Soprano Design

Overview

Soprano Design was founded in 1994 and is headquartered in Sydney, Australia, with regional teams in Europe, the Americas, New Zealand and Southeast Asia. It sells Soprano Connect, an omnichannel messaging platform, mainly to banks, healthcare providers and government bodies. It acquired Silverstreet in 2020, Ubisend in 2022, Hello Technology in 2023 and Whispir in 2024.

Key features

• HTTP, SMPP, voice, template and authenticator APIs into Soprano Connect
• SMS with inbound and outbound messaging, plus email to SMS
• RCS Business Messaging with verified sender branding, carousels, suggested replies, delivery and read receipts, and built-in SMS fallback
• WhatsApp Business API, Viber, email and secure IP messaging in the same platform
• Text-to-voice messages, with inbound voice for IVR
• RapidAlert REST interface for time-critical alerts
• Professional services for custom workflows

Pricing

Not published. Soprano sells to enterprises through its sales team.

How it compares to Linq

Soprano has no iMessage, which is Linq's main channel. Both offer SMS and RCS with SMS fallback. Soprano also covers WhatsApp, Viber, email and voice messages, while Linq's WhatsApp is a separate beta API. Linq publishes flat monthly plans from $260 for Pro and has a free tier; Soprano does not publish prices.

Best for

Large enterprises and government agencies in Australia and abroad that need managed, multi-channel messaging.

Sources

• sopranodesign.com/communications-platform-as-a-service-cpaas/rcs-messaging
• sopranodesign.com/company/about
• sopranodesign.com/communication-apis
• sopranodesign.com/communication-apis/sms
• sopranodesign.com/platform/security/platform