They may be using something like Sift for security checking and something of yours was flagged. Source: almost 2 years ago

But sorry to break it to you, this has been done at a really large scale already although most consumers are not aware. One big player here is https://sift.com/ Almost every major retailer uses their service exactly for the reasons you mention. Source: almost 3 years ago

Reddit, for one. A pretty big list on their homepage. Source: almost 3 years ago

If your like me. Find an actual use case for it and go from there. Easier to line when there is an end goal/project at the end of completion. Check out privatebin, sets up a secureway to share information. Https://privatebin.info/ Should hopefully be able to get your toes wet. Source: 7 months ago

You're welcome! I'd recommend PrivateBin if you're looking for a pastebin service to use. Source: about 1 year ago

One of the things that always bugged me about image hosting services is that they're almost never open source. This very unlike Pastebin services where you have Microbin and PrivateBin. A lot of popular pastebin services either use PrivateBin or Rentry under the hood. Source: about 1 year ago

I need to send a temporarily visible image that deletes itself after viewing, and I can't use a mobile app like Signal or Telegram. I thought about using PrivateBin, but although they encrypt the files (in theory end-to-end), they keep them on their servers. So I found Unsee.cc, and their privacy policy looks great, but I don't know the site, its possible reputation, and it doesn't seem to be open source. Your... Source: about 1 year ago

Not a total solution, but something like https://privatebin.info can be handy for some messaging. Source: about 1 year ago