Changelog

A history of changes to Kraken’s Exchange APIs

2026

28 April 2026 — Spot WS v2

• Added execution_venue subscription parameter to the instrument channel (one of international, bitnomial-exchange; defaults to international)

27 April 2026 — Spot REST v1

• Added execution_venue field to AssetPairs response (one of international, bitnomial_exchange)

11 March 2026 — Spot REST v1

• Added GetApiKeyInfo endpoint to retrieve API key configuration and usage

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2025

15 December 2025 — Spot REST v1

• Added Level3 endpoint for individual order-level (L3) order book data
• Added GroupedBook endpoint for aggregated order book data over configurable tick size

15 December 2025 — General Docs

• Migrated blog content to guides section
• Refreshed navigation menus for improved discoverability

2 December 2025 — Spot WS v2

• L3 WebSocket endpoint URL changed from wss://ws-auth.kraken.com/v2 to wss://ws-l3.kraken.com/v2

13 November 2025 — Spot ALL

• Deprecated .F asset values returned by Balance and BalanceEx endpoints

18 September 2025 — Spot ALL

• Deprecated no_mpp parameter on AddOrder, EditOrder, and AddOrderBatch

5 September 2025 — Spot REST v1

• Added asset_class filter parameter to Ticker endpoint

15 August 2025 — Spot REST v1

• Added asset_class parameter to market data and trading endpoints for xStocks

15 August 2025 — Spot WS v2

• Added rebased parameter to executions and balances requests to specify xStocks mode

15 August 2025 — Spot WS v1

• Added rebased parameter to openOrders and ownTrades requests to specify xStocks mode

15 August 2025 — Spot FIX v1

• Added Tag 5051 to Logon requests to specify xStocks mode
• Added TS SecurityType to InstrumentListRequest

4 August 2025 — Derivatives REST v1

• Announced upcoming authentication breaking change effective October 1st, 2025

28 July 2025 — Spot REST v1

• Added documentation for CreditLines endpoint

24 June 2025 — Spot REST v1

• Fixed error message formatting on Account Data endpoints

29 May 2025 — Spot FIX v1

• Added Tag 78 and 79 for Subaccount Management for Broker accounts

28 May 2025 — Spot REST v1

• Moved OTC endpoints to Institutional menu section

28 May 2025 — Spot WS v2

• Added user field to executions and balances channels to help identify the account

8 May 2025 — Spot WS v1 (v1.9.6)

• Added stp_type to addOrder providing self trade prevention options

8 May 2025 — Spot WS v2 (v2.0.10)

• Added timestamp field to level3 channel to help clients track market data sequence

8 March 2025 — Derivatives FIX v1

• FIX now supports futures trading

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2024

28 September 2024 — Spot FIX v1

• Added Tag 5050 LiquidityInd in ExecutionReport

27 September 2024 — Spot REST v1

• Added AmendOrder endpoint to modify order parameters
• Added OrderAmends endpoint to retrieve an audit trail of amend transactions
• Added amended flag to OpenOrders and ClosedOrders endpoints to identify amended orders

27 September 2024 — Spot WS v1 (v1.9.5)

• Added amendOrder endpoint to modify order parameters
• Added amended flag to openOrders channel to identify amended orders

27 September 2024 — Spot WS v2 (v2.0.9)

• Added amend_order endpoint to modify order parameters
• Added amended exec_type to executions channel to identify amended orders

27 September 2024 — Spot FIX v1

• Added order cancel-replace request message MsgType=G to modify order parameters

5 September 2024 — Spot REST v1

• Added cl_ord_id parameter to query endpoints: ClosedOrders, OpenOrders

22 August 2024 — Spot WS v2 (v2.0.8)

• Added liquidated flag to executions channel to show when an order has been liquidated
• Added subscription rate limits to the level3 market data feed

1 August 2024 — Spot WS v2 (v2.0.7)

• snap_trades parameter now defaults to false
• Added ext_ord_id field to openOrders and executions
• Added ext_exec_id field to ownTrades and executions
• Added margin_borrow flag to ownTrades and executions

27 June 2024 — Spot WS v2 (v2.0.6)

• Deprecated snapshot and snapshot_trades in executions channel

24 June 2024 — Spot REST v1

• Added cl_ord_id parameter to order endpoints: AddOrder, CancelOrder

30 May 2024 — Spot WS v2 (v2.0.5)

• Modified balances channel to always include wallet breakdown and cumulative balance
• Added asset_class to balances channel for future expansion

