I am going to give you my recommendation of the TOP 5 CPA networks.
1 - Max Bounty
2 - CX Digital Media
3 - Never Blue Ads
4 - Copeac
5 - XY7
These are all based on personal experience.
Note - findaffiliateoffers is a good website to check out the latest CPA offers that provide good payouts.
Post a comment of other CPA networks, that you have had good experience with.