eBay 搜索 | Apinoa

GET|POST /v1/ebay/search

Price $0.001 per call. List price; the rate steps down above 1,000 calls a day.

Parameter	Type	Required	Notes
`query`	string	yes	Keywords to search for. Required here: eBay's keyword search cannot be asked anything without words — to list a category with no keyword, use `browse`.
`brands`	string list		Brand names as the marketplace spells them, e.g. brands=Nike,Adidas.
`categoryId`	string		Narrow to one category, by the marketplace's own id. Opaque and per-marketplace; take it from Product.category[].id or from a result's `facets`.
`condition`	enum		Item condition. `new` `used` `refurbished`
`facets`	string \| object list		Narrowings taken from a result's `facets`, e.g. facets=Color:Black. The escape hatch for filters the typed vocabulary has no word for; prefer a typed parameter where one exists.
`freeShipping`	boolean \| enum		Only listings the marketplace itself advertises as shipping free.
`page`	integer		1-based page number. eBay pages by number, so there is no `cursor`; each page is charged separately.
`pageSize`	integer		Results per page: 60, 120 or 240 only, the three page sizes eBay offers. Larger pages take longer to return (about 5 s for 240 items), but a page of any size costs one call.
`priceMax`	number ≥ 0		Highest price to return, in decimal major units.
`priceMin`	number ≥ 0		Lowest price to return, in decimal major units.
`region`	string		Buyer country as ISO 3166-1 alpha-2; sets availability, shipping and price.
`sort`	enum		Result ordering. `price_asc`/`price_desc` are eBay's price-plus-shipping sorts rather than its bare-price ones, and `ending_soonest` orders by auction close. `best_match` `ending_soonest` `newly_listed` `price_asc` `price_desc`

curl "https://gateway.apinoa.com/v1/ebay/search?query=running+shoes&brands=Nike&condition=new&freeShipping=true&sort=price_asc" \
  -H "x-api-key: YOUR_API_KEY"

pageSize 会在服务端归入三档（25/50/60 → 60，100/120 → 120，200/240 → 240），因此只接受这三个值；接受其他值就等于收下它再忽略它。

更大的页数耗时更长（240 条约 5 秒），但仍只计一次调用。

没有 cursor——翻页按页码进行。没有 ratingMin——eBay 的结果不提供评分筛选。没有 inStock ——买不到的商品本来就不会被列出。

没有 currency。 币种随 region 而定。接受一个我们无法兑现的币种，比直接拒绝更糟。