---
title: "GET /book"
method: GET
path: "/book"
tags: ["api-gateway"]
---

# GET /book

`GET /book`

## Query parameters

- `symbol` string, required
- `level` integer, nullable

## Response `200`

Orderbook snapshot for a symbol. Level 3 includes individual order quantities; Level 2 returns only aggregated quantities.

- GetBookResponse
  - `book` GetBookResponseBook, required
    - `tn` integer, required
    - `ts` integer, required
    - `a` GetBookResponseBookLevel[], required
      - `o` integer[], nullable
      - `p` string, required
      - `q` integer, required
    - `b` GetBookResponseBookLevel[], required
      - `o` integer[], nullable
      - `p` string, required
      - `q` integer, required
    - `s` string, required

## Other responses

- `400` — Invalid level parameter
- `404` — Symbol not found
- `503` — MdPub not available

---

[API](https://skmtc.net/architect/apis/ax-api-gateway.md) · [All operations](https://skmtc.net/architect/apis/ax-api-gateway/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/architect/ax-api-gateway/versions/2955c31c524d/schema)