Changelog
Changelog
Keep track of changes and upgrades to the Rails API
[1.5.0] - 2025-05-29
Changed
- For both Create Order request and Cancel Order request, we have added a new Acknowledgment response in addition to the existing Confirmation response.
- The Acknowledgment response is sent immediately after the request is received, while the Confirmation response is sent after the order is successfully created or cancelled.
- This change allows for faster feedback on the request status, improving the user experience.
Security
-
Add a rate limit (
6000requests per minute) for Create Order request and Cancel Order request.- This rate limit is shared across all markets and both endpoints.
- If the rate limit is exceeded, the request will be rejected with a
429 Too Many Requestserror.
-
Add a receive window constraint for Create Order request.
- The receive window is set to
1second, meaning that the request will be rejected if it cannot be processed within this time frame. - You will receive a
400 Bad Requesterror and an error messagereceive window exceeded, order rejected.
- The receive window is set to
Deprecated
- We are phasing out the User Account WebSocket in favor of the User Account REST API.
[1.4.7] - 2025-05-22
Deprecated
- The Cancel Order By Price request is deprecated from Order Creation WebSocket and will be removed in the next release.
[1.4.6] - 2025-05-20
Added
- Add a new field
filledAtto Get Completed Orders endpoint.
Deprecated
- The existing field
txCreatedfrom Get Completed Orders endpoint is deprecated and will be removed in the next release.
[1.4.5] - 2025-05-15
Fixed
- Fix cross order book issues for Order Book WebSocket.
Note
- Remove the
1%balance cushion from market makers, which means the entire account balance can now be used for trading.
[1.4.4] - 2025-05-13
Security
- Add rate limit (20 requests per minute) for Authorization endpoint.
[1.4.3] - 2025-05-08
Changed
- Add new
filledQuantityfield to Order Filled Notifications. The existingquantityfield now represents the remaining quantity instead of the filled quantity. - Rename
createdAtandupdatedAttoorderCreatedAtandorderFilledAtrespectively for Transaction Stream.
Note: Both changes above were breaking changes according to the Semantic Versioning rules, but they were not breaking changes in practice since the market makers were not using the API at the time of the change.
Fixed
- Fix empty body for Order Book WebSocket.
- Fix create, cancel, and fill messages not delivered in deterministic order for Order Creation WebSocket.
- Fix
updatedAttimestamp not up to date from Cancel Order response.
[1.4.2] - 2025-05-03
Fixed
- Fix Order Book WebSocket
pingmessage returning errors instead ofpong.
[1.4.1] - 2025-05-02
Note
- Change unrealized PnL calculation to use index price instead of
(ask + bid) / 2for Get Positions endpoint.
[1.4.0] - 2025-05-01
Added
- Add a new endpoint for Get Product Specifications.
Changed
- Raise Order Creation WebSocket connection limit from 2 to 4.
[1.3.0] - 2025-04-29
Added
- Add a new WebSocket Transaction Stream.
Changed
- Rename
refChainTxIdtotxHashin Get Withdrawals endpoint.
Note: This was a breaking change according to the Semantic Versioning rules, but it was not a breaking change in practice since the market makers were not using the API at the time of the change.
[1.2.1] - 2025-04-22
Changed
- Drop minimum two decimal places constraint for
priceandquantityin Create Order request.
Fixed
- Fix Get Completed Orders endpoint having partially filled orders returned as completely filled.
[1.2.0] - 2025-04-15
Added
- Add a new User Account WebSocket.
Fixed
- Fix Get Supported Market endpoint to return only supported markets, not all markets.
Removed
- Remove per market option from Get Completed Orders endpoint.
[1.1.0] - 2025-04-8
Added
- Add post-only option to Create Order request.
Fixed
- Fix
maxSlippagevalidation for Create Order request.
[1.0.1] - 2025-04-8
Added
- Add authorization token caching to all Get Account REST endpoints.