Example: Stockbroker

  • What is it?
  • Intermediary between customers and central stock exchange.

  • What is platform is supposed to do? Buying, selling stocks by individuals. Taxes? Withdraw and deposit money?
    • So we design only API to buy and sell stock at current time. So it means it should be immediate, if we add to the queue we need take into consideration the price.
  • Should i design the SQL table?
  • Is it a global audience? Which regions?
    • Only US, 1 million of customers in a day.
  • What kind of availability are we aiming?
  • Design UI? What kind of clients will me have mobile, web?
  • Are we going to interact with another API because we are intermediary?
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