You can visit https://steemblockexplorer.com/@tipu to see if payments are being refunded. Im working on a better system thought.
Upvoting is working now and have worked whole day yesterday :)
The late refund was probably my fault as I was changing/resetting the service. Normally its about 1 min.
Oh, and you can use @tipu to send tips and upvotes like this: tip! 0.1