---
title: "Changes to Fetch Order Book"
method: GET
path: "/api/{exchange}/fetchOrderBook"
---

# Changes to Fetch Order Book

`GET /api/{exchange}/fetchOrderBook`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 19 of 76 revisions.

- **2026-07-18** `da5293255d19`: 1 info
- **2026-07-18** `a98fefb8161d`: 1 breaking
- **2026-07-18** `62d8f63af36e`: 1 info
- **2026-07-10** `2bd757f65a2b`: 1 breaking
- **2026-06-24** `32dbe12155be`: 1 info
- **2026-06-23** `858d8634282a`: 2 breaking
- **2026-06-23** `738f11301a51`: 5 info
- **2026-06-23** `cbe214ccb5ee`: 4 breaking
- **2026-06-15** `be1661f6ac56`: 1 info
- **2026-06-10** `6b5d7cfbe684`: 3 info
- **2026-06-08** `85099767600d`: 4 info
- **2026-06-08** `bbdfabd13dd5`: 4 breaking, 4 info
- **2026-06-08** `04938810d95e`: 4 info
- **2026-06-08** `44a531e667da`: 2 info
- **2026-06-08** `821e1b569105`: 4 breaking
- **2026-05-30** `172e98231249`: 4 info
- **2026-05-30** `2b25a48d8243`: 4 breaking
- **2026-05-30** `72d7551e406c`: 4 info
- **2026-05-30** `08323ab2db57`: 4 breaking

## Changes

- **2026-07-18** `da5293255d19`: 1 info
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
- **2026-07-18** `a98fefb8161d`: 1 breaking
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
- **2026-07-18** `62d8f63af36e`: 1 info
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
- **2026-07-10** `2bd757f65a2b`: 1 breaking
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
- **2026-06-24** `32dbe12155be`: 1 info
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
- **2026-06-23** `858d8634282a`: 2 breaking
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
  - removed the enum value `mock` from the `path` request parameter `exchange`
- **2026-06-23** `738f11301a51`: 5 info
  - added the new enum value `gemini-titan` to the `path` request parameter `exchange`
  - added the new enum value `hunch` to the `path` request parameter `exchange`
  - added the new enum value `hyperliquid` to the `path` request parameter `exchange`
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
  - added the new enum value `mock` to the `path` request parameter `exchange`
- **2026-06-23** `cbe214ccb5ee`: 4 breaking
  - removed the enum value `gemini-titan` from the `path` request parameter `exchange`
  - removed the enum value `hyperliquid` from the `path` request parameter `exchange`
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
  - removed the enum value `mock` from the `path` request parameter `exchange`
- **2026-06-15** `be1661f6ac56`: 1 info
  - added the new enum value `rain` to the `path` request parameter `exchange`
- **2026-06-10** `6b5d7cfbe684`: 3 info
  - added the optional property `allOf[subschema #2]/data/isNegRisk` to the response with the `200` status
  - added the optional property `allOf[subschema #2]/data/lastTradePrice` to the response with the `200` status
  - added the optional property `allOf[subschema #2]/data/sourceMetadata` to the response with the `200` status
- **2026-06-08** `85099767600d`: 4 info
  - added the new enum value `gemini-titan` to the `path` request parameter `exchange`
  - added the new enum value `hyperliquid` to the `path` request parameter `exchange`
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
  - added the new enum value `mock` to the `path` request parameter `exchange`
- **2026-06-08** `bbdfabd13dd5`: 4 breaking, 4 info
  - removed the enum value `gemini-titan` from the `path` request parameter `exchange`
  - removed the enum value `hyperliquid` from the `path` request parameter `exchange`
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
  - removed the enum value `mock` from the `path` request parameter `exchange`
  - added the optional property `allOf[#/components/schemas/BaseResponse]/error/code` to the response with the `200` status
  - added the optional property `allOf[#/components/schemas/BaseResponse]/error/detail` to the response with the `200` status
  - added the optional property `allOf[#/components/schemas/BaseResponse]/error/exchange` to the response with the `200` status
  - added the optional property `allOf[#/components/schemas/BaseResponse]/error/retryable` to the response with the `200` status
- **2026-06-08** `04938810d95e`: 4 info
  - added the new enum value `gemini-titan` to the `path` request parameter `exchange`
  - added the new enum value `hyperliquid` to the `path` request parameter `exchange`
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
  - added the new enum value `mock` to the `path` request parameter `exchange`
- **2026-06-08** `44a531e667da`: 2 info
  - added the optional property `allOf[subschema #2]/data/asks/items/orderCount` to the response with the `200` status
  - added the optional property `allOf[subschema #2]/data/bids/items/orderCount` to the response with the `200` status
- **2026-06-08** `821e1b569105`: 4 breaking
  - removed the enum value `gemini-titan` from the `path` request parameter `exchange`
  - removed the enum value `hyperliquid` from the `path` request parameter `exchange`
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
  - removed the enum value `mock` from the `path` request parameter `exchange`
- **2026-05-30** `172e98231249`: 4 info
  - added the new enum value `gemini-titan` to the `path` request parameter `exchange`
  - added the new enum value `hyperliquid` to the `path` request parameter `exchange`
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
  - added the new enum value `mock` to the `path` request parameter `exchange`
- **2026-05-30** `2b25a48d8243`: 4 breaking
  - removed the enum value `gemini-titan` from the `path` request parameter `exchange`
  - removed the enum value `hyperliquid` from the `path` request parameter `exchange`
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
  - removed the enum value `mock` from the `path` request parameter `exchange`
- **2026-05-30** `72d7551e406c`: 4 info
  - added the new enum value `gemini-titan` to the `path` request parameter `exchange`
  - added the new enum value `hyperliquid` to the `path` request parameter `exchange`
  - added the new enum value `metaculus` to the `path` request parameter `exchange`
  - added the new enum value `mock` to the `path` request parameter `exchange`
- **2026-05-30** `08323ab2db57`: 4 breaking
  - removed the enum value `gemini-titan` from the `path` request parameter `exchange`
  - removed the enum value `hyperliquid` from the `path` request parameter `exchange`
  - removed the enum value `metaculus` from the `path` request parameter `exchange`
  - removed the enum value `mock` from the `path` request parameter `exchange`

---

[Operation](https://skmtc.dev/pmxt-dev/apis/pmxt-hosted-api/docs/api/:exchange/fetchOrderBook/get.md) - [API](https://skmtc.dev/pmxt-dev/apis/pmxt-hosted-api.md) - [Page](https://skmtc.dev/pmxt-dev/apis/pmxt-hosted-api/changes/api/:exchange/fetchOrderBook/get)