A status page with several checks, showing daily/weekly/monthly stats for all of them.

Teams aka multiple users per account

It would be nice if updown.io could send a Telegram message if somethings goes down/up

Similar to https://status.status.io/pages/history/51f6f2088643809b7200000d

Maybe I overlooked it, but is there a log of the incidents available? Simply a text list of the times when a website went down, and when it was up again.

Longer history than 30 days would be excellent for troubleshooting performance issues.

Status pages are really good, but it's sometimes simpler to have a widget to integrate into another site.
(badges are also very cool ;))

I use pushover.net for all of my lightweight notifications - it's simple, reliable, cheap and very good so fits well with updown.io :)

At its simplest, integration takes the form of an API call with a couple of tokens and a customised message.

https://pushover.net/faq#technical-ips

Ability to create group for gathering checks

Ability to monitor periodic tasks with a simple HTTP call (like https://deadmanssnitch.com/ or http://probyapp.com/)

ex: curl https://updn.io/9jNKL24

Allow maintenance window for planned IT job (server down)

It would be great to have integration with OpsGenie. This would enable escalation of alerts and use their service to send the alert to the on-call colleague.

At the moment a revoked certificate will show an error on browsers, but will show as "up" by updown.io

I was affected by the following, and didn't receive any notification when the site was inaccessible
https://arstechnica.com/information-technology/2018/03/23000-https-certificates-axed-after-ceo-e-mails-private-keys/

Monthly reports

I like the slack integration but my team is using hipchat.
I'd like to see the same integration with this tool.

Let people subscribe to my status page via email

Bulk add domains

Add phone number to SMS to exclude from Do not Disturb mode. During the night my iPhone is within "DND" mode and the updown.io service does not send a phone number. I am not able to exclude the messages from the DND mode because I need to create a contact for this which is not possible because there is no phone number

Provides integration with statuspage.io, so your status page is updated automatically when updown detects an issue.

Geckboard is a popular system to display a variety of metrics via a dashboard for the room. I understand this can probably be done with the API, but if you did a direct integration with them I'm sure you'd see your sign-ups increase since you'd be on their integration list.

Just my 2 cents worth. :)