OTT Messaging: Reach Users in Their Most-Used Apps

Connect WhatsApp, LINE, Telegram, Viber, and other major social messaging platforms through one API for verification, notifications, and customer-service interactions.

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A unified API and console manage currently supported OTT channels; platform-specific account verification, templates, fields, and features may still require adaptation.

Core Capabilities

Features, scope, and performance are subject to product documentation, test conditions, and the applicable agreement.

WhatsApp Business API

Supports templates, session messages, and interactive buttons, subject to platform rules and product information.

LINE Official Account

A leading social app in Japan, Thailand, and Indonesia, supporting push messages, Rich Menu, Flex Message, and rich interactions.

Telegram Bot API

Supports bot messages, inline keyboards, and file transfer, subject to platform rules and product information.

Viber business messaging

Covers Eastern Europe and South Asia, with one-to-one messages and campaign pushes for e-commerce and local services.

Unified API access

A unified API manages supported channels; new channels or platform-rule changes may require customer adaptation.

Smart channel routing

OTT or SMS routes can be selected by configuration and availability; delivery, cost, and latency depend on platform rules, consent, account status, and devices.

Use Cases

See which scenarios best fit your business.

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E-commerce order notifications

Send order confirmations, shipment notices, and logistics updates in users most-used apps, with higher open and read rates than email or SMS.

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Automated customer service

Build WhatsApp or LINE service bots that answer common questions around the clock and hand complex issues to agents.

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Secure verification

Send one-time codes through WhatsApp or Telegram so users can verify in familiar apps.

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Campaign pushes

Send promotional template messages with rich media, buttons, and coupons to target users.

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Appointments and reminders

Medical appointments, hotel arrivals, and course reminders can be configured based on user authorization and channel availability.

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SMS + OTT combined reach

OTT or SMS routes can be selected based on configuration and availability; delivery, cost, and latency depend on platform rules and devices.

How to Get Started

Get up and running in just a few steps.

Choose channels

Select OTT channels according to your target markets.

Account verification

We help you complete enterprise account applications and brand verification for each channel.

API integration

Use one API to connect all selected channels through a single integration.

Operational optimization

After launch, optimize message strategy and channel mix based on each channel performance.

Coverage & Access

Coverage for WhatsApp, LINE, Telegram, Viber, and other OTT channels

Frequently Asked Questions

Common questions about this product. Contact us if you need more help.

What advantages does OTT messaging have over SMS?

OTT supports rich media such as images, video, and buttons, with higher open and interaction rates than traditional SMS in familiar social apps.

Which OTT platforms do users prefer in different regions?

Southeast Asia often prefers LINE and WhatsApp, the Middle East and South America are WhatsApp-heavy, and Eastern Europe and Russian-speaking markets often prefer Telegram.

How are fees calculated for each channel?

Each OTT channel has its own pricing rules, such as WhatsApp conversation billing or LINE message-based billing. We provide unified cost details and invoices.

What if the user has not installed the relevant app?

OTT or SMS routes may be attempted as configured; delivery depends on platform rules, consent, account status, numbers, and devices.

Want to See How This Product Fits Your Business?

Share your use case and get a free integration proposal.

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