Support ESLet’s talk
Company size
Industry
Use cases
Channels
See all solutions See our regulatory approach

Channels · RCS

RCS: the evolution of SMS, with your verified brand

Rich messages with images, video, carousels and buttons, right in the phone’s native messaging app. Nothing to install, with automatic fallback to SMS.

Talk to an expertRead the docs
10:24
Nova StoreVerified business

Today · 10:24

Hi Ana! Your order #4821 is on its way 🚚. Arriving today between 2 and 5 pm.

Track orderChange address
RCS message
Sample message

RCS (Rich Communication Services) brings an app-like chat experience to the phone’s inbox. Your brand shows up with its logo, name and verification badge, which builds trust and reduces the risk of spoofing.

With Inalambria you send RCS through the same REST API you use for SMS. If the recipient’s device is not compatible, the message is automatically delivered as SMS.

Capabilities

Verified sender

Your logo, name, colors and verification badge on every conversation.

Rich content

Images, video, GIFs, PDFs, rich cards and product carousels.

Buttons and suggested replies

Calls to action to pay, book, call, open a map or reply with a single tap.

Read receipts

Know not just whether a message was delivered but whether it was read, and measure every interaction.

Automatic SMS fallback

Full coverage: anyone without RCS receives the message as SMS with no extra work on your side.

Same API as SMS

Integrate RCS with the Inalambria REST API and reuse authentication, reports and callbacks.

Related use cases

Marketing and promotions

Promotions, launches and loyalty campaigns over SMS, RCS, WhatsApp and Email, with segmentation, personalization and automatic RNE and send-window controls.

Learn more

Alerts and notifications

Transactions, reminders, order updates, due dates and service notices delivered in seconds, over priority routes with real-time reporting.

Learn more

Fraud detection

AI against smishing, dedicated short codes, verified senders and real-time transaction confirmation.

Learn more

Hybrid communication

Orchestrate SMS, RCS, WhatsApp, Twnel and Email from a single integration, with automatic overflow, load balancing and rules per message type.

Learn more

Developers

Send RCS through the API

Bearer Token authentication, JSON and status callbacks.

Read the docsAPI reference
# RCS: same endpoint with "Channel": "RCS" (requires prior account set-up)
curl -X POST https://rest.inalambria.com/mtmessage \
  -H "Authorization: Bearer $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "Type": 1,
    "Channel": "RCS",
    "MessageText": "Your order PEDIDO-4471 arrives today between 2 and 5 pm",
    "Devices": "573001234567"
  }'

Frequently asked questions

Which phones receive RCS?

Most modern Android phones with Google Messages and, increasingly, iPhones on iOS 18 or later, subject to operator enablement.

What happens if the user does not have RCS?

We set up SMS fallback with you so the message reaches people without RCS.

How long does brand verification take?

It depends on the platform review. Our team prepares the information and brand assets with you to speed up the process.

Ready to communicate better with your customers?

Tell us about your needs and we’ll design the right solution with you, backed by more than 23 years of experience in Colombia.

Talk to an expertRead the docs