Microsoft Exchange API Startups

SalesWise, a business relationship intelligence SaaS platform founded in 2015, pulls data from Salesforce, Gmail, and Exchange to give sales leaders granular visibility into every relationship. Priced by company size from $500 to $2,500 per month, it had over a dozen customers and was adding one or two a week at the time of the interview, implying roughly $12,000 in monthly revenue. Founder Greg Freistat bootstrapped the first six to eight months with about $500K of his own money and had raised about $3 million in total.