Tradier API Changelog

Recent changes to the Tradier API

A full listing of updates and changes to the Tradier API and documentation. If you have any specific questions about a particular change please feel free to reach out to us at

  • Beta Account Streaming
    Oct 20, 2021 Brokerage API

    You can stream account events using WebSockets. This API is in beta.

  • Order Tagging
    Oct 20, 2020 Brokerage API

    You can now provide custom tags to orders as you place them. See the 'tag' parameter.

  • New option lookup API
    June 2, 2020 Brokerage API

    Convenience API to find all options for an underlying, including different option roots.

  • WebSocket API Beta Available
    May 13, 2020 Brokerage API

    WebSocket API documentation added and released to production for public beta testing.

  • Custodial Account capability
    May 12, 2020 Advisor API

    Add support for opening custodial accounts via API, including an example for reference.

  • Gainloss API changes
    May 11, 2020 Brokerage API

    Consistency fixed and sorting direction added to gainloss account APIs.

  • Account Activity changes
    April 29, 2020 Brokerage API

    Better documentation for account activity types. More data integrity issues addressed.

  • Foreign Account capability
    March 2, 2020 Advisor API

    Add documentation supporting foreign account functionality including examples.

  • Add Greeks
    October 2, 2019 Brokerage API

    Add option greeks data to chains sourced from ORATS.