I will generate another api key to avoid this issue to happen again and use the old api key for testing if I need it.
That still doesn't help (you could generate 1000 api keys, and use the one with the best result). You need to tell us exactly ahead of time what you're going to do, and what to expect. And we also need to be able to reproduce how you come up with the ticket assignments =D
You basically need to keep thinking of ways you can cheat, and then making it impossible for you to do so without being detected. Only when you get that far, do you have provable fairness