# Validate Environment Variables with Pydantic

DevFeed: [Validate Environment Variables with Pydantic](<https://devfeed.tech/articles/validate-environment-variables-with-pydantic-30865.md>)

Original publisher: [Read original article](<https://www.packetcoders.io/validate-environment-variables-with-pydantic/>)

Author: Rick Donato

Published: 2025-12-02T08:00:19Z

Content type: tutorial

Language: en

Sources: [Packet Coders - Learn Network Automation](<https://devfeed.tech/sources/packet-coders-learn-network-automation.md>)

Topics: [Pydantic](<https://devfeed.tech/topics/pydantic.md>), [Environment Variables](<https://devfeed.tech/topics/environment-variables.md>), [.env](<https://devfeed.tech/topics/dotenv.md>), [Python](<https://devfeed.tech/topics/python.md>)

Tags: [env-file-security](<https://devfeed.tech/tags/env-file-security.md>), [environment-variables](<https://devfeed.tech/tags/environment-variables.md>), [python](<https://devfeed.tech/tags/python.md>), [settings](<https://devfeed.tech/tags/settings.md>), [tips](<https://devfeed.tech/tags/tips.md>)

## AI overview

A brief tutorial tip showing how to validate environment variables from .env files with Pydantic before they reach an application. It also notes that this can remove the need to manually call python-dotenv.

## Source excerpt

Tip! Validate your env vars from your .env files before they hit your application by using Pydantic. This also eliminates the need to call python-dotenv manually. Here's an example: # uv add pydantic pydantic-settings python-dotenv from pydantic import Field, AnyHttpUrl, ValidationError from pydantic_settings import BaseSettings,