How to Create and Broadcast an RCS Message
Broadcasts let you send the same RCS message to a list of contacts at once. This article walks you through starting a broadcast and building each type of RCS message.
Step 1: Start the Broadcast
Go to Broadcast List. A Broadcast List is a saved group of contacts you want to message together.
Open an existing contact list, or create a new one and add the contacts you want to reach.
Click Send RCS Message.
Step 2: Choose Your Message Type
Select the format you want to send. RCS broadcasts support three message types.
Text or Media
Send a text message with an optional attachment. Best for quick updates, announcements, or sharing a single image, video, or document.
Supported attachments: Image, Video, PDF.
Limits:
Message body: 1024 characters
Image: JPEG or PNG, up to 5 MB
Video: MP4, up to 16 MB
PDF: up to 100 MB
Rich Card
A Rich Card combines media, text, and interactive buttons into a single card. Best for highlighting one product, offer, or announcement with a clear call-to-action button.
Each Rich Card includes:
Optional image, video, or PDF
Card orientation (Vertical or Horizontal)
Title (up to 200 characters)
Description (up to 2000 characters)
Up to 4 buttons
Media limits are the same as above: images up to 5 MB (JPEG/PNG), videos up to 16 MB (MP4), and PDFs up to 100 MB.
Carousel
A Carousel displays multiple Rich Cards that customers can swipe through. Best for showcasing several products or options that customers can browse.
When building a Carousel, you can:
Choose Small or Medium card width
Add 2 to 10 cards
Configure each card with optional media, a title, a description
Title (up to 200 characters)
Description (up to 2000 characters)
Up to 4 buttons
Every card follows the same media and character limits as a Rich Card.
Step 3: Add Buttons (Rich Card and Carousel only)
Rich Cards and Carousel cards support several interactive button types.
Quick Reply — The customer taps to send a predefined reply. Required: Button Label (maximum 25 characters).
Open URL — Opens a website. Required: Button Label, Destination URL. Optional: Open inside WebView.
Dial Number — Starts a phone call. Required: Button Label, Phone Number.
View Location — Opens a map showing a predefined location. Required: Button Label, Latitude, Longitude.
Request Location — Prompts the customer to share their live location. No additional fields required.
Calendar Event — Lets the customer save an event to their phone's calendar. Required: Button Label, Event Title, Start Date & Time, End Date & Time. Optional: Event Description.
Step 4: Select the Channel and Send
Under Send broadcast via, choose your RCS channel.
Click Send Now to send immediately, or select Send Later to schedule the broadcast for a future time.
Broadcasts follow the same character limits and media restrictions as one-to-one conversations.
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