How am I notified if there is a failure?

Each contact can have a number of different notification methods, which could include SMS, SMS by email, email or a phone call.

How many people can be notified?

You can choose to have as many people as you want notified.

Can I set up escalation to notify people in sequence?

Definitely. You can choose to notify as many people as necessary.

Can I set up an alert acknowledgement when someone confirms receiving the alert?

Yes. Each contact will have the option to "acknowledge" the notification, which will prevent future alerts from being sent. This is handy when you simply want stop sending alerts after someone responds.

How much does it cost to buy notification credits?

Email and SMS to email notifications are free. SMS and phone notifications are one credit each. See pricing page for full details.