The multi-country SMS problem
If your product serves more than one East African market, SMS often becomes a patchwork: one provider in Kenya, another in Uganda, a third for Tanzania. Different API keys, different payload shapes, different delivery webhook formats.
Yoola SMS is built the other way: one REST API, six local markets — Uganda, Kenya, Tanzania, Rwanda, Malawi, and Zambia.
What you get with one integration
- One API key and one base URL
- Send single or bulk SMS with the same request pattern
- Balance check and delivery reports in one place
- Country-aware routing to local networks
- Optional webhooks for delivery status
Markets and example networks
- Kenya — Safaricom, Airtel
- Tanzania — Vodacom, Airtel, Tigo, Halotel
- Rwanda — MTN Rwanda, Airtel
- Uganda — MTN, Airtel, and others
- Malawi — TNM, Airtel
- Zambia — MTN, Airtel, Zamtel
Integration steps
- Register at yoolasms.com and verify your phone.
- Copy your API key from the dashboard.
- Send a test message using the documented
sendendpoint. - Map delivery reports or webhooks into your app's notification log.
- Use international number format (country code + number) for multi-country batches.
Full docs: yoolasms.com/api-integration
OTPs, alerts, and bulk campaigns
The same API supports transactional traffic (OTPs, payment alerts) and promotional campaigns, subject to route and local rules. For high-priority OTPs, use the transactional path documented in the API section.
WhatsApp from the same account
WhatsApp Business Messaging (templates for utility, authentication, and marketing) is available on the same platform for supported countries. SMS and WhatsApp share the account model; WhatsApp has its own template and consent rules.
Pricing philosophy for developers
No monthly API fee. No charge to create a key. You pay per message at local volume rates in each country's currency (or the account's credit model where applicable). Credits do not expire.
Ship multi-country messaging without six contracts
If you are building fintech, education, logistics, or marketplace products across East Africa, one stable SMS integration is worth more than a cheaper single-country deal that does not travel.
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