Due to the fact that this is just a sideproject I can't guarantee an answer in the next 5 minutes (I usually answer in the next 24 hours)
Yes, screeenly is a free service. No hidden fees.
All logs created by using the API are automatically deleted after 60 minutes.
You can delete your account in your settings. All assoicated logs and APIs are immediately deleted.
All screenshots created have a lifetime of up to 60 minutes. After 60 minutes the files and the corresponding logs are being deleted from the server.
The application is currendly hosted on a Digital Ocean Droplet in the FRA1 region.
I created screeenly because I wasn't happy with other screenshot solutions available on the web (too expensive, too slow, don't support webfonts).
Yes, screeenly is Open Source. You can find the Source Code on Github.
The app is written PHP and built with the Laravel Framework.