RCS Messaging

The different RCS
message types

RCS offers far more than just text. From simple messages to interactive carousels with product catalogues - discover the full range of RCS messaging possibilities.

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RCS Message
Type 1 Simple

RCS Basic Text (RBM Basic Message)

The simplest form of an RCS message. Like a classic SMS, but with the advantage of a verified sender and read receipts.

  • Up to 160 characters (like a single SMS)
  • No interaction - plain text without buttons
  • Verified sender with brand logo
  • Read receipts in real time

Ideal for: Short notifications, OTP codes, reminders

Type 2 Interactive

RCS Rich Text (RBM Single Message)

The enhanced text message with more characters and the ability to display suggestion chips (reply suggestions) below the message.

  • Up to 3,072 characters - more room for your message
  • Up to 11 suggestion chips for quick replies
  • URL buttons for links and actions
  • Dial buttons for direct calls
  • Add-to-Calendar for events directly in the calendar
  • Show-Location for locations in Google Maps
  • Share-Location for location sharing by recipients
  • Webhook for backend integrations

Ideal for: Customer communication, surveys, support enquiries

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RCS Message
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RCS Message
Type 3 Rich Media

RCS Rich Card (RBM Single Message)

The visual powerhouse message. Combine an image or video with a title (max. 200 characters), description (max. 2,000 characters) and up to 4 action buttons in an elegant card.

  • High-resolution image or video as header
  • Title & description for context
  • Up to 4 buttons per card (max. 25 characters per button)
  • Up to 11 suggestion chips below the card
  • Various layouts (portrait, landscape)

Button types: URL, Dial, Add-to-Calendar, Show-Location, Share-Location, Webhook

Ideal for: Product announcements, offers, event invitations

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RCS Message
Type 5 Media

RCS Files & Media (RBM Single Message)

Send files directly via RCS - from images and videos to PDFs and documents. Everything directly in the messaging app, without external downloads.

  • Images (JPEG, PNG, GIF) up to 100 MB
  • Videos (MP4, MPEG, WebM, H.263) for dynamic content
  • PDFs & documents for invoices, tickets
  • Audio files for voice messages

Ideal for: Invoices, tickets, guides, product videos

RCS message types compared

Find the right message type for your use case

Type Text Media Card Buttons Suggestion Chips Layout Use case
Basic Text Max. 160 characters - - - - OTP, short messages
Rich Text Max. 3,072 characters - - Max. 11 total
Reply & Action mix
- Support, surveys
Rich Card Title: 200
Description: 2,000
1 image/video
JPG, PNG, GIF, MP4, WebM
Max. 4 per card Max. 11 total
Reply & Action mix
Vertical / Horizontal
Image: Left / Right
Offers, events
Rich Carousel Title: 200
Description: 2,000
per card
2-10 cards
Image/video per card
Max. 4 per card Max. 11 total
Reply & Action mix
Vertical only Product catalogues
Files & Media Caption: 3,072
URL max. 2,000 characters
Max. 100 MB
JPG, PNG, GIF, MP4, MPEG, WebM, H.263
- - - Documents, videos

Button & chip text

Max. 25 characters per button and suggestion chip

Payload-Limit

Max. 250 KB JSON payload per message

Available actions

URL, URL-in-Webview, Dial, Calendar, Show location, Share location, Webhook/Postback

FAQ

RCS message types, answered

Which RCS message types are there?

SendRCS supports five RCS message types: Basic Text (plain text up to 160 characters), Rich Text (up to 3,072 characters with suggestion chips and buttons), Rich Card (image or video with title, description and buttons), Rich Carousel (2-10 scrollable cards) and Files & Media (images, videos, PDFs, documents and audio). SMS fallback is available for every type.

How many characters can an RCS message contain?

A Basic Text message holds up to 160 characters, like a single SMS. Rich Text messages hold up to 3,072 characters. In Rich Cards and Carousels, each card has a title of up to 200 characters and a description of up to 2,000 characters. Buttons and suggestion chips are limited to 25 characters each.

How many buttons and suggestion chips can I add?

Each Rich Card or carousel card can have up to 4 action buttons, and every message can show up to 11 suggestion chips below it. Seven button types are available: URL, URL-in-webview, dial, add-to-calendar, show-location, share-location and webhook/postback.

What is the difference between a Rich Card and a Rich Carousel?

A Rich Card is a single card with one image or video, a title, a description and up to 4 buttons - ideal for one product, offer or event. A Rich Carousel combines 2 to 10 such cards in a horizontally scrollable row, so recipients can browse several products or options in one message.

Which files and media can I send via RCS?

Images (JPEG, PNG, GIF), videos (MP4, MPEG, WebM, H.263), audio files and PDFs or documents, each up to 100 MB. Files open directly in the recipient's messaging app without external downloads - ideal for invoices, tickets, guides and product videos.

What do RBM Basic Message and RBM Single Message mean?

They are Google's billing categories for RCS Business Messaging (RBM). A Basic Message is text only, up to 160 characters, without suggestion chips or rich elements. A Single Message is any richer message: text over 160 characters, messages with suggestion chips, Rich Cards, Carousels and media. SendRCS shows the category next to each message type so you know how it is billed.

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