SoldStack
SoldStack is a cloud-based API (software as a service) for developers who build tools for online resellers. Customers pay a monthly subscription ($9, $29 or $79) for a set number of lookups. Each lookup returns recent sold prices for an item from public resale marketplace listings, along with statistics like the median price, how quickly items sold, and estimated seller payout after fees. The service is fully automated and delivered online; there are no physical goods.
SoldStack
SoldStack is a cloud-based API (software as a service) for developers who build tools for online resellers. Customers pay a monthly subscription ($9, $29 or $79) for a set number of lookups. Each lookup returns recent sold prices for an item from public resale marketplace listings, along with statistics like the median price, how quickly items sold, and estimated seller payout after fees. The service is fully automated and delivered online; there are no physical goods.
Ranked #7738 on TrustMRR
No active subscriptions
Aaron Tian
United StatesRevenue is verified with
Stripe API key.Last updated: Oct 5, 2026, 04:32 AM
Sold prices from resale marketplaces in one API call: only the sales that match your item, the median, how fast it sold, what the seller kept after fees, and whether it's worth buying.
eBay shut down its public sold-items API in February 2025, and the replacement isn't open to new developers. Every other marketplace hides sold data in a different page format.
Audience
Developers building resale tools
Pricing
Free: $0/mo, Starter: $9/mo, Growth: $29/mo, Scale: $79/mo
Domain Rating
soldstack.fly.dev
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Market
Tech stack
Backend
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soldstack.fly.devProduct updates
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