crossplatform stripe sdk

Hi, We are building consultancy marketplace, where the service is hired and provided by humans through the app/web. We integrate with Stripe web sdk (credit card only). We are very confused about IOs terms:

  • Do they will commision us for each payment? how do they know how much, or how can we tell them?
  • There is an IOS sdk, is it manadatory?

Thanks in advance!

crossplatform stripe sdk
 
 
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