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Web API Latest Release Notes

Updated August 2020

Hash Id: ed4af2592e9dd4a784d5403843bd18292fd441ea

  • GET /iserver/marketdata/history: The format for the payload response has been updated to reflect the raw data returned from iserver, start → startTime, delay → mktDataDelay. Refer to Market Data History for complete details on the response.
  • Regional API: We have started to roll out local regional support. Chicago Server will service Canada and South America while NJ Server will service the rest. Each region will be a fall over of the other. 
  • POST /iserver/account/orders/{faGroup}: The endpoint allows Financial Advisors to place orders to a specified group. FA Groups can be created within the Desktop TWS. Refer to the TWS Users' Guide for details.
  • POST /iserver/account/{accountId}/order/{orderId}: No longer required to receive orderId during the current session when modifying an order.

Note: No changes to the gateway only backend.

July 2020

Hash Id: ed4af2592e9dd4a784d5403843bd18292fd441ea

  • GET /iserver/marketdata/history: Endpoint has been updated to support outsideRth - boolean. If set to true will include outside of regular trading hours in the payload response for contracts that support it.
  • WebSocket: Streaming for market data, orders and pnl have been reformatted as TOPIC+{ARGUMENT}. The first letter determines s=subscribe, u=unsubscribe. Pass an empty argument {} if none is required. For complete details including examples refer to the User's Guide.
    • Market Data: Top of the book (level I) data. The 'snapshot' argument is removed. The 'fields' argument is required, refer to Market Data Snapshot for a list of available field values.
      • smd+conid+{"fields":[]}
      • umd+conid+{}
    • Live Orders: Relays back real time updates of your open orders. To receive all open orders for the entire day you can poll the endpoint /iserver/account/orders.
      • sor+{}
      • uor+{}
    • Profit and Loss: Realized and Unrealized Profit and Loss are available real time streaming. Updates can be received as quickly as once per second.
      • spl+{}
      • upl+{}
    • Echo: To maintain an active websocket session it is recommended to send a heartbeat every 10 seconds.
      • ech+hb
  • Fixes: GET /fyi/unreadnumber: Due to a bug in Chrome that caches headers, the HTTP method has been updated to support both GET and POST.

Note: No changes to the gateway only to the backend.

June 2020

Hash Id: ed4af2592e9dd4a784d5403843bd18292fd441ea

  • GET /iserver/marketdata/{conId}/unsubscribe: The endpoint allows the ability to cancel market data for specified conId.
  • GET /trsv/stocks: Support has been added to relay back payload for multiple companies who use the same stock symbol.
    Example: A: [{name: "AGILENT TECHNOLOGIES INC"...}, {name: "AGRONOMIA SPA"...}, {name: "ARMOR MINERALS INC"...}]
  • GET /iserver/marketdata/history: Payload response now supports mdAvailability S = Streaming, whereby streaming allows up to 5 concurrent requests.
  • POST /iserver/secdef/search: Endpoint has been updated to relay back description = exchange in the payload response.
  • POST /tickle: We have added the payload response to also relay back iserver/auth/status.
  • Fixes: GET /trsv/stocks search by symbol with spacing updated to relay back exchange.

May 2020

Hash Id: 47d42bed8f3a0a15453dcd10d9accceaf5ece3c1

  • May 4: Beta Gateway updated to Latest: With this update legacy /v1/portal or /v1/api can be used to communicate to api.ibkr.com.

April 2020

Hash Id: 859e4e09dd2c1de16ab7333574f08bc46a205960

  • New api.ibkr.com infrastructure: To improve stability the new domain api.ibkr.com has been created exclusively for traffic for Web API users.
  • POST /trsrvr/secdef support { symbols: [] }: Endpoint has been updated to supports payload with multiple symbol request(s). Example: { symbols: [FB, BABA, MSFT] }

The risk of loss in online trading of stocks, options, futures, currencies, foreign equities, and fixed income can be substantial. Options are not suitable for all investors. For more information read the "Characteristics and Risks of Standardized Options". For a copy click here.

Your capital is at risk and your losses may exceed the value of your original investment.

Interactive Brokers (U.K.) Limited is authorised and regulated by the Financial Conduct Authority. FCA Reference Number 208159.

Interactive Brokers LLC is regulated by the US SEC and CFTC and is a member of the SIPC (www.sipc.org) compensation scheme;
products are only covered by the UK FSCS in limited circumstances.

Before trading, customers must read the relevant risk disclosure statements on our Warnings and Disclaimers page.

For a list of IBG memberships worldwide, click here.