WhatsApp Auto Multimedia Messaging

I need a small-scale system that listens for user interactions on WhatsApp and, in real time, sends back multimedia content—images, short videos, or audio snippets—without any manual intervention from my side.

Key points you should know
• The only aspect to automate is message sending; contact management and data extraction aren’t required.
• Each automated reply will be a multimedia message, never plain text alone.
• The trigger is always a user-initiated action (e.g., a keyword, button tap, or quick-reply), not a timed blast or an external webhook.

What I expect as a finished deliverable
1. Source code or no-code workflow that plugs into the WhatsApp Business API (or an equivalent sanctioned provider such as Twilio or 360dialog) and handles authentication, media hosting, and message dispatch.
2. A brief read-me or screen-share demo showing me how to upload new media assets and map them to triggers so I can update content myself later.
3. Logging or simple dashboard that confirms each outbound multimedia message was delivered successfully, with error handling if WhatsApp rejects a file.

Please keep the solution light—no bloated dashboards or CRM add-ons—and compliant with WhatsApp’s terms of service. If you’ve built similar user-interaction bots, a quick note on your stack choices and expected turnaround will help us move forward fast.