QuestDB
questdb.ioThe high-performance time series database, built for AI agents
Data & Analyticstime-seriesopen-sourcesqlparquetai-agentstradingcolumnar-database

About
QuestDB is an open-source, high-performance time-series database designed for demanding workloads such as trading, finance, and aerospace. It offers ultra-low latency, high ingestion throughput, and a multi-tier columnar storage engine with native Parquet and SQL support. Data is stored in open formats to avoid vendor lock-in and is accessible to AI agents and LLMs via standard SQL and REST APIs.
Problem
Organizations need a high-throughput, low-latency time-series database that avoids vendor lock-in and works natively with AI agents and modern open data formats.
For
Data engineers, quant developers, and AI infrastructure teams at exchanges, banks, and high-performance workload environments
How it works
QuestDB ingests data via WAL into a time-partitioned columnar engine, automatically tiers historical data to open Parquet format on object storage, and exposes a unified SQL surface and REST API for querying across all tiers.
Business model
open-source
Status
launched
Company
QuestDB