One step checkout or One page checkout is a process to combine all steps involved in a checkout process to a single page. Popular CMS like Bigcommerce, Magento, Joomla, WordPress, etc offering this service for high conversion rate of visitors to customer. Some includes it in the main package and some as paid extension. Its basically the necessity now a days because people have less time to spend on the process. Once they like any product they do desire to go to a process which is not complex and this ultimately effect your sales.
We Offer you this service for Bigcommerce One Step Checkout please have a look below.