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New Viber campaign rules in 2026: what changes for businesses
Key updates in templates and moderation that affect campaign launches.
Read full article →Clean your contact base before you send, cut wasted spend, and reach real subscribers in any market worldwide.
A lookup service that checks the live status of any mobile number before you send an SMS.
Detection of invalid and inactive numbers
Lower spend on every campaign
Higher delivery rates and cleaner analytics
The platform queries the mobile operator directly and returns the number's current availability and network.
Instead of sending to 10,000 contacts where 3,000 are inactive, you send only 7,000 valid numbers and keep the rest of the budget.
Get startedHLR lookups work best in combination with these channels:
Instant delivery to any number worldwide. Ideal for alerts, order confirmations, reminders, and promotional offers.
A modern format combining the reach of SMS with the richness of messengers. Use media, buttons, carousels, and built-in analytics.
Mass campaigns with images, buttons, and click tracking. Add your branded sender avatar and follow customer journeys in real time.
Validate numbers before sending one-time passwords so logins never fail.
Clean your database to cut the cost of large-scale sends.
Identify each subscriber's home country, network, and roaming status.
*Rates depend on destination country, channel mix, and monthly volume. Request a quote for a rate card covering your markets.*
SMS reminders about promotions and abandoned carts increased repeat purchases by 23%.
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OTP integration over SMS reduced fraud incidents by 40% and improved online banking security.
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SMS delivery confirmations cut the number of failed deliveries by 35%.
View caseKey updates in templates and moderation that affect campaign launches.
Read full article →
How a logistics team improved delivery-status visibility and reduced support workload.
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A practical production checklist for a reliable integration.
Read full article →SMS remains one of the most effective communication channels in business. High open rates, near-instant delivery, and a format that works on every handset make it equally suited to marketing campaigns and transactional messaging. Use it to announce promotions, confirm order changes, send reminders, or deliver one-time passwords (OTP).
A modern messaging platform lets you automate sending, segment your audience, personalize every message, and measure results in detail. Whatever your company size, industry, or markets, SMS helps you keep communication effective and build lasting customer loyalty.
Question: How do I launch a campaign?
Answer: Open your account, select "New campaign", enter your message text, upload your contacts, and hit send.
Question: How many characters fit in one SMS?
Answer: One SMS holds up to 160 Latin characters, or up to 70 characters in non-Latin alphabets.
Question: What affects the price of an SMS?
Answer: Price depends on destination country and monthly volume. The more messages you send, the lower the unit rate.
Question: Are there discounts for large volumes?
Answer: Yes. Custom rates apply from 100,000 messages per month. Contact our team for a quote tailored to your destinations.
Question: How do I top up my balance?
Answer: You can top up from your account by card, via electronic payment systems, or by bank transfer.
Question: How fast are SMS delivered?
Answer: Messages are delivered within seconds of sending over our direct operator connections.
Question: What analytics do I get?
Answer: Full statistics: messages sent, delivered, and failed, delivery timings, and per-contact status for every campaign.
Question: How do I import contacts?
Answer: Upload contacts from an Excel or CSV file, or add them manually in the "Contacts" section.
Question: Can I create contact groups?
Answer: Yes, you can create unlimited groups to segment your audience by market, language, or behaviour.
Question: Which countries can I send to?
Answer: We deliver to more than 200 countries worldwide, with per-destination routing and flexible pricing.
Question: How much do international SMS cost?
Answer: Rates vary by destination country. Request a quote and we will prepare a rate card for your markets.
Question: Is there an API for integration?
Answer: Yes. We provide a full REST API, webhooks, and SMPP for integration with your CRM, CMS, or any in-house system.
Question: Which CRM systems are supported?
Answer: We integrate with Bitrix24, amoCRM, KeyCRM, OpenCart, and many more. See the "Integrations" section for the full list.