I built an unofficial Whatsapp message (only outbound) service for indie sellers/marketers who have small scale (daily under 50 messages to send) & might not have bandwidth to spend time onboarding to official Whatsapp Business API. A friend pointed me to his Calendly calendar & asked me if I ca...
Source: [Hacker News](https://news.ycombinator.com/item?id=49430145)