curl --request POST \
  --url https://api.v3.tatango.com/transactional_messages/send_rcs_carousel \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "phoneNumber": "5551234567",
  "webhookUrl": "https://api.example.com/webhooks/rcs",
  "rcsPayload": {
    "cards": [
      {
        "body": {
          "title": "Summer Sale",
          "text": "Save up to 50% on all summer items. Limited time offer!",
          "url": "https://example.com/images/summer-sale.jpg",
          "isVideo": false
        }
      },
      {
        "body": {
          "title": "Winter Collection",
          "text": "Get ready for winter with our latest collection.",
          "url": "https://example.com/images/winter-collection.jpg",
          "isVideo": false
        }
      }
    ]
  },
  "smsFailover": "Check out our latest offers!"
}
'

{
  "message": "RCS carousel message sent successfully",
  "transactionId": "019687e1-1b54-70f4-a68a-60af7fa776f4"
}