Why Django REST Framework doesn't show your custom validation error messages (and what to do about it)

📰 Dev.to · Soldatov Serhii

Learn why Django REST Framework doesn't display custom validation error messages and how to resolve the issue

intermediate Published 21 May 2025
Action Steps
  1. Check your serializer's validation code to ensure it raises a ValidationError with a custom error message
  2. Use the 'code' parameter when raising a ValidationError to provide a custom error code
  3. Configure your API to display detailed error messages by setting the 'DEBUG' setting to True or using a custom error handler
  4. Test your API with invalid data to verify that custom validation error messages are displayed correctly
  5. Use the 'errors' key in the API response to access and display custom validation error messages
Who Needs to Know This

Backend developers and software engineers working with Django REST Framework can benefit from this knowledge to improve error handling and user experience in their APIs

Key Insight

💡 Django REST Framework requires custom validation error messages to be raised with a 'code' parameter and configured to display detailed error messages

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🚀 Fix custom validation error messages in Django REST Framework! 🚀

Key Takeaways

Learn why Django REST Framework doesn't display custom validation error messages and how to resolve the issue

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Title: Why Django REST Framework doesn't show your custom validation error messages (and what to do about it)

URL Source: https://dev.to/soldatov-ss/why-django-rest-framework-doesnt-show-your-custom-validation-error-messages-and-what-to-do-about-2dcl

Published Time: 2025-05-21T12:52:56Z

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Posted on May 21, 2025

# Why Django REST Framework doesn't show your custom validation error messages (and what to do about it)

[#django](https://dev.to/t/django)[#python](https://dev.to/t/python)[#drf](https://dev.to/t/drf)

The GitHub Discussion: [link](https://github.com/encode/django-rest-framework/discussions/7850)

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