There is already several micro payment services are available for owners to use.
1. FaucetFly
2. KSWallet
3. CedsonHub

I would personally recommend to use a CedsonHub, as I can guarantee high quality service and new features for faucet owners, that are not present in any other micro wallet services.
However, it is up to you which one to use. If you are interested in CedsonHub, and/or have questions please contact me at admin@cedsonhub.site