I contacted Changelly support about a failed transaction from them, they replied within minutes saying they forwarded the transaction number to the technical department.
Anyone have experience with getting their coins from Changelly after a failed transaction? How long did it take to resolve?
From what I've heard, Changelly's after-transaction support isn't the best, especially when you consider how there are cases of people having their coins stuck in limbo for days before getting their transaction processed.
Obviously though, how long it'll take exactly will depend on what issue it exactly is. If the problem is from your end, like failing to include a memo in your deposit when you are supposed to, then expect a longer wait time or them not being willing to process the issue at all.
You could also try messaging them on bitcointalk, they seem to be somewhat active. Though I think that the response time you'll get from this will be no smaller than if you just waited for a response from their technical team.