Wikipedia
Swappa
Swappa is an eCommerce company developed and founded in 2010 for the facilitation of sales of new and gently used mobile devices such as cell phones, tablets, and wearable technology. Swappa's primary function is to serve as an alternative to other internet based marketplaces such as Craigslist and eBay. Swappa attempts to differentiate its marketplace with a focus on staff approval-based security measures designed to prevent fraudulent activity. Swappa is headquartered in Kansas City, Missouri with operations around the globe.