I’m a professional Airtable consultant and an API expert, and I can definitely help you with all of this!
One thing that I would highly recommend for your ShipStation & Zoom integration needs would be to switch away from Zapier to Integromat, because Integromat is much more powerful, much easier to use, and significantly less expensive than Zapier.
For example, instead of us needing to craft all of our own custom API calls for ShipStation and Zoom (which I can definitely do for you), we can simply use the powerful built-in modules that are already built into Integromat.
Take a look at how many additional triggers & actions Integromat gives us for both ShipStation & Zoom, whereas Zapier gives us almost none for these same 2 apps:
Please feel free to contact me through my website at ScottWorld.com, and we can setup an appointment to chat more!