---
title: "Changes to Get Market Orderbook"
method: GET
path: "/markets/{ticker}/orderbook"
---

# Changes to Get Market Orderbook

`GET /markets/{ticker}/orderbook`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 69 revisions.

- **2026-09-29** `dde105932d49`: 1 info
- **2026-07-31** `a07481be8bf9`: 3 warning
- **2026-04-13** `218c1f661cbd`: 1 breaking
- **2026-01-26** `ea5437268cb9`: 1 info
- **2025-11-06** `6ad7527f54aa`: 3 breaking, 2 warning, 10 info

## Changes

- **2026-09-29** `dde105932d49`: 1 info
  - the endpoint scheme security `kalshiAccessKey AND kalshiAccessSignature AND kalshiAccessTimestamp` was removed from the API
- **2026-07-31** `a07481be8bf9`: 3 warning
  - removed the optional property `service` from the response with the `401` status
  - removed the optional property `service` from the response with the `404` status
  - removed the optional property `service` from the response with the `500` status
- **2026-04-13** `218c1f661cbd`: 1 breaking
  - removed the required property `orderbook` from the response with the `200` status
- **2026-01-26** `ea5437268cb9`: 1 info
  - added the required property `orderbook_fp` to the response with the `200` status
- **2025-11-06** `6ad7527f54aa`: 3 breaking, 2 warning, 10 info
  - for the `query` request parameter `depth`, default value `0` was added
  - the `orderbook/no/items/items/` response's property type changed from `integer` to `number` for status `200`
  - the `orderbook/yes/items/items/` response's property type changed from `integer` to `number` for status `200`
  - for the `query` request parameter `depth`, the max was set to `100.00`
  - for the `query` request parameter `depth`, the min was set to `0.00`
  - the endpoint scheme security `kalshiAccessKey AND kalshiAccessSignature AND kalshiAccessTimestamp` was added to the API
  - for the `query` request parameter `depth`, the format was generalized from `int64` to no format
  - added the non-success response with the status `401`
  - added the non-success response with the status `404`
  - added the non-success response with the status `500`
  - the response property `orderbook` became required for the status `200`
  - the response property `orderbook/no` became required for the status `200`
  - the response property `orderbook/no_dollars` became required for the status `200`
  - the response property `orderbook/yes` became required for the status `200`
  - the response property `orderbook/yes_dollars` became required for the status `200`

---

[Operation](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/docs/markets/:ticker/orderbook/get.md) - [API](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints.md) - [Page](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/changes/markets/:ticker/orderbook/get)