Bulk SMS service for businesses in Tanzania
DARSMS helps schools, businesses, retailers, microfinance institutions, clinics, churches and companies reach customers by SMS. Send campaigns and reminders under your own Sender ID, automate notifications with our SMS API, and see a delivery report for every message. Prices start at TZS 20 per SMS, paid with mobile money.
What DARSMS does
Everything a Tanzanian business needs to send SMS
One account covers campaign sending, your branded Sender ID, API access and delivery reports. There is no monthly subscription: you only pay for the SMS credits you buy.
Bulk SMS dashboard
Upload contacts from Excel, personalise messages, schedule campaigns and send to thousands of numbers from your browser.
Custom Sender ID
Send messages under your business name instead of a random number, so customers recognise and trust you.
SMS API
Connect your website, app or ERP to send OTPs, alerts and notifications automatically over a simple REST API.
Delivery reports
See which messages were delivered, failed or are still pending, per recipient, so you can follow up with confidence.
Who uses DARSMS
Organizations across Tanzania use bulk SMS for reminders, alerts and announcements that people read within minutes.
Businesses and retailers
Promotions, offers, payment reminders, and time-sensitive customer updates.
Schools and colleges
Fee reminders, announcements, timetable changes, and parent notices that get read quickly.
Insurance and microfinance
Premium and loan repayment reminders, policy renewals, and payment confirmations.
Developers and software teams
Send SMS from your app with API keys, read delivery status, and monitor account balance.
Also used by microfinance institutions and SACCOs, clinics and hospitals, churches, NGOs and event organizers. See all industries
How to send bulk SMS with DARSMS
Registration is free. Go from a new account to your first campaign in four steps.
Create a free account
Register your business in minutes and receive 5 free SMS credits to test.
Add contacts
Paste numbers, create groups, or import your list with the Excel template.
Send or schedule
Send SMS now or schedule for later, from your own Sender ID once it is approved.
Track delivery
Review delivery status per recipient and campaign reports in one place.
SMS API for developers in Tanzania
Generate an API key from the API Keys section of your dashboard, then call the send endpoint with your approved sender ID. The response returns a message ID you can use to track delivery status.
- Register or log in, then create an API key.
- Register a custom Sender ID so customers see your brand name.
- POST to the send endpoint and store the returned message ID.
curl -X POST https://api.darsms.co.tz/api/v1/integrations/sms/send \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"senderId": "YOUR_SENDER_ID",
"to": "2557XXXXXXXX",
"message": "Hello from the DARSMS SMS API"
}'Bulk SMS prices in Tanzania
Prepaid SMS credits with volume-based pricing: the more you buy at once, the lower the price per SMS. No monthly fees or contracts.
Basic
1 to 5,000 SMS
A simple entry point for schools, NGOs, churches, and growing businesses.
Popular
5,001 to 10,000 SMS
A balanced package for active teams sending reminders, alerts, and promotions every week.
Ultimate
10,001 SMS or more
Lower per-SMS pricing for high-volume campaigns, product notifications, and recurring outreach.
WhatsApp Business API
When customers prefer chat, add the official WhatsApp Business API alongside SMS. Unlike the free WhatsApp Business app, the API supports a verified business profile, several agents on one number, and automated messages sent from your own systems.
Broadcast campaigns
Send approved template messages with images and buttons to customers who have opted in.
Automated notifications
Trigger order confirmations, payment receipts, and OTPs straight from your system through the API.
Two-way live chat
Several agents answer customers from one business number, with a chatbot for common questions.
FAQ
Common questions about bulk SMS in Tanzania
Quick answers about pricing, Sender IDs and scheduling before you sign up.
How much does bulk SMS cost in Tanzania?
DARSMS charges TZS 25 per SMS for up to 5,000 SMS, TZS 22 for 5,001 to 10,000 SMS and TZS 20 for 10,001 SMS or more. Registration is free and there are no monthly fees.
Can I use my business name as sender ID?
Yes. Request a custom Sender ID of 3 to 11 letters or numbers for a one-time fee of TZS 5,000. Once approved, customers see your business name instead of a phone number.
Who should use DARSMS?
Businesses, schools, businesses, retailers, microfinance institutions, clinics, churches, NGOs and developers in Tanzania who need to send reminders, alerts, notifications or marketing messages.
Does DARSMS support scheduled campaigns?
Yes. You can schedule bulk SMS campaigns in advance and monitor delivery reports after sending.
Contact
Talk to the DARSMS team
Our office is in Dar es Salaam. Reach us by phone, WhatsApp or email for pricing, Sender ID or integration help.
Phone Numbers
+255 741 801 144 +255 786 550 809
Email Address
support@darsms.co.tz admin@darsms.co.tz
Main Office
Mwenge, Cocacola Road, Dar es Salaam, Tanzania
Working Hours
Monday-Saturday: 8:00-18:00 Sunday: Closed