# Problem Details

A standard JSON shape for API error responses.

## What is **Problem Details**?

**Problem Details** (RFC 9457) is a standard JSON shape for errors: `type`, `title`, `status`, `detail`, plus extra fields like validation `errors`.

```json
{
  "title": "One or more validation errors occurred.",
  "status": 400,
  "errors": { "email": ["Enter a valid email address."] }
}
```

Level: Journeyman · [More REST API terms at this level](https://www.ask-codey.com/glossary/subjects/rest-api/journeyman)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/problem-details