--- title: Learn SAP from the Experts | The SAP PRESS Blog | Harikrishna Kundariya description: Harikrishna Kundariya is a marketer; developer; IoT, chatbot and blockchain savvy; designer; co-founder; and director of eSparkBiz Technologies. He has 10+ years of experience, which enables him to provide digital solutions to new startups based on web application development. --- [![rheinwerk-sappress-logo-header-1](https://blog.sap-press.com/hubfs/rheinwerk-sappress-logo-header-1.svg)](https://blog.sap-press.com/) [Blog](https://blog.sap-press.com) - Books - Get an overview of our books and courses on every relevant SAP topic. - [Programming](https://sap-press.com/programming/) - [Administration](https://sap-press.com/administration/) - [BI](https://sap-press.com/business-intelligence/) - [Finance](https://sap-press.com/finance-controlling/) - [Logistics](https://sap-press.com/logistics/) - [HR](https://sap-press.com/human-resources/) - [CRM & Sales](https://sap-press.com/marketing-sales/) - [HANA](https://sap-press.com/hana/) - [Introductions](https://sap-press.com/introductions/) - [E-Bites](https://sap-press.com/e-bites/) - [Certification Guides](https://www.sap-press.com/certification-guides/) - [Rheinwerk Courses](https://www.sap-press.com/online-courses/) - Book Subscription - Get unlimited access to all SAP PRESS books! - [SAP PRESS Subscription](https://sap-press.com/subscriptions/) ![](https://blog.sap-press.com/hs-fs/hubfs/Exploring%20the%20Architecture%20of%20the%20SAP%20Digital%20Payments%20Add-On.jpg?width=1000&name=Exploring%20the%20Architecture%20of%20the%20SAP%20Digital%20Payments%20Add-On.jpg) [FICO](https://blog.sap-press.com/tag/fico) | Featured article ## [Exploring the Architecture of the SAP Digital Payments Add-On](https://blog.sap-press.com/exploring-the-architecture-of-the-sap-digital-payments-add-on) The SAP digital payments add-on is a cloud-based middleware component hosted on SAP BTP. ![SAP PRESS](https://blog.sap-press.com/hubfs/Twitter_profile_pic.svg) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) [Read More](https://blog.sap-press.com/exploring-the-architecture-of-the-sap-digital-payments-add-on) ![Harikrishna Kundariya](https://blog.sap-press.com/hubfs/Harikirshna%20Kundariya.jpg) **Harikrishna Kundariya** Harikrishna Kundariya is a marketer; developer; IoT, chatbot and blockchain savvy; designer; co-founder; and director of eSparkBiz Technologies. He has 10+ years of experience, which enables him to provide digital solutions to new startups based on web application development. # Blogs by Harikrishna Kundariya ### SAP Blog Topics - [All SAP Topics](https://blog.sap-press.com) - [Logistics](https://blog.sap-press.com/tag/logistics) - [Programming](https://blog.sap-press.com/tag/programming) - [FICO](https://blog.sap-press.com/tag/fico) - [Administration](https://blog.sap-press.com/tag/administration) - [Featured](https://blog.sap-press.com/tag/featured) - [Business Intelligence](https://blog.sap-press.com/tag/business-intelligence) - [What Is?](https://blog.sap-press.com/tag/what-is) - [CRM & Sales](https://blog.sap-press.com/tag/crm-sales) - [Video](https://blog.sap-press.com/tag/video) - [Human Resources](https://blog.sap-press.com/tag/human-resources) **Subscribe to our blog!**Get notified about future blog updates. - - - - - ### Most Popular Blog Posts 1. 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[Logistics](https://blog.sap-press.com/tag/logistics) [Batch Determination and Batch Check in SAP S/4HANA](https://blog.sap-press.com/batch-determination-and-batch-check-in-sap-s4hana) by [SAP PRESS](https://blog.sap-press.com/author/sap-press) **Subscribe to our blog!**Get notified about future blog updates. - - - - - ### The official SAP PRESS Blog As the world’s leading SAP publisher, SAP PRESS’ goal is to create resources that will help you accelerate your SAP journey. The SAP PRESS Blog is designed to provide helpful, actionable information on a variety of SAP topics, from SAP ERP to SAP S/4HANA. 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