WSI AVS/3 Documentation of the AVS/3 Webservice API for Realtime and Batch. Introduction Objects and Methods ServiceInfoAvs3 SubscriptionOrder Business Partner Business Partner Search Customer Contact Questionnaire MessageMgnt PaymentDetails Integration MasterData Appendix Messages in case of error Batch Interface Codes This website uses cookies for visitor traffic analysis. By using the website, you agree with storing the cookies on your computer.OKMore information