WhatsApp API for engagement at scale

// 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.

{
    "accountReference" : "EXUK0000",
    "name": "name",
    "characterSet": "GSM",
    "channel": "WhatsApp",
    "from": "71460491",
    "validity": "2025-07-19T09:07:12.190Z",
    "messageType": "MarketingAndResearch",
    "body": {
        "text": "example",
        "templateId": ""
    },
    "recipients": [
        {
            "msisdn": "+4470000000000",
            "variables": {
            },
            "metaData": {
            }
        }
    ],
    "metaData": {
        "zsuvhhn": "niqloaf",
        "xljgmvj": "akwenax"
    }
 }