Simple Connect API Simple Connect API - Documentation The following information describes how to utilize Sovos Simple Connect API – Accounts Receivable (AR) and Accounts Payable (AP). Getting Started Learn how to easily connect to the Simple Connect APIs. Content Quickstart GuideAuthenticationBasic Authentication Code SamplesHMAC Authentication Code SamplesDownload Postman Collection Accounts Receivable (AR) View detail on each endpoint of the API and understand how to call them with common AR workflows. Content Create TransactionsError CodesBusiness-to-Customer Order ProcessBusiness-to-Business Order ProcessBusiness-to-Customer Order Process (Fewer Calls)Business-to-Business Sample Mid-Market ERP ProcessCommit Data for Filing (Reverse Calculation) Accounts Payable (AP) View detail on each endpoint to help enhance your AP processes. Content Evaluate TransactionsError Codes