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Individual Security
Viber
User Authentication
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Individual Security

Receiving Telegram OTP Codes from Unknown Numbers: Security Tips

Are you receiving Telegram OTP codes you didn’t request? Find out why it happens, how Telegram scams work, and how to secure your account from hackers.

Feb 25, 2026

Viber

What Is Viber API and How Does It Work?

What is Viber API? This is your complete guide of what Viber API is and how you can use it for your business.

Feb 23, 2026

User Authentication

Secure eCommerce Login and Checkout Using Dexatel OTP Verification

Protect your online store with OTP verification for eCommerce. Secure logins, checkout, and payments with fast authentication using SMS, WhatsApp & more.

Feb 20, 2026

Mobile Marketing

RCS for Business: Rich, Verified Messaging

What is RCS messaging and why are businesses moving beyond SMS? Learn how RCS for business delivers branded, verified, and interactive mobile messaging.

Jan 30, 2026

Viber

Viber for Business: Secure Messaging and Customer Engagement

Discover how Viber for Business uses branded sender IDs and verified profiles to send trusted marketing, support, and transactional messages with Dexatel.

Jan 29, 2026

Mobile Marketing

Telegram for Business: Messaging and Automation at Scale

Learn how to use Telegram for business messaging at scale. Explore use cases, automation, and how Dexatel helps integrate it into an omnichannel strategy.

Jan 23, 2026

Viber

How to Send Viber Messages to a Phone Number Via API

Learn how to send Viber messages to a phone number via API with Dexatel. Get familiar with setup prerequisites, Viber message flow, best practices, and more.

Dec 30, 2025

WhatsApp

WhatsApp eCommerce: Complete Guide

Learn how to sell on WhatsApp. Setup guide, cart recovery strategies, and best practices to turn conversations into conversions.

Dec 28, 2025

WhatsApp

WhatsApp for Business: Messenger vs Business App vs Business API

Compare WhatsApp Messenger, WhatsApp Business App, and WhatsApp Business API to choose the right solution for scaling customer communication.

Dec 28, 2025

WhatsApp

How to Set Up a WhatsApp Business Account

Learn how to set up your WhatsApp Business account step-by-step and start engaging customers effectively.

Dec 26, 2025

WhatsApp

How to Broadcast Messages on WhatsApp: A Complete Guide

Learn how to broadcast messages on WhatsApp with step-by-step instructions, best practices, and tips for effective business communication.

Dec 24, 2025

User Authentication

What Is Voice OTP and How Does It Work?

Learn what voice OTP is and how it works. Get familiar with the best practices of using voice verification to authenticate users quickly and securely.

Dec 15, 2025

Staff Writer

Staff Writer

52 articles

Dexatel has a team of talented writers who bring a wealth of expertise to their pieces. While they have chosen to remain anonymous, their passion for technology and communication shines through in every piece produced.