID in Kenya through OmniChannels.ai
Sender ID registration fees are passed through at cost. We confirm the documents and the current rules for your traffic during onboarding.
Need the authorization letter?
Generate a ready-to-sign LOA or NOC for this country in English, Arabic or both. Free, and your details never leave your browser.
Generate your authorization letter- 1
Choose and check your sender ID
Pick a sender ID that matches your brand: Latin letters, up to 11 characters. Test it in the free sender ID checker first.
- 2
Send us your company details and use case
Tell us the legal entity, brand and what each sender ID will send (OTP, transactional or promotional). We confirm which supporting documents are currently needed.
- 3
We file with the operators
We prepare and submit the application. Current process in Kenya: BroadNet confirms the current requirements during onboarding.
- 4
Approval and test messages
Approval typically takes 5–7 business days. Once approved we send test messages on Safaricom, Airtel Kenya and Telkom Kenya and check the sender ID displays correctly.
- 5
Go live
Send through the REST API, SMPP or campaigns. Promotional messages go out 07:00–19:00 local time. Opt-out handling is applied to every promotional message.
Common reasons a sender ID is rejected in Kenya
- Too long: sender IDs here are up to 11 characters.
- Generic words instead of a brand, such as INFO, SMS, OTP, ALERT: regulators usually refuse them.
- Arabic, accented or other non-Latin letters: this market lists Latin letters only.
- Spaces or symbols such as _ & ! ( ): many operators strip or refuse them; use a hyphen or nothing.
Run your proposed sender ID through the free sender ID checker, preselected for Kenya, before you apply.
Register your sender ID in Kenya
Send us your brand and use case. We file the sender ID for 3 operators, run the test messages and connect it to the same API, SMPP and campaign tools you use for every other market.
Sender ID in Kenya: questions
Do I need to register a sender ID in Kenya?
Yes, in practice: the mobile operators in Kenya set the sender ID requirements rather than a central registry. BroadNet confirms the current requirements during onboarding.
How long does sender ID registration take in Kenya?
Typically 5–7 business days, depending on the operator and the documents provided. We confirm the current timeline for your sender ID during onboarding.
Can I use an alphanumeric sender ID in Kenya?
Yes. Alphanumeric sender IDs are accepted: Latin letters, up to 11 characters. Accepted formats: Alphanumeric, up to 11 chars (numeric long-code on select networks).
When can I send promotional SMS in Kenya?
Promotional window: 07:00–19:00 local time. The Communications Authority of Kenya's consumer-protection guidelines allow promotional messages only between 07:00 and 19:00. Transactional 24/7.
What consent and opt-out rules apply in Kenya?
Verifiable opt-in required, with timestamped consent records retained for at least 12 months and produced on regulator request. Every promotional message must include STOP / opt-out wording. DND-registry suppression applied automatically where the regulator runs one.
Who regulates SMS sender IDs in Kenya?
Communications Authority of Kenya (CA), together with the mobile operators (Safaricom, Airtel Kenya and Telkom Kenya). Official sources: CA, CA consumer guidelines.
Can I send from a numeric number or short code in Kenya?
Numeric long codes on select networks only. Alphanumeric, up to 11 chars (numeric long-code on select networks).
Related for Kenya
Sender ID registration in nearby markets
- Angola · 10–14 business days
- Botswana · 5–7 business days
- Cameroon · 7–14 business days
- Ethiopia · 10–14 business days
- Ghana · 5–7 business days
- Côte d’Ivoire · 7–10 business days
- Madagascar · 10–14 business days
- Mauritius · 5–7 business days
- All countries
Data: BroadNet regulatory research, reviewed 29 September 2026. URL: https://omnichannels.ai/sender-id/kenya/