Contact OnionHaseyo

Have a question about traveling in South Korea, feedback on a guide, or business inquiry? We would love to hear from you.

Editorial & General Support

Questions regarding our guides, transit route updates, or general feedback about the site.

contact@onionhaseyo.com →

Partnerships & Advertising

For travel platforms, tourism boards, and affiliate inquiries.

partner@onionhaseyo.com →

Report Fare/Schedule Changes

Notice a new fare price, modified subway timetable, or changed terminal gate in Korea? Let us know so we can update it immediately for fellow travelers.

Report an Update →

Legal & Copyright (DMCA)

Formal intellectual property notices and legal correspondence.

legal@onionhaseyo.com →
📍 OnionHaseyo is based in Seoul, South Korea • Response time: Typically within 24 to 48 business hours.