Looking for someone with experience sourcing large-scale Amazon/eBay product datasets
Does anyone know how companies like Tiendamia, Ubuy, etc. obtain or build large product catalogs from Amazon, eBay, and other retailers?
We’re specifically looking for structured product data at scale, including things like:
Product title / description
UPC / EAN / GTIN / ASIN
Brand / model
Product dimensions
Item weight and, ideally, packaged/shipping weight
Images
Variants
Categories
Pricing / availability where possible
Historical or continuously updated data
The biggest issue we’re trying to solve is weight accuracy. Amazon data is generally usable, but eBay is much messier because individual sellers enter their own product information, and weights/dimensions can be missing or completely inaccurate.
We’re interested in knowing what legitimate sources exist for this kind of data — commercial datasets, data providers, APIs, retailer feeds, catalogs, or ways companies build their own datasets at scale.
If you’ve worked on e-commerce data ingestion, product catalogs, Amazon/eBay datasets, product matching, or shipping-weight estimation, I’d love to hear how you approached it.
Especially interested in sources that can provide millions of products rather than an API where we have to query products one-by-one.
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