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Engage effortlessly

Verified, branded conversations build trust. Get ready to enjoy response rates you never thought possible!

Delight with rich media

Get expressive! Use pictures, audio, video, and action buttons to create an unmatched customer experience.

Act like an app

Send engaging, interactive messages straight to customer SMS inboxes – no downloads required.

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It's called "Rich" Communication Services for a reason

Stand out from the competition with advanced two-way customer conversations right in customer SMS inboxes.

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of annual sales revenue during the holiday period


increase in customer engagement with RCS


higher CTR with RCS than Rich SMS

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Create engaging, programmable RCS chats

Bring your brand to life in the inbox your users prefer using RCS via our omnichannel Conversation API. With the possibility to personalize each message it's easier to start the conversation than ever before.

Dynamic content

Take the guesswork out of engagement! Give customers suggested replies and CTAs via response buttons that’ll make their lives, and yours, so much easier.

Registered senders only

Only verified companies can use business RCS messaging, which means trust is built in from the get-go. And that makes it even easier to start a conversation.

Real-time feedback

Get closer to customers and learn more about their behavior with real-time delivery, read receipts, and activity notifications.

Web/SMS fallback

Worried that some phones or networks might not support RCS? No problem! We'll turn your message into a web experience that can be sent via SMS to make sure it still gets delivered.

Personalized user experience

Store customer chat history and analytics with our omnichannel Conversation API to automate personalized, relevant replies.

Engaging alerts

Exciting carousels with images and programmable responses bring abandoned cart reminders to life and makes your promotional activities rise above the noise.

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Frequently asked questions

  • What is rich communication services (RCS) messaging, and how does it work? 

    RCS messaging is a protocol that can send messages to mobile phones, like SMS and MMS. But it’s so much more than that – think of it as SMS or MMS 2.0. 

    The RCS experience is similar to messaging apps like WhatsApp or Instagram; you can send images, videos, buttons, carousels, and more. But the best part is that there’s no third-party messaging app needed. RCS messages go directly to a phone’s native inbox, just like SMS and MMS do. 

  • RCS vs. SMS – which is better? 

    It depends on what you’re trying to do! RCS is designed to work like any other messaging app, so it’s better suited to long conversations. Also, because it supports rich media, it’s fantastic for marketing communications. 

    SMS, on the other hand, is excellent for notifications and critical updates - fraud alerts from a bank, verification passcodes, delivery updates, etc. SMS can be conversational too, so if you want customers to reply to a notification, that’s possible! 

    Businesses often combine RCS and SMS to cover all use cases. Some even use SMS as a backup if RCS isn’t supported by a handset. 

  • Where is RCS supported?

    RCS is a collaboration between Google and mobile operators around the world. Support for RCS is growing all the time. For more information, contact one of our experts.

  • What devices support RCS? 

    RCS is only supported on Android phones today. The most common message inbox to use is the default Google Messages app. Check if your phone supports RCS by opening the Google Messages app and selecting the menu in the top right. Choose settings and then chat features. 

    RCS requires users to opt in. In newer phones, this is usually done while setting up the phone. 

  • What media types does RCS support?

    RCS protocol enables real-time message receipts, high-res images, video and audio. In addition, reply chips and carousels allow for simple browsing or scheduling.

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Conversation API

One conversation. One customer profile. One API. All the messaging channels you need!


Send and receive text messages at scale through a single connection.


Level up your customer experience and set your brand apart with rich, compelling messages - discover our MMS API!


Sinch supports a wide range of channels so you can reach your customers wherever they are.

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Enrich your business - get started with RCS

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Try out Sinch now - for free!

No credit card needed
Send free test messages
Easy integration
Access your API credentials and manage your settings and configuration
Sign up for an account and talk to us to get started with RCS