# Hotelson — Open Hotel Profile registry > Machine-readable hotel profiles built from each hotel’s own website and answers, marked verified when the hotel confirmed its domain. Facts only, no prices. - [All hotels and URLs](https://www.sonaroo.com/ai.md): instructions for agents and every hosted hotel - [Registry tree (Markdown)](https://www.sonaroo.com/registry.md): countries → cities → hotels - [Registry JSON](https://www.sonaroo.com/api/registry.json): filter with ?country=it&city=bologna - Hotel page: https://www.sonaroo.com/registry/{country}/{city}/{slug}.md - Hotel files: https://www.sonaroo.com/api/p/{country}/{city}/{slug}/hotel.llm.json · hotel.md · hotel.json · hotel.jsonld