Our API allows any developer to write fully featured trading and analytical application through their brokerage account. We provide the Ally Invest API to active clients who want to build a personal application, connect through a wealth management site or use third-party trading tools.
An HTML REST-based API that includes quote and trading data on a "request" basis
A socket-based API with a constant secure connection for pushing more data and information on a consistent basis
A FIX-based API for server-to-server connections for banks and large institutions