Problems authenticating and getting information from API for a clients dashboard

Hi Team,

We are creating a google app running out of firebase for a private customer and we need to extract all of their servicem8 data into a warehouse for us to then provide accurate data to their BI dashboard.

We keep running into issues with authentication, we have set up apps in developer section of their account with app keys etc but still continue to fail on the request. We have noted other people saying they needed something done on your end before it would then work.

Can we please have some info/help on next steps so we can authenticate and start pulling the data? Just so it's clear we need to pull ALL job data including financials.

Thanks.