This document provides information about the Data Portability & Services Incubator (DAPSI) Open Call #1 webinar. It includes an introduction and sections on what DAPSI is, data portability challenges, how to apply, and Q&A. DAPSI is an EU-funded project that aims to support researchers, SMEs and startups working on data portability through funding, coaching and mentoring. The webinar guides potential applicants on challenges around data interoperability, security & privacy when transferring data between services and how to submit proposals for the first open call for funding.