---
title: "Restart Order Book Tracker"
method: POST
path: "/market-data/order-book/restart/{connector_name}"
tags: ["Market Data"]
---

# Restart Order Book Tracker

`POST /market-data/order-book/restart/{connector_name}`

Restart the order book tracker for a connector.

Use this endpoint when the order book is stale (WebSocket disconnected).
This will:
1. Stop the existing order book tracker
2. Restart it with the same trading pairs
3. Wait for the WebSocket to reconnect

Args:
    connector_name: The connector to restart (e.g., "binance")
    account_name: Optional account name for trading connectors

Returns:
    Restart status with success/failure and trading pairs

## Path parameters

- `connector_name` string, required

## Query parameters

- `account_name` string

## Response `200`

Successful Response

- unknown

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/hummingbot/apis/hummingbot-api.md) · [All operations](https://skmtc.net/hummingbot/apis/hummingbot-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/hummingbot/hummingbot-api/revisions/5347fe79537f/schema)