{"listing":{"listing_type":"company","name":"Heysan","slug":"heysan","tagline":"Free messaging on mobile phones","description":"Heysan was a free mobile messaging and community based in San Francisco, California.\n\nInitially Heysan provided free messaging between phones and computers, bridging IM with SMS. The service expanded into launching a mobile community and has over 1 million users doing tens of million of monthly messages. In the summer of 2007 Heysan raised a seed round from Khosla Ventures and Atomico, the venture funds of Vinod Khosla and Niklas Zennstrom.\n\nHeysan was acquired by Good Technology in May 2009.\n\nHeysan is a Y Combinator company (Winter 2007). YC-listed status: Acquired.","url":"http://heysan.com/","is_stealth":false,"normalized_domain":"heysan.com","normalized_url_key":"heysan.com","parent_slug":null,"parent":null,"type_data":{},"logo":"https://bookface-images.s3.amazonaws.com/small_logos/bf698725d330ade4e0d1868371aa09cdbc9aa0c6.png","links":[{"label":"Y Combinator profile","url":"https://www.ycombinator.com/companies/heysan","platform":"ycombinator"}],"entry_points":[{"kind":"homepage","url":"http://heysan.com/","audience":"any","primary":false,"listed_by":"community","derived_from":"url","on_listing_domain":true}],"primary_entry_points":{"human":{"kind":"homepage","url":"http://heysan.com/","audience":"any","primary":false,"listed_by":"community","derived_from":"url","on_listing_domain":true},"agent":null},"founders":[],"media":null,"categories":["Consumer","Social","Community","Messaging"],"stage":null,"founded_year":null,"location":"San Francisco, CA, USA","pricing":null,"twitter":null,"github":null,"linkedin":null,"contact_email":null,"added_at":"2026-09-03T05:41:47.044Z","added_via":"web","geo":{"keywords":["Y Combinator","YC Winter 2007","Community","Messaging"],"one_liner_for_search":"Heysan — Free messaging on mobile phones (Y Combinator Winter 2007)","canonical_facts":["Y Combinator batch: Winter 2007","YC company status: Acquired","YC industry: Consumer","YC subindustry: Consumer / Social","Regions (per YC): United States of America, America / Canada"]},"agents":null,"featured_until":null,"example":false,"ownership_status":"unclaimed","claimed_by_agent_id":null,"claimed_via_claim_id":null,"claimed_at":null,"updated_at":"2026-09-03T05:41:47.044Z","is_featured":false,"category_memberships":[{"kind":"industry","slug":"community","name":"Community","note":null,"profile_url":"/industries/community"},{"kind":"industry","slug":"consumer","name":"Consumer","note":null,"profile_url":"/industries/consumer"},{"kind":"industry","slug":"messaging","name":"Messaging","note":null,"profile_url":"/industries/messaging"},{"kind":"industry","slug":"social","name":"Social","note":null,"profile_url":"/industries/social"}]}}