Building an app and need to add calling, video, chat, SMS and pay-per-use? Rather than building it all, plug in the Callsyst APIs — a white-label communication and monetisation layer, ready to integrate into your product.
Get a free quote
Voice, video, chat, SMS, email, connection without sharing contact details, per-minute / package / subscription billing, high-volume handling in parallel. You assemble these building blocks in your own product, across thousands of possible models.
Software and SaaS vendors, mobile apps, marketplaces, and companies that want a communication and monetisation layer (CPaaS) without becoming a telecom operator.
Your clients reach you on the channel they prefer. Connections always happen without sharing contact details:
One foundation, every model. Whatever your use case, you freely activate and combine the monetisation options that suit you:
Yes: voice, video and chat channels are available via API and integrate with your app.
It is a software layer that gives you voice, video, chat, SMS and email via API, to integrate into your product under your brand — with, at Callsyst, connection without sharing contact details and pay-per-use billing already built in.
You choose: bill the end user, or have your company cover it.
It depends on the channels, the volumes and your billing model. Tell us about your project via the form: we will send you a free, tailored quote.
By profession
You bring the community and the expertise; Callsyst brings the technology, white-label and with no development.