23 May 2024 — Spot FIX v1.8

• Changed ClOrdId (Tag 11) and OrigClOrdId format and validation

21 May 2024 — Spot REST v1

• Added country_code parameter to AssetPairs

16 May 2024 — Spot WS v2 (v2.0.4)

• Added cl_ord_id and sender_sub_id client order identifiers
• Clarified that GTD expire time is one month

16 May 2024 — Spot WS v1 (v1.9.3)

• Added cl_ord_id and sender_sub_id client order identifiers
• Added margin indicator for leveraged orders

14 May 2024 — Spot REST v1

• Added cl_ord_id and sender_sub_id identifiers to order queries
• Added margin indicator to leveraged orders

18 April 2024 — Spot FIX v1.7

• Added iceberg and trailing-stop order types to FIX

1 March 2024 — Spot REST v1

• Removed Staking section, deprecated and no longer supported

1 March 2024 — Spot WS v2 (v2.0.3)

• Added event_trigger parameter to the ticker channel

15 February 2024 — Spot WS v2 (v2.0.2)

• Added cash_order_qty to the executions channel

1 February 2024 — Spot REST v1

• Added maker and ledgers fields to TradesHistory and QueryTrades

10 January 2024 — Spot WS v1 (v1.9.2)

• Narrowed range of valid offsets (from current time) for the deadline parameter

1 January 2024 — Spot REST v1

• Removed support for POST requests to all public endpoints
• Added migration notes to Balance and Ledger endpoints

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2023

14 December 2023 — Spot WS v2 (v2.0.1)

• Added trailing-stop and trailing-stop-limit order types
• Added trigger protection during connectivity issues with index providers

14 December 2023 — Spot REST v1

• Added trailing-stop and trailing-stop-limit order types

7 December 2023 — Spot WS v2 (v2.0.0)

• WebSocket v2 taken out of beta
• Added status and restated values to exec_type
• Added support for native amends in level3 channel
• Enabled level3 channel in all environments
• Added support for new ledger types in balances channel
• Enabled balances channel in all environments
• Deprecated cancel_reason in executions channel — use reason instead

1 November 2023 — Spot REST v1

• Added WithdrawMethods and WithdrawAddresses endpoints
• Added start, end, cursor, and limit parameters to WithdrawStatus

30 October 2023 — Spot FIX v1.0.0

• Added Tag 5041 ChecksumOrderBook parameter

1 October 2023 — Spot REST v1

• Added max_fee parameter to Withdraw and minimum field in response

1 September 2023 — Spot REST v1

• Added start, end, cursor, and limit parameters to DepositStatus

1 August 2023 — Spot REST v1

• Added earn / balance service documentation

14 July 2023 — Spot WS v2 (beta)

• Added support for iceberg order type

1 July 2023 — Spot REST v1

• Added private BalanceEx documentation

1 June 2023 — Spot FIX v1.0.0

• First version of FIX API in production beta

1 June 2023 — Spot REST v1

• Added amount parameter to DepositAddresses
• Added count parameter to Trades

1 May 2023 — Spot REST v1

• Added address parameter to Withdraw
• Added since parameter to Spread

3 April 2023 — Spot WS v2 (beta)

• OHLC channel: added interval field to request parameters

22 March 2023 — Spot WS v2 (beta)

• Edit Order request: added limit_price field, deprecated price field
• executions channel: added margin field to order details
• instrument channel: added additional support for price_precision

15 March 2023 — Spot WS v2 (beta)

• executions channel: added last_qty and last_price fields to trade events
• OHLC channel: added interval and interval_begin fields
• Corrected default time_in_force settings

2 March 2023 — Spot WS v1 (v1.9.1)

• Added contingent field on private open order feed
• Enabled fast reconnect on WebSockets following trading engine maintenance

1 March 2023 — Spot REST v1

• Added originators parameter to DepositStatus

1 February 2023 — Spot REST v1

• Added long and short position limits to AssetPairs
• Specified minimum and maximum number of txids and userrefs
• Specified maximum number of responses for DepositStatus and WithdrawStatus
• Added note to use %2b instead of + for URL encoding

1 January 2023 — Spot REST v1

• Removed requirement for asset in DepositStatus and WithdrawStatus
• Documented reduce_only parameter
• Added consolidate_taker to TradesHistory, ClosedOrders, and QueryOrders
• Added Subaccounts section
• Added trade_id to private TradesHistory

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2022

1 December 2022 — Spot REST v1

• Fixed pair parameter restriction on TradeVolume
• EditOrder now allowed on margin orders

