Chat with your PostgreSQL database for free — no SQL required
Stop writing SQL by hand. Connect your PostgreSQL database and ask questions in plain English. Free to use, bring your own API key, no data stored on our servers.
The QueryDB Blog
Insights on LLMs, specialized agents, and databases.
How a LangGraph SQL Agent lets anyone chat with your database for free
Learn how a LangGraph SQL agent works under the hood — and how you can connect your PostgreSQL database and start querying it in plain English today, no SQL knowledge required.
Building a Production SQL Agent with LangGraph
How we built a production-ready SQL agent using LangGraph, covering pipeline architecture, retries, schema caching, and the hard lessons we learned shipping it.
Prompt Engineering for SQL Agents: What Actually Works
Practical, no-fluff advice on prompts that reliably produce correct, safe SQL from language models — and why the surrounding plumbing matters more than the prompt itself.
5 ways a text-to-SQL AI agent saves your engineering team 10+ hours/week
Stop context switching between Slack and your SQL client. Let stakeholders query your PostgreSQL database themselves while you focus on product work.
The complete guide to natural language SQL for PostgreSQL
Stop writing complex JOINs and subqueries. Use AI to generate SQL from plain English — connect your PostgreSQL database and get answers instantly.
How to query your PostgreSQL database with AI
Learn how you can use the power of modern LLMs to extract insights from your PostgreSQL database without writing a single line of SQL.