The Celerity family of products
Below is some information about Celerity’s flagship products BulkSMS.com and Kero.chat, as well as our Business Messaging APIs.
Our Products
Want to learn how our products can improve your business messaging?
Enterprise-Ready Messaging That Works the Way You Do
BulkSMS is more than just a messaging platform – it’s a communication backbone for enterprise operations that depend on precision, scale, and accountability.
Our robust APIs allow for seamless integration into your existing systems, whether you’re working with CRM, ERP, or custom-built platforms. Built to handle high volumes, BulkSMS ensures consistent, time-critical message delivery – whether you’re sending one-time passwords, service alerts, customer notifications, or marketing campaigns.
We help you stay compliant in highly regulated environments.
With data routing transparency, delivery reports, opt-out management, and the option to localise or globalise your messaging footprint, you’re in full control.
Backed by over two decades of experience and a support team that understands the complexity of enterprise operations, BulkSMS is trusted by leaders in retail, finance, healthcare, logistics, education, government and more.
Choose the platform that scales with your business, adapts to your systems, and protects your reputation – message by message.
Transform Your Enterprise Communication with Rich Messaging
Kero is more than just a messaging platform – it’s a dynamic communication tool designed to engage, automate, and scale customer interactions. Built for the modern enterprise, Kero delivers rich, interactive messaging that helps businesses connect meaningfully with their customers.
Our powerful APIs and integration tools allow for seamless system connections, whether you’re working with CRM, ERP, or custom platforms. Designed for high-volume communication, Kero ensures reliable, real-time delivery of personalised messages – whether you’re sending service updates, marketing campaigns, appointment reminders, or transaction alerts.
Stay ahead of compliance with Kero’s built-in security and regulatory features, ensuring your messages are secure and meet industry standards.
From data encryption to opt-in management, Kero provides the tools to control your messaging experience while staying compliant with global regulations.
With enterprise-grade scalability and a support team that understands complex operational needs, Kero is trusted by leading companies in retail, finance, healthcare, and customer support.
Choose Kero to transform your messaging strategy, scale with ease, and engage customers through interactive, impactful conversations – across every channel, at any volume.
Let's recap our
great product offerings
Advanced 2-way SMS functionality
Streamline & scale communications effortlessly across every stage of your customer journey. All from one powerful, unified platform.
RCS Business Messaging
Streamline & scale communications effortlessly across every stage of your customer journey. All from one powerful, unified platform.
SMS Gateway & REST API
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Want to learn how our products can improve your business messaging?
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