ChannelAdvisor is making its online auction and sales applications available to customers.

ChannelAdvisor and Overstock announced their partnership on Friday. ChannelAdvisor is also a major partner for services with eBay and works with other firms such as Amazon, and Shopzilla.

“ChannelAdvisor customers are now able to post auction items to Auctions through the ChannelAdvisor platform,” a company spokesperson told Local Tech Wire. “ChannelAdvisor and will continue to work together throughout the year to offer additional special offers to their respective customers.”

Scott Wingo, chief executive officer of ChannelAdvisor, said the alliance is in part the result of growing demand by his firm’s customer base.

“Our customers are demanding alternate channels and we are happy to be able to provide them a complete array of online marketplaces that meets their current and future business needs,” he said in a statement.