FAQ

Viber Business Messaging lets you send branded, rich-media messages to users directly on the Viber app. It’s perfect for alerts, promotions, and two-way communication.

Yes. Viber and sms.to both follow GDPR standards. You must have user consent before sending messages.

Create a business account, complete the sender registration, and use the SMS.to platform or API to start sending messages once you’re approved.

If the recipient doesn’t have Viber or is offline, you can set up fallback to SMS—ensuring your message still gets delivered.

Yes, businesses need to register and get approved by Viber before sending messages. SMS.to handles the approval process for you.

You can send transactional messages (like delivery updates, appointment reminders) and promotional messages (like sales announcements or offers). Each message can include media and call-to-action buttons.

Viber supports images, buttons, links, and longer text—all at a lower cost than traditional SMS. However, the recipient must have the Viber app installed and be connected to the internet.

The SMS API is a game-changer across industries.

  • eCommerce: Send order updates, delivery alerts, and flash sale promos.
  • Healthcare: Automate appointment reminders and prescription notifications.
  • Logistics: Keep customers updated with real-time shipment tracking.
  • Finance: Deliver secure OTPs and account alerts instantly.
  • Hospitality: Confirm bookings and send check-in details automatically.

If you need to reach customers fast and reliably—SMS.to fits right in.

The SMS API saves you time, scales with your business, and connects directly with your existing tools. Instead of manually sending messages one by one, you can automate everything.

Example:
With a CRM integration, you can automatically send a personalized SMS to every new lead the moment they sign up—no copying, pasting, or delays. Compare that to manual sending: hours of work, slower responses, and missed opportunities.

The API turns messaging into a set-it-and-forget-it growth engine.

Integration is quick and straightforward. First, sign up and generate your API credentials from the dashboard. Then, use any HTTP-compatible language (like Python, PHP, JavaScript) to send requests to our API endpoints. You can start by sending a test SMS using the /sms/send endpoint. Detailed documentation, code samples, and SDKs are available to guide you through the setup.