API archive entry · source-reported
Marketplace Fee Data
Seller fee schedules for 21 e-commerce marketplaces and payment processors as JSON
Other Shopping APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
VantaSpec
UK PC hardware prices, price history and specs across UK retailers
No auth · HTTPS reported · CORS Yes
ARC
Open data on whether AI shopping agents can reach checkout at specific online stores
No auth · HTTPS reported · CORS Yes
Nuvinty
UK luxury list prices, price history, increases and partner pre-owned asking prices
No auth · HTTPS reported · CORS Yes
BirkinBagStock
Independent Hermès resale index: inventory, market prices, auction calendar and results
No auth · HTTPS reported · CORS Yes
OneFindMe
Search AliExpress in any language: price, rating and orders for the delivery country
No auth · HTTPS reported · CORS Yes
Profitvana
Seller fees for 31 marketplaces and payment processors, verified monthly
No auth · HTTPS reported · CORS Yes
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.