id	title	sidebar_label
api-reference	API reference	Overview

This topic is an index to the Apache Druid API documentation.

HTTP APIs

Druid SQL queries to submit SQL queries using the Druid SQL API.
SQL-based ingestion to submit SQL-based batch ingestion requests.
JSON querying to submit JSON-based native queries.
Tasks to manage data ingestion operations.
Supervisors to manage supervisors for data ingestion lifecycle and data processing.
Retention rules to define and manage data retention rules across datasources.
Data management to manage data segments.
Automatic compaction to optimize segment sizes after ingestion.
Lookups to manage and modify key-value datasources.
Service status to monitor components within the Druid cluster.
Dynamic configuration to configure the behavior of the Coordinator and Overlord processes.
Legacy metadata to retrieve datasource metadata.

Java APIs

SQL JDBC driver to connect to Druid and make Druid SQL queries using the Avatica JDBC driver.