Fitting all the the moving parts of a fragmented transaction process into a single choo-choo train to closing has long been the aspiration of real estate tech entrepreneurs. RadPad may have just delivered — to renters, at least. Thanks to new integration with DocuSign, consumers can now use the rental site to find and apply for listings, sign leases and make payments throughout their tenancy. The changes The site recently began allowing landlords to upload or create their own leases for renters to sign through RadPad. The feature “close the loop on end-to-end apartment rental transactions,” said RadPad co-founder Kyle Austin in a statement. Screen shot of sample RadPad digital lease. Consumers could already use RadPad to submit applications with automatically f…