Yuki Matsukura works at Metaps Inc. as a SPIKE engineer and has experience with LINE Bot ops. The system components include a Mac mini with 8GB RAM and 1TB Fusion Drive for main storage, along with 2TB RAID5 array for additional storage and snapshots. The carrier is BFlets Mansion type and the ISP was originally Livedoor then switched to Qit and now Nifty, using Vectant for OEM services and a fixed IP address. Details were provided on setting up PayPal REST API, billing plans, agreements, and a BOT API trial account using nginx and Let's Encrypt on Ruby 2.3 with Sinatra and Redis. Steps in the sequence