RICH MESSAGING

Get an edge on competitors with RCS and WhatsApp

Exchange images and video content, include quick replies, activate chatbots and more with rich messaging for businesses. It offers all the same great features you know and love but is a more engaging and conversational way of doing business.

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Explore rich messaging services

RCS Business Messaging

Rich Communication Services (RCS), provide an upgraded, more interactive and engaging experience for you and your customers. And for users that don’t support RCS, our solution will default to sending SMS instead so your message won’t be missed.

Explore RCS messaging

WhatsApp Business Platform

Engage with a network of over 2 billion users by using WhatsApp to connect with your customers.

Learn more about WhatsApp Business Platform

Omnichannel Chat

Enjoy powerful, two-way, mobile conversations with customers, improve customer care efficiency and reduce cost to serve.

Learn more about Omnichannel Chat

SMS Landing Pages

Build a bespoke web page for mobile viewing, including images, offer codes and call-to-action buttons to drive customer engagement.

Learn more about SMS Landing Pages

Managed Services

Our rich messaging platform supports business and customer conversations that can be integrated with chatbots and multiple messaging channels.

Learn more about Managed Services

Why use rich messaging channels?

91%

Companies with omnichannel customer engagement strategies retain on average 89% of their customers, compared to a customer retention rate of 33% for companies with weak omnichannel customer engagement.

73%

73% of customers prefer to use multiple channels when shopping. Connecting with your customers on their preferred channel such as RCS or WhatsApp increases your chances of engagement.

40%

Heating engineering company Vaillant increased their customer engagement rate from 2% to 40% by using a combination of RCS and SMS landing pages.

Built by developers, for developers. Integrate our APIs for simple, real-time communication

  Use our API documentation to integrate Esendex’ services into your systems within minutes. Here’s how to send an SMS:

// The POST v1/messages endpoint allows you to send a message to a single contact in one request.
// The message can also be sent via different channels; including SMS, Whatsapp and RCS.

curl -X POST 'https://api.esendex.co.uk/v2/messages' -H 'X-Api-Key: {{your-key-here}}' -H 'Content-Type: application/json' -d

{
  "accountReference": "EXxxxxxxxx",
  "name": "name",
  "characterSet": "characterSet",
  "channel": "channel",
  "from": "from",
  "validity": "2025-07-30T09:38:04.4517739+00:00",
  "messageType": "messageType",
  "body": {
    "text": "text",
    "templateId": "templateId"
  },
  "recipients": [
    {
      "msisdn": "msisdn",
      "variables": {},
      "metaData": {}
    }
  ],
  "addressBook": {
    "contacts": [
      {
        "id": "id"
      }
    ]
  },
  "metaData": {}
}