> This page location: Functions > Templates > Rate limit with Postgres
> Full Neon documentation index: https://neon.com/docs/llms.txt

# Rate limit with Postgres

Fixed-window rate limiting with an atomic Postgres upsert.

- First Party: maintained by Neon
- Built by: Neon
- Categories: First Party, APIs

## Install

```bash
neon functions new rate-limit-postgres
```

## What it does

This template has a single handler and no named operations, so it's a starting point for your own code. To try it, run it locally with [`neon dev`](https://neon.com/docs/cli/dev.md) first, and deploy it to a branch with [`neon deploy`](https://neon.com/docs/compute/functions/deploy.md) once it works.

## Related

- Previous: [Chat SDK bot for Slack, Telegram, and the web](https://neon.com/functions/templates/chat-sdk.md)
- Next: [OpenAI Agents SDK starter](https://neon.com/functions/templates/openai-agents.md)
- [All templates](https://neon.com/functions/templates.md)
- [Template source](https://github.com/neondatabase/examples/tree/main/registry/rate-limit-postgres)
- [Use function templates](https://neon.com/docs/compute/functions/templates.md)
- [Contribute a function template](https://neon.com/docs/compute/functions/registry.md)

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