Data sources & attribution
GlutenFreeRadar is built on open, openly-licensed data. We credit every source, as their licenses require.
🗺️ OpenStreetMap
Place locations, addresses, opening hours, contact details and diet:gluten_free tags come from OpenStreetMap. © OpenStreetMap contributors, licensed under the Open Database License (ODbL).
🧭 Overture Maps
Missing contact details (phone, website) are filled from Overture Maps Foundation Places data, used under its open license (CDLA-Permissive 2.0 / ODbL, per source feature). Overture aggregates open place data from multiple contributors.
🖼️ Photos
Photos are either uploaded by the venues themselves, or sourced from Wikimedia Commons with attribution to the respective photographers and their licenses. We never use Google or Yelp imagery.
🛡️ Please verify before you eat
Gluten-free status and our 🟢/🟡/🟠 safety tiers are based on open data and community input and can change. If you have celiac disease, always confirm cross-contamination handling directly with the venue.