# Open Food Facts API

Barcode-based food product information, ingredients, and nutrition data.

- Canonical guide: https://findpublicapis.com/apis/open-food-facts/
- Category: Food & drink
- Authentication: No key
- Access: Free access
- Documentation reviewed: 2026-09-16 (not live uptime testing)
- Official documentation: https://openfoodfacts.github.io/openfoodfacts-server/api/

## What you could build
Build a barcode product lookup showing available ingredients, source links, and missing-data states.

## Usage conditions
Public reads require an identifying User-Agent; writes need authentication. Follow endpoint rate limits, attribution, and share-alike conditions. Data is community-contributed and may be incomplete. Use staging for testing.

## Example endpoint
https://world.openfoodfacts.org/api/v3.6/product/3274080005003.json

Browser requests require provider CORS support. Confirm current access, pricing, and usage rights with the provider.