Reach thousands of recipients instantly with our powerful bulk SMS platform — built for businesses, resellers, and enterprises across Zambia and Africa.
98% of texts are read — most within minutes. Email sits unopened; SMS gets seen.
Reaches every customer on any handset — smartphone or not, data or no data.
Direct routes to MTN, Airtel & Zamtel, with real-time delivery reports on every message.
A complete platform for managing bulk SMS campaigns — contacts, templates, credit billing, and real-time analytics.
Send thousands of messages in seconds with our SMPP-powered delivery engine. Individual and group messaging.
Organize recipients into groups, import from CSV, and manage contacts with custom fields for targeted campaigns.
Create reusable templates with personalization variables. Organize with template groups for easy access.
Flexible credit system with tiered pricing plans. Allocate credits to resellers and customers with full history.
Real-time delivery tracking with DLR reports. Monitor sent, delivered, and failed messages with analytics.
REST API for programmatic SMS sending. Webhook callbacks for delivery notifications and two-way messaging.
Start sending bulk SMS in minutes with our straightforward onboarding process.
Create your free customer account in a minute — with trial credits included. Set up your sender ID and you're ready. (Reselling? Apply for a partner account.)
Purchase SMS credits through your admin or reseller. Credits are available instantly for sending.
Compose your message, select contacts or groups, and hit send. Track delivery in real-time.
Whether you're a business or a reseller, we have a plan that fits your needs.
For businesses sending their own SMS campaigns.
Bring customers onto the platform and earn commission on their top-ups. Partner accounts are approved individually — apply and we come back within 2 business days.
From banks to churches, organisations across Zambia use Ontech BulkSMS to reach their customers, members, students and policyholders — reliably, at scale.
OTP, transactional and two-way SMS over REST API or SMPP — direct routes to MTN, Airtel & Zamtel, with real-time delivery reports and enterprise-grade uptime.
Verify logins and payments in seconds with time-boxed one-time passwords.
Receipts, balance and payment alerts, appointment and delivery notifications.
Inbound keywords on shortcodes and long numbers, auto-replies and opt-in/opt-out.
Integrate over HTTP or SMPP binds, with delivery receipts (DLR) and high uptime.
Send, schedule, track delivery and manage contacts from a clean web dashboard — nothing to install, works on any computer.
Scroll inside a window, or click any screenshot to expand
Compose & send
Delivery reports
Contacts & groups
Manage messaging on the move with the Ontech Bulk SMS app — download it for Android today and send, schedule, run campaigns and top up credits straight from your phone.
Prefer a direct install over Google Play? Use the APK download above — you may need to allow “Install from unknown sources”.
Everything also works in your browser, no install needed — create a free account.
Short narrated walkthroughs of the platform — from your first personalised bulk send to A/B-tested campaigns. All tutorials ›
One spreadsheet, one template — a personal message for every recipient. Loans, insurance, school results, church & cooperatives.
Top up in under a minute with MTN MoMo, Airtel Money or Zamtel Kwacha — approved from your phone.
Send two versions, measure delivery, and let your customers tell you which message works.
Put your brand name on every message — the request flow, authorization letter, and approval updates.
Explore the other platforms built by Ontech Solutions.
Interactive menus on any phone — no internet or app needed, on every Zambian network.
Explore USSDEnterprise ICT management — track assets, services and support in one place.
Explore ICTMSelf-hosted business email you own — private, secure, on your own domain.
Explore ontechmailFree school management for Zambia — students, fees, results and communication.
Explore ZamSkoolsLife insurance platform — policies, premiums and claims, end to end.
Explore LifeIComprehensive insurance management for insurers and brokers.
Explore InsuranceEnterprise payment gateway — collect and disburse across Zambia.
Explore PaymentsTrack leads, customers and deals the way Zambian business works.
Explore CRMCloud business phone system — extensions, IVR and call routing.
Explore Cloud PBXSchool bus booking from any phone — routes, seats and payments.
Explore TransportJoin businesses across Zambia and Africa using our platform for reliable bulk SMS delivery. Sign up now and get 20 free SMS to try it out.
Create Free Account