
A failed food app emptied his savings. A hotel pitch went nowhere. Henson Tsai kept the two engineers, changed the customer in a day, and built SleekFlow by treating rejection as data.

The Singapore- and Hong Kong-based conversational commerce startup turned WhatsApp threads into a checkout counter. Now, backed by Tiger Global and Atinum, it is betting AI agents can sell and support in the same breath the incumbents keep separate.

A Singapore-based startup bet that customers would rather buy over WhatsApp than fill out a web form. Five years and 5,000 businesses later, that bet is paying off across Asia and the Gulf.
Two customer-chat platforms, two opposite bets. One sells AI that turns conversations into sales; the other gives live chat away to millions of businesses and charges a dollar an hour for help.