WeLinkInBio (welinkinbio.site) combines a customizable bilingual link-in-bio page (fa-IR & en-GB) with a full-stack session commerce engine. Tutors, psychologists, coaches, and mentors can share unlimited links and sell 1-on-1 consultations, group webinars (2–500 attendees), and multi-session packages. Includes 30-second no-signup buyer checkout, 24h post-session escrow, automated 24h/1h SMS reminders, a free host Telegram bot, and $0/month subscription.