api_basics

This reference provides comprehensive information about using the openFDA API, including authentication, rate limits, query syntax, and best practices.

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Scientific
1

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Content

# OpenFDA API Basics

This reference provides comprehensive information about using the openFDA API, including authentication, rate limits, query syntax, and best practices.

## Getting Started

### Base URL

All openFDA API endpoints follow this structure:
```
https://api.fda.gov/{category}/{endpoint}.json
```

Examples:
- `https://api.fda.gov/drug/event.json`
- `https://api.fda.gov/device/510k.json`
- `https://api.fda.gov/food/enforcement.json`

### HTTPS Required

**All requests must use HTTPS**. HTTP requests are not accepted and will fail.

## Authentication

### API Key Registration

Whi

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