druid/docs/api-reference/dynamic-configuration-api.md

---
id: dynamic-configuration-api
title: Dynamic configuration API
sidebar_label: Dynamic configuration
---

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This document describes the API endpoints to retrieve and manage the dynamic configurations for the [Coordinator](../configuration/index.md#overlord-dynamic-configuration) and [Overlord](../configuration/index.md#dynamic-configuration) in Apache Druid.

## Coordinator dynamic configuration

See [Coordinator Dynamic Configuration](../configuration/index.md#dynamic-configuration) for details.

Note that all _interval_ URL parameters are ISO 8601 strings delimited by a `_` instead of a `/`
as in `2016-06-27_2016-06-28`.

`GET /druid/coordinator/v1/config`

Retrieves current coordinator dynamic configuration.

`GET /druid/coordinator/v1/config/history?interval={interval}&count={count}`

Retrieves history of changes to overlord dynamic configuration. Accepts `interval` and  `count` query string parameters
to filter by interval and limit the number of results respectively.

`POST /druid/coordinator/v1/config`

Update overlord dynamic worker configuration.


## Overlord dynamic configuration

See [Overlord Dynamic Configuration](../configuration/index.md#overlord-dynamic-configuration) for details.

Note that all _interval_ URL parameters are ISO 8601 strings delimited by a `_` instead of a `/`
as in `2016-06-27_2016-06-28`.

`GET /druid/indexer/v1/worker`

Retrieves current overlord dynamic configuration.

`GET /druid/indexer/v1/worker/history?interval={interval}&count={count}`

Retrieves history of changes to overlord dynamic configuration. Accepts `interval` and  `count` query string parameters
to filter by interval and limit the number of results respectively.

`GET /druid/indexer/v1/workers`

Retrieves a list of all the worker nodes in the cluster along with its metadata.

`GET /druid/indexer/v1/scaling`

Retrieves overlord scaling events if auto-scaling runners are in use.

`POST /druid/indexer/v1/worker`

Update overlord dynamic worker configuration.