> ## Documentation Index
> Fetch the complete documentation index at: https://docs.norns.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# API Reference

> Reference documentation for the Norns.ai API

## Authentication

All API endpoints require authentication using Bearer tokens. You'll need to include your API key in the Authorization header:

```bash theme={null}
Authorization: Bearer YOUR_API_KEY
```

## Base URL

All API requests should be made to:

```bash theme={null}
https://www.norns.ai/api/v0
```

## Rate Limiting

Each account has a credit-based system. Different operations consume different amounts of credits:

* Scrape endpoint: 1 credit per request
* Map endpoint: 5 credits per request
* Summarize endpoint: 2 credits per 10,000 tokens
* OCR endpoint: 2 credits per 10,000 tokens
* Extract entities endpoint: 2 credits per 10,000 tokens
* Sentiment analysis endpoint: 2 credits per 10,000 tokens

<Note>New accounts receive 100 free credits upon signup.</Note>