SellersCalc Fee Data
FreeLiveLast verified 24 Sept 2026
US seller-fee schedules (percentages, fixed charges) for 21 marketplaces and payment processors.
Example request
curl -s 'https://www.sellerscalc.com/data/fees/etsy.json'
Free tier, in plain English
Fully free, keyless static JSON files with no stated rate limit; CORS is enabled for any origin.
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