Global SMS Communication Platform
Global SMS Solutions for
Modern Businesses
Send Bulk SMS, Transactional Messages, OTP Verification Codes, and Business Notifications Worldwide with Reliable Delivery and Competitive Pricing.
2B+
Messages Delivered
10K+
Active Clients
180+
Countries Covered
99.5%
Delivery Success Rate
Industries
Trusted across every sector
Wennio powers communication for businesses of all shapes and sizes.
🛒E-commerce
🏥 Healthcare
🎓 Education
🏦 Financial Services
🚚 Logistics
✈️ Travel & Tourism
💻 SaaS Companies
📈 Digital Marketing
🏛️ Government
🏢 Enterprise
🎮 Gaming
Services
Everything in SMS, one platform
From one-time OTPs to large-scale marketing campaigns — Wennio handles it all.
📣
Bulk SMS Marketing
Launch large-scale SMS campaigns for promotions, announcements, and customer engagement across any segment.
🔔
Transactional SMS
Send order confirmations, payment alerts, account notifications, and critical updates in milliseconds.
Transactional
🔑
OTP Verification
Secure user authentication with instant one-time password delivery — trusted by banks and fintechs.
Security
⚙️
SMS API Integration
Power your applications with flexible, developer-friendly APIs and comprehensive documentation.
Developer
💬
WhatsApp Business
Connect with customers through official WhatsApp Business solutions with rich message support.
📞
Voice OTP & Notifications
Provide voice-based verification and automated call notifications for users who prefer calls.
Voice
Testimonials
Businesses love Wennio
★★★★★
Wennio transformed how we communicate with customers. Our OTP delivery rate jumped from 88% to 99.2% within the first week of switching.
RK
Rahim Karim
CTO, FinStart BD
★★★★★
The API is clean, well-documented, and we integrated it in under 2 hours. The dashboard reporting is exactly what our marketing team needed.
SA
Sara Ahmed
Head of Marketing
★★★★★
We send over 500,000 transactional SMS monthly. Wennio handles it without a single hiccup — and their support team is genuinely excellent.
MH
Minhaz Hossain
CEO, LogiTrack
Community
Join the Wennio Community
Connect, learn, earn, and grow — together with thousands of SMS professionals.
✍️
Blog & Earn
Write about SMS marketing, tech tutorials, case studies, or business tips — and earn from your content as your articles grow in reach.
- Publish articles and tutorials
- Earn from views and referrals
- Build your personal brand
- Get featured by the Wennio team
🤝
Community Hub
A dedicated space to post job opportunities, exchange career insights, and collaborate on solving real business communication challenges.
- Browse & post job opportunities
- Ask questions and get answers
- Collaborate on SMS projects
- Connect with industry experts
Support Center
We're here when you need us
💬
Live Chat
Get instant answers from our team directly in the platform any time.
🎫
Support Tickets
Submit detailed issues and track resolutions from your dashboard.
📧
Email Support
Reach us at support@wennio.com — we reply within 4 hours.
📚
Knowledge Base
Extensive guides, tutorials, and FAQs to solve issues yourself.
Ready to scale your business communication?
Start sending messages globally today. No credit card required for your first 500 messages.
Global SMS Communication Platform — delivering fast, reliable, and secure messaging to businesses worldwide.
SERVICE
Bulk SMS
Transactional SMS
OTP Verification
SMS API
WhatsApp Business
Voice OTP
© 2026 Wennio. All rights reserved.