SMSBOX — start with professional SMS communication today
SMSBOX is a SaaS platform for professional bulk SMS campaigns, OTP verification and transactional messages. Direct Belgian routing for maximum delivery speed. Quickstart in 2 minutes — test without a credit card. From €0.06 per SMS in Belgium.
- 100% Belgian company
- GDPR compliant
- Belgian servers
- Direct operator connections
- 8,000+ users
Everything you need in one platform
SMSBOX is built for businesses that take professional messaging seriously. From a few notifications to campaigns with hundreds of thousands of recipients.
Bulk SMS
Send to thousands of recipients at once with personalization and tags.
WhatsApp Business
Official WhatsApp API for two-way messages and notifications.
Voice messages
Automated voice calls with text-to-speech.
Email to SMS
Send SMS from any email client without installing anything.
REST API & SDK
Integrate with your software through our documented API and official PHP SDK.
Excel import
Import contact lists via Excel with dynamic tags per recipient.
Scheduled sending
Plan SMS campaigns ahead on the date and time of your choice.
Server monitoring
Receive instant SMS alerts when your servers go down.
Get started in three steps
Create an account
Register for free and get instant access to the SMSBOX platform. No credit card required.
Buy credits
Pick a pack or buy loose credits. No subscription — pay only for what you use.
Send messages
Send via the dashboard, the API, Excel import or email. Results in real time.
API integration in 2 minutes
No complex setup. Create an account, copy your API key and send your first SMS with a single API call. Includes an official PHP SDK and code samples for Python, Node.js, C# and more.
2 Copy your API key from the dashboard
3 Send your first SMS
curl -X POST https://api.smsbox.be/v1/send \ -H "Authorization: Bearer YOUR_API_KEY" \ -d '{"to":"32496123456","message":"Hello!"}' Starter pack for new customers
Especially for new customers we offer an attractively priced starter pack at our sharpest rate. All features included, no restrictions.
500 welcome credits
- Bulk SMS sending
- REST API & SDK
- WhatsApp Business
- Voice messages
- Email to SMS
- Excel import with tags
- Scheduled sending
- Server monitoring
- Phone book
- SMS length calculator
- Email notifications
- Performance support
Need more info or a quote?
Discuss your specific needs with our team. For large volumes a sharper rate is possible. We usually reply within the hour.
Contact usPrefer to test for free first?
Create a free test account and send your first messages without any obligation.
Free TEST credits