This task can be performed using Fileping
Your Real-Time Autoresponder for Dependency Downtimes
Best product for this task

Fileping
dev-tools
Monitor and Automate Your Support Responses During Third-Party Downtimes: FailPing Effortlessly Keeps Your Users Informed

What to expect from an ideal product
- Sends quick alerts to users when third-party services go down
- Creates custom status pages to keep everyone in the loop
- Automates updates on social media during outages
- Offers ready-made templates for faster communication
- Tracks service recovery and notifies users when things are back to normal