Reach Every Customer,
Every Channel.
Send SMS, WhatsApp, transactional email and USSD — all from one unified platform and API. No subscriptions, no lock-in. Pay as you grow.
Free on sign-up: 10 SMS + 10 WhatsApp + 20 Email credits. No card required.

One Platform, Every Channel
SMS, USSD, WhatsApp, Email, and OTP — all from one unified platform and API. Every channel your Malawi business needs, managed in a single dashboard.
SMS Gateway
Send bulk SMS, transactional messages, and OTPs across all Malawi networks — TNM and Airtel — with real-time delivery reports.
- All Malawi networks covered
- Bulk & single SMS support
- Real-time delivery reports
- Custom & global sender IDs
- Unicode & long SMS support
USSD Gateway
Build interactive USSD menus for any feature phone — ideal for mobile money, surveys, and data collection with zero data cost to the user.
- Works on any mobile phone
- No internet required for users
- Interactive menu sessions
- All Malawi network operators
- Real-time session analytics
WhatsApp Business
Connect your existing WhatsApp Business number via a QR scan — no new number needed. Link the line you already use and start sending through the API in minutes.
- Link your existing WA Business account
- Live via QR scan — no new number
- Multiple numbers per account
- Broadcast campaigns
- Delivery & read receipts
Email Delivery
Send transactional email from your own verified domain with high inbox rates — receipts, OTPs, order confirmations, and marketing campaigns.
- Send from your own domain
- SPF & DKIM authentication
- High inbox delivery rates
- HTML & plain-text support
- Open & click analytics
OTP Verification
Add secure one-time password flows to your app in minutes. Deliver codes via SMS, WhatsApp, or email — all from a single API with built-in retry and expiry logic.
- SMS, WhatsApp & email delivery
- Configurable expiry & attempts
- Idempotent request_id flow
- Multi-channel simultaneous send
- Built-in delivery reporting
Up and Running in 3 Steps
Whether you're a developer or a business owner, TumaSend makes it effortless to start communicating with your customers.
Create Your Account
Sign up in under 2 minutes with your email. Set up your business profile and receive free credits instantly — no card required.
Verify Your Business
Complete KYC by uploading your business registration certificate and a director ID. Verification is typically approved within 2 hours.
Start Sending
Purchase credits and go live. Use our dashboard for manual sends or integrate our REST API across SMS, WhatsApp, Email, and USSD.
A REST API You'll
Actually Love
One API key, clean endpoints, predictable responses — SMS, WhatsApp, and Email in the same style. No auth ceremony, no SDK required.
- API Key Auth— Pass x-api-key in the header — that's all you need
- Multi-Recipient— Send to thousands of recipients in a single request
- Webhook Support— Real-time delivery status callbacks to your endpoint
- Rate Limiting— Generous limits with clear headers & retry guidance
curl -X POST https://gateway.tumasend.com/api/v1/send/sms \
-H "x-api-key: YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"from": "MyBrand",
"recipients": ["265XXXXXXXXX", "265YYYYYYYYY"],
"message": "Your order #1042 has been confirmed. Thank you!"
}'{
"success": true,
"batch_id": "bat_xk9m2p4q",
"status": "queued",
"recipients_count": 2,
"credits_used": 2,
"credits_remaining": 498
}Build Faster with TumaSend Dev Tools
Everything you need to integrate, test, and ship — from an interactive USSD emulator to complete API documentation.
USSD Emulator
Simulate subscriber sessions against your shortcode. Test every menu path before going live — no SIM card, no network fees.
USSD Drag & Drop Builder
Design your entire USSD menu tree visually. Drag, drop and connect screens — no code needed. Export directly to your callback handler.
API Reference
Interactive docs, request builders, and live response previews for every TumaSend endpoint.
SDKs & Code Samples
Ready-to-run examples in Node.js, Python, PHP and more — copy, paste, go.
Pay As You Grow
No monthly fees. No subscriptions. Buy credits when you need them and use them at your pace. Instant top-up via Paychangu.
Free credits on every new account
10 SMS credits + 10 WhatsApp credits + 20 email credits — start testing immediately, no card required.
Payments secured by Paychangu · Instant credit top-up · No hidden fees
Built for Scale
Sending millions of messages? We have custom plans with dedicated infrastructure, volume pricing, and a dedicated account manager.
Volume Pricing
Custom rates for high-volume senders
Dedicated Infrastructure
Isolated sending lanes & SLA guarantees
Priority Support
Dedicated account manager & 24/7 support
Advanced Analytics
In-depth reporting & custom dashboards
Request Enterprise Access
We'll get back to you within 1 business day
Get in Touch
Have a question, a partnership idea, or need help getting started? We'd love to hear from you.
Ready to Start
Connecting?
Join hundreds of Malawian businesses already using TumaSend to reach their customers. Sign up free — no credit card required to start.

