Text Messaging Cloud enables you to send SMS via Webhook. Go to workflow and define your trigger and choose action as webhook for sending SMS. For eg. to send welcome SMS on lead creation go to Workflow, then create a trigger on all lead creation and choose action as webhook.
Now choose instant action as send SMS or send WhatsApp custom actions.
Send WhatsApp Template – Select custom action, send WhatsApp and select the module along with template and number.
Send SMS – Select send SMS custom action and add your message content and number