---
title: "Page Not Found"
url: "https://develop.sentry.dev/backend/api/concepts"
---

# Page Not Found

The page `/backend/api/concepts` does not exist.

## Pages in API Development

- [REST API Basics](https://develop.sentry.dev/backend/api/basics.md)
- [Design Principles](https://develop.sentry.dev/backend/api/design.md)
- [Publishing an API](https://develop.sentry.dev/backend/api/public.md)
- [API Deprecation Policy](https://develop.sentry.dev/backend/api/deprecation-policy.md)
- [Public API Checklist](https://develop.sentry.dev/backend/api/checklist.md)
- [Serializers](https://develop.sentry.dev/backend/api/serializers.md)

## Find what you need

- [Site index](https://develop.sentry.dev/llms.txt) — LLM-optimized page listing
- [Documentation root](https://develop.sentry.dev/index.md) — full docs overview
- [Platforms](https://develop.sentry.dev/platforms.md) — all SDK platforms