# 409 Conflict

The request clashes with the current state, like a duplicate.

## What is **409 Conflict**?

**409 Conflict** means the request clashes with the current state, such as signing up with an email that is already registered.

Level: Journeyman · [More Web Development terms at this level](https://www.ask-codey.com/glossary/subjects/web-development/journeyman)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/409-conflict