Optimize conversion and sales through personalized broadcast message. Manage campaign across channels easily from one dashboard.
No additional fees and credit card needed.
Trusted by 100+ companies and institutions to share mass messages.
Create message in advance and plan the delivery on your campaign timeline.
Reach customers through their preferred channels, from SMS to WhatsApp.
Resend broadcast automatically from another selected channel.
Connect with customers efficiently to perform your marketing strategy and improve sales performance.





Create a smoother, more efficient customer experience with reminders, offers, and billing notifications.





Upload, store, and select images or files easily for broadcast in one place.
Share campaigns and reminders on schedule with automated delivery.
Group customer contacts and send your campaign for the right audience.
Improve engagement by using customer data to personalize templates.
Secure your delivery data using our flexible sender ID options.
Refine campaign strategy through detailed broadcast reports.
Consult with our experts to boost services and sales through effective customer interaction.
Share message across channels without switching between platform. From SMS, email, WhatsApp, to Interactive Voice Response (IVR), send them from here.
Get the essential features through OCA Blast Lite and add more capabilities as your campaign needs grow.
Get the essential features through OCA Blast Lite and add more capabilities as your campaign needs grow.
Get inspired improving your services with omnichannel communication solutions.


Improve service quality and public satisfaction through a centralized help and information center, powered by CRM and chatbot support.

Improve Tax Collection 15x More Efficient Through Digital Communication Deliver tax information more personally and efficiently in West Sumatera using broadcast messaging services.

Strengthen trusted communication across lectures ad students at Poltekkes Kemenkes through broadcast messages from the official WhatsApp Business account.

Respond to customer needs faster at IPC Terminal Petikemas by improving service performance with CRM and chatbot integration.
Discover other OCA products to help you connect with customers and support your service growth.
Deliver fast and personalized communication through AI-powered interactive chatbots.
Manage customer messages from multiple channels in one integrated platform.
Grow your communication capabilities by embedding OCA features via API.
Reduce security risks by monitoring data leaks linked to your email address.
Deliver fast and personalized communication through AI-powered interactive chatbots.
Manage customer messages from multiple channels in one integrated platform.
Grow your communication capabilities by embedding OCA features via API.
Reduce security risks by monitoring data leaks linked to your email address.
Get to know more about using OCA Blast to optimize your broadcast delivery.