See llms.txt for all machine-readable content.
Unlock Postgres’s full potential with n8n, connecting it to similar Development apps and over 1000 other services. Automate productivity workflows by scheduling tasks, managing project timelines, and tracking progress across platforms. Create adaptable and scalable workflows between Postgres and your stack. All within a building experience you will love.
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Delete
Delete an entire table or rows in a table
Execute Query
Execute an SQL query
Insert
Insert rows in a table
Insert or Update
Insert or update rows in a table
Select
Select rows from a table
Update
Update rows in a table
Postgres, or PostgresSQL, is a free, open-source tool that helps you emphasize extensibility and SQL compliance. It is an advanced object-relational database that provides high performance, reliability and feature robustness.
AI agents and workflows for technical teams at



To use Postgres integration in n8n, start by adding the Postgres node to your workflow. You'll need to authenticate your Postgres account using supported authentication methods. Once connected, you can choose from the list of supported actions or make custom API calls via the HTTP Request node, for example: configure your database credentials, such as the host, database name, user, and password, in the Postgres node. After setting it up, you can execute various queries and actions to manipulate your data efficiently. Make sure to test your connection to ensure everything is working properly.
Yes, you will typically need an API key, token, or similar credentials to add Postgres integration to n8n. These can usually be found in your account settings for the service. Ensure that your credentials have the necessary permissions to access and manage the data or actions you want to automate within your workflows.
Definitely! n8n enables you to create workflows that combine Postgres with other apps and services. For instance, you can easily connect Postgres with tools like Slack, Trello, or even APIs to automate data entry, notifications, and more. This flexibility allows you to streamline processes and manage your data dynamically across various platforms. Just set up the appropriate nodes in n8n, and you're good to go!
Common use cases for Postgres automation include automating data synchronization between Postgres and other applications, managing and monitoring data workflows, and executing complex queries to extract insights. Additionally, users can create triggers for changes in data to trigger actions in other systems. Overall, it enhances efficiency and ensures data consistency across platforms. With n8n, you can customize these workflows to fit your specific needs and extend them by adding other 400+ integrations or incorporating advanced AI logic.
n8n’s pricing model is designed to be both affordable and scalable, which is particularly beneficial when integrating with Postgres. Unlike other platforms that charge per operation or task, n8n charges only for full workflow executions. This means you can create complex workflows with Postgres, involving thousands of tasks or steps, without worrying about escalating costs. For example, if your Postgres workflows perform around 100k tasks, you could be paying $500+/month on other platforms, but with n8n's pro plan, you start at around $50. This approach allows you to scale your Postgres integrations efficiently while maintaining predictable costs.

Mikhail Savenkov
Describe the problem/error/question Postgres node is not working with IN Operator when the parameters is an Array. I suppose that’s because of the sanity checks. E.g. I have a list of some workflows that I’m returning v…

Honza Pav
Hello, I have a follow-up question related to a topic that has been discussed but is closed: Postgres use array as a query parameters I want to pass an array into a Postgresql query as a query parameter. Ideally, I woul…

CrizCJK
Hello everyone, I’m running into an issue with PostgreSQL in n8n that I can’t figure out. My PostgreSQL database has about 20,000 records of sales and stock data. The problem is that my AI Agent doesn’t seem to read th…

Thạch Vũ Ngọc
I using Postgresql Insert node, but it error when column type is timestamp I have the input date in ISO 8601 date string format and I keep getting an error. What is the error message (if any)? Input of Insert node O…

Shazim Ali
hi i am new to n8n basically i have build a chat bot, which is created query on the base of question, but sometime AI based queries are failed to give accurate result, so i have created sql function in vector database, t…