streamtools
Official Viber partner

Your technology partner for
enterprise communication

SMS, Viber, FlashCall and chatbots for business — over direct routes to mobile operators, through one API or your browser.

15+years in messaging
300+enterprise clients
4messaging channels
24/7support

Services

Every channel, one integration

Run all of your messaging from a single API — or from the dashboard, with no code at all

💬

SMS messaging

Marketing campaigns, transactional alerts and one-time passwords. Direct operator routes keep delivery rates high.

MarketingOTPTransactional
📱

Viber business messages

As an official Viber partner, we send fully branded messages — your logo, your company name, with images and tappable buttons.

Official partnerRich mediaButtons
📞

FlashCall

Verify a number with a missed call instead of an SMS. Same result, noticeably lower cost per verification.

Verification2FALower cost
>_

Chatbots

We build and connect chatbots for Viber, Telegram and your own platforms — automating support, sales and everyday customer conversations.

ViberTelegramAutomation
15+
years in business
Stability and a reputation to match
300+
enterprise clients
Mid-market and enterprise
500M+
messages a year
SMS, Viber, FlashCall, chatbots
100%
direct routes
To every Ukrainian mobile operator

Why us

Why clients choose us

🔗

Direct routes, no middlemen

We connect straight to Ukraine's mobile operators, with no aggregator sitting in between. That means higher delivery rates, lower latency and a better price than second-tier resellers can offer.

One API for everything

Integrate once, then run SMS, Viber, FlashCall and chatbots from the same endpoint or the same dashboard.

🔐

Data security

Encrypted traffic, VPN connectivity and two-factor authentication — and everything we do meets GDPR requirements.

🏆

15 years of integrations, however complex

We know how each industry works — banking, retail, healthcare, logistics. We handle the standard scenarios such as OTP and bulk campaigns, and the non-standard ones that need an architecture designed around them.

99.9%
Uptime
< 5 sec
Delivery
24/7
Support
AI

AI built into your messaging

We put AI to work inside communication workflows: sharper audience segmentation, personalization that adapts in real time, and delivery you can forecast before you send.

Personalization
down to the individual recipient
Predictive analytics
delivery and open-rate forecasts
Auto-segmentation
driven by customer behavior

Industries

Market leaders rely on us

Years of integrations across industries mean we can shape a solution around the way your business actually runs

🏦
Banking and finance
OTP, verification, transaction alerts
🛒
Retail and e-commerce
Promotions, order updates, loyalty programs
🏥
Healthcare and clinics
Appointment reminders, test results
🚚
Logistics and delivery
Shipment tracking, courier alerts
🛡️
Insurance
Policy renewals, claims, reminders
📡
Telecom
Service alerts, billing, support
🎓
Education and EdTech
Schedules, reminders, parent updates
🏢
Corporate
Internal comms, process automation

Get started

From first call to first campaign

A dedicated manager stays with you at every step

01

Get in touch

Send the form or give us a call. A dedicated manager picks up your project and stays your point of contact.

02

We map out what you need

Which channels, what volumes, and what's already running in your systems.

03

We put together a proposal

Pricing, technical detail and a realistic launch date, built around your case.

04

Contract signed, you go live

Paperwork, technical setup and a test campaign — usually done within three days.

Contact

Get in touch

A manager will get back to you shortly

Contact details

📍
Address
Kyiv, Ukraine
🕐
Business hours
Mon–Fri, 9:00–18:00 Kyiv time (UTC+2/+3)
👤 Your dedicated manager

Every client gets one named manager — a single point of contact for everything, from the first integration to day-to-day questions.

Send us a message

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