28 November 2022 — Spot WS v2 (beta)

• Corrected several details in the executions channel

22 November 2022 — Spot WS v2 (beta)

• Removed internal version from the About section
• Multiple formatting and data corrections

1 November 2022 — Spot REST v1

• Added tick_size and status parameters to AssetPairs
• Added status and collateral_value to Assets
• Added trade_id to public Trades

1 October 2022 — Spot REST v1

• Documented uv (unexecuted value) field in TradeBalance
• Added costmin trading parameter to AssetPairs
• Ticker wildcard support — pair no longer required

1 September 2022 — Spot REST v1

• AddOrder, EditOrder, and AddOrderBatch now support iceberg orders

1 July 2022 — Spot REST v1

• Added support for restricting API keys to specified IP address(es)

1 June 2022 — Spot REST v1

• Added custom self trade prevention options

1 May 2022 — Spot REST v1

• New AddOrderBatch endpoint to send multiple new orders
• New CancelOrderBatch endpoint to cancel multiple open orders

22 March 2022 — Spot WS v1 (v1.9.0)

• Added support for editOrder

1 March 2022 — Spot REST v1

• New EditOrder endpoint to edit volume and price on open orders

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2021

1 December 2021 — Spot REST v1

• Added trigger optional parameter to AddOrder

31 March 2021 — Spot WS v1 (v1.8.3)

• Added deadline support to addOrder

25 February 2021 — Spot WS v1 (v1.8.0)

• Added timeinforce and Immediate-or-Cancel (IOC) support

4 February 2021 — Spot WS v1 (v1.7.1)

• Changed close code to 1008 (Policy Violation) from 1013
• Added policy rule for maximum rate of subscriptions
• Added new generic error type with optional internal error codes
• Improved public market data snapshot performance

30 January 2021 — Spot WS v1 (v1.7.0)

• Added userref field to openOrders and ownTrades update messages

13 January 2021 — Spot WS v1 (v1.6.1)

• Added Dead Man’s Switch (cancelAllOrdersAfter) REST endpoint
• Fixed intermittent public data WebSocket feed latency

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2020

21 December 2020 — Spot WS v1 (v1.6.0)

• Introduced post_only trading mode for maintenance procedure

5 December 2020 — Spot WS v1 (v1.5.0)

• Added optional ratecounter argument for openOrders subscription
• Added maxratecount and current ratecount reporting
• Added cancel_only trading mode
• Relaxed slow-consumer constraint on WebSocket connections
• Maintained private WebSocket connections during maintenance
• Improved public market data snapshot/stream synchronisation

18 November 2020 — Spot WS v1 (v1.4.1)

• Added cancelAll REST endpoint

2 November 2020 — Spot WS v1 (v1.4.0)

• Added cancelAll trading request functionality
• Performance upgrade to cancelOrder request handling
• Improved messages and close codes when closing WebSocket connections
• Fixed incorrect error for addOrder with invalid pair

27 October 2020 — Spot WS v1 (v1.3.0)

• Added sequence numbers on private feeds (openOrders, ownTrades)

12 October 2020 — Spot WS v1 (v1.2.1)

• Eliminated trading rate limit penalty for filled orders
• Performance improvement for REST real-time and historical market data
• Rejected market conditional close orders
• Fixed intermittent bug affecting Ticker REST endpoint

31 August 2020 — Spot WS v1 (v1.2.0)

• Added cancel_reason to openOrders stream
• Added optional snapshot parameter for ownTrades feed

22 June 2020 — Spot WS v1 (v1.1.0)

• Added order book checksum

18 February 2020 — Spot WS v1 (v1.0.7)

• Added addOrder and cancelOrder endpoints

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2019

1 October 2019 — Spot WS v1 (v1.0.6)

• Introduced openOrders and ownTrades channels

4 February 2019 — Spot WS v1 (v1.0.5)

• Fixed publishing of deleted price levels

23 January 2019 — Spot WS v1 (v1.0.4)

• Added connectionID field to systemStatus message

18 January 2019 — Spot WS v1 (v1.0.3)

• Added open prices on ohlc including 24-hour values
• Increased timestamp precision to microseconds
• Updated sandbox URL

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2018

24 December 2018 — Spot WS v1 (v1.0.2)

• Changed timestamp field to string type

7 December 2018 — Spot WS v1 (v1.0.1)

• Released WebSocket public market data sandbox v0.0.4
• Changed timestamp precision to milliseconds

28 November 2018 — Spot WS v1 (v1.0.0)

• Released WebSocket public market data sandbox v0.0.3