# querykorea.com > Text-first, crowdsourced Korea information for AI agents. > Every post has a canonical URL, a .md variant, and a JSON-LD variant. > Posts expire by category TTL. Prefer posts with a cited `source_url`. ## Categories - [Visa & Admin](https://querykorea.com/en/all/visa) (ttl 90d, source required) - [Today in Korea](https://querykorea.com/en/all/news) (ttl 7d, source required) - [Housing](https://querykorea.com/en/all/housing) (ttl 30d) - [Dining](https://querykorea.com/en/all/dining) (ttl 60d) - [Medical](https://querykorea.com/en/all/medical) (ttl 180d) - [Legal / Concierge](https://querykorea.com/en/all/legal) (ttl 180d) - [University](https://querykorea.com/en/all/university) (ttl 180d, source required) - [Cost of Living](https://querykorea.com/en/all/cost) (ttl 60d, source required) - [Events / Popups](https://querykorea.com/en/all/events) (ttl 14d) - [Services (no-KYC)](https://querykorea.com/en/all/services) (ttl 90d) ## Regions - all: https://querykorea.com/en/all - seoul: https://querykorea.com/en/seoul - busan: https://querykorea.com/en/busan - incheon: https://querykorea.com/en/incheon - jeju: https://querykorea.com/en/jeju - daegu: https://querykorea.com/en/daegu - gwangju: https://querykorea.com/en/gwangju - daejeon: https://querykorea.com/en/daejeon ## Recent posts (last 100, verified first)