10 Best RCS Messaging Tools for Founders [2026 Updated]

1. Twilio

• Type: Paid
• URL: https://www.twilio.com
• Overview: Twilio is a cloud communications platform with APIs for sending RCS Business Messaging alongside SMS and MMS. Developers can use it to build rich, branded campaigns with automatic fallback to other channels.

2. Infobip

• Type: Paid
• URL: https://www.infobip.com
• Overview: Infobip is a global omnichannel communications platform and an RCS partner for brands. It offers RCS campaign tools, chatbots, and analytics, with SMS and WhatsApp fallback options.

3. Sinch

• Type: Paid
• URL: https://www.sinch.com
• Overview: Sinch provides messaging APIs and campaign tools that support RCS for businesses at a global scale. Marketers can send rich cards, carousels, and suggested replies with delivery reporting.

4. Vonage

• Type: Paid
• URL: https://www.vonage.com
• Overview: Vonage offers a Messages API that supports RCS along with SMS, WhatsApp, and other channels. Brands can deliver verified, interactive messages and use failover routing to maximize reach.

5. Bird (formerly MessageBird)

• Type: Paid
• URL: https://bird.com
• Overview: Bird is an omnichannel engagement platform that supports RCS for marketing and customer communication. It combines campaign automation, customer data, and multichannel journeys in one system.

6. Route Mobile

• Type: Paid
• URL: https://routemobile.com
• Overview: Route Mobile is a CPaaS provider that offers RCS messaging for enterprises. It helps brands run interactive, branded campaigns with analytics across several regions.

7. Kaleyra

• Type: Paid
• URL: https://www.kaleyra.com
• Overview: Kaleyra, now part of Tata Communications, provides communications APIs and messaging services including RCS. Businesses use it for promotional and transactional rich messaging with verified sender identity.

8. Klaviyo

• Type: Paid
• URL: https://www.klaviyo.com
• Overview: Klaviyo is a marketing automation platform for ecommerce that has added RCS to its SMS offering. Brands can send rich, branded messages triggered by customer behavior and measure revenue impact.

9. Braze

• Type: Paid
• URL: https://www.braze.com
• Overview: Braze is a customer engagement platform that supports RCS as a channel in its cross-channel campaigns. Marketers can orchestrate personalized journeys that combine RCS with email, push, and SMS.

10. Google RCS Business Messaging

• Type: Free
• URL: https://developers.google.com/business-communications/rcs-business-messaging
• Overview: Google's RCS Business Messaging documentation and developer resources cover how to register an agent and build branded RCS experiences. Access to the developer resources is free, though sending messages requires a partner or aggregator that charges for traffic.