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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User messaging preferences vary by region: LINE in Southeast Asia, WhatsApp in the Middle East, and Telegram in Eastern Europe. Yuexin International unifies major OTT channels through one API and one console.

Core Capabilities

Every capability is validated in real production environments.

WhatsApp Business API

More than 2 billion monthly active users globally, covering the Middle East, Southeast Asia, South America, and Europe. Supports template messages, session messages, and buttons.

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

Over 900 million users globally, with high penetration in Central Asia and Eastern Europe. Supports bot messages, inline keyboards, and file transfer.

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

Use one API regardless of target channel. New channels can be added without rebuilding your integration.

Smart channel routing

Automatically chooses the best channel by number and region, with SMS fallback if OTT is unavailable.

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

Send medical appointment, hotel arrival, and course reminders through the channels users check most.

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SMS + OTT combined reach

Send through OTT first and automatically fall back to SMS if delivery fails, balancing reach and cost.

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?

The system supports smart routing and automatic fallback: send through OTT first, then switch to SMS if the user cannot be reached in that app.

Want to See How This Product Fits Your Business?

Share your use case and get a free integration proposal.

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