Brokers

IB

Probably the main broker you should be using if anywhere else but the US

• headless IB gateway instructions
• IBController user guide
• forum discussion on reliably running IBG in the cloud
• ib_insync: python asyncio based api around the TCP message protocol
• you can be both long and short an instrument if you have more then one account
• web based symbol search utility

Questrade

• api documentation
• admin fees