Build the marketplace.
Keep the rewards forever.
Synthosy is opening to its first 50 sellers. Join now and lock in founding perks that no one after you will ever get — free promotion for life, half-price Pro, and a badge that says you were here first.
5 of 50 founding sellers joined
Free to join · No listing fees · Just complete Stripe onboarding to lock in your spot
Founding perks are subject to our Seller Terms.
What founding sellers get
Founding Seller badge
A permanent badge on your store and every listing, marking you as one of the first to build on Synthosy. Buyers see it everywhere your work appears.
Free promoted listings — for life
Promote any listing to the top of its category at no cost, forever. The 4% promotion fee is waived permanently on your account — a perk no later seller will get.
Half-price Pro for 12 months
Unlock Pro Seller tools — bundles, discount codes, advanced analytics — at 50% off for your first year. Lock in the lowest price Synthosy will ever offer.
How to claim your spot
Create your seller account
Sign up free — no listing fees, ever.
Complete Stripe onboarding
Connect your payout account so you can get paid. This is what locks in your founding spot — one of the first 50 to finish onboarding secures it.
List your work
Your founding perks are active immediately — promote listings free and enjoy half-price Pro.
45 spots remaining