If the last update was 4 years ago, the APIs it relies on are likely deprecated. Look for "Active" projects updated within the last 6–12 months.
The web interface sends a signal to your phone via Firebase or WebSockets, and your phone sends the SMS using your mobile plan. bulk+smssender+github+work
Ensure your script includes a way for users to unsubscribe. This isn't just polite—it's a legal requirement (TCPA/GDPR). 5. Security Warning If the last update was 4 years ago,
No per-message API fees (you just pay for your SIM plan). bulk+smssender+github+work
Depending on your comfort level, you should look for projects built with these reliable stacks:
Best for web-based dashboards. Node’s asynchronous nature allows it to handle "queuing" thousands of messages without crashing.