Best Shopping APIs in 2026

The top 15 of 28 free Shopping APIs, ranked by how easy they are to start with (API key, HTTPS, CORS), how reliable they are in our daily health checks, and what developers rate them. BirkinBagStock API takes the top spot.

Last tested Oct 24, 2026 · Rankings update daily

1
BirkinBagStock API
Online · 1011 ms
Independent Hermès resale index: inventory, market prices, auction calendar and results.
- No API key needed
- Returns JSON at its URL
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
2
ARC API
Online · 661 ms
Open data on whether AI shopping agents can reach checkout at specific online stores.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
3
Marketplace Fee Data API
Online · 806 ms
Seller fee schedules for 21 e-commerce marketplaces and payment processors as JSON.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
4
Nuvinty API
Online · 977 ms
UK luxury list prices, price history, increases and partner pre-owned asking prices.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
5
OneFindMe API
Online · 1176 ms
Search AliExpress in any language: price, rating and orders for the delivery country.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
6
Profitvana API
Online · 1297 ms
Seller fees for 31 marketplaces and payment processors, verified monthly.
- No API key needed
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
7
Best Buy API
Online · 385 ms
Products, Buying Options, Categories, Recommendations, Stores and Commerce.
- Fast: 385 ms response
- HTTPS
apiKeyHTTPSCORS ?
8
WooCommerce API
Online · 1548 ms
WooCommerce REST APIS to create, read, update, and delete data on wordpress website in JSON format.
- Callable from the browser (CORS)
- HTTPS
apiKeyHTTPSCORS
9
BuyWhere API
Online · 797 ms
Real-time product catalog API for AI agents across merchants in 7 countries (SG, MY, TH, VN, PH, ID, US).
- HTTPS
apiKeyHTTPSCORS ?
10
CartScout API
Online · 499 ms
Price, stock, variants and GTIN from Shopify, WooCommerce, Walmart and eBay product pages.
- HTTPS
apiKeyHTTPSCORS ?
11
Digi-Key API
Online · 146 ms
Retrieve price and inventory of electronic components as well as place orders.
- Fast: 146 ms response
- HTTPS
OAuthHTTPSCORS ?
12
Descripio Amazon Reviews API
Online · 2619 ms
Amazon product reviews for 12 marketplaces.
- HTTPS
apiKeyHTTPSCORS ?
13
Lazada API
Online · 1666 ms
Retrieve product ratings and seller performance metrics.
- HTTPS
apiKeyHTTPSCORS ?
14
Mercadolibre API
Online · 2014 ms
Manage sales, ads, products, services and Shops.
- HTTPS
apiKeyHTTPSCORS ?
15
OLX Poland API
Online · 1186 ms
Integrate with local sites by posting, managing adverts and communicating with OLX users.
- HTTPS
apiKeyHTTPSCORS ?

Shopping APIs compared

Top Shopping APIs compared
API	API key	HTTPS	CORS	Uptime	Response	Rating
BirkinBagStock	No	Yes	Yes	Up	1011 ms	Not rated
ARC	No	Yes	Yes	Up	661 ms	Not rated
Marketplace Fee Data	No	Yes	Yes	Up	806 ms	Not rated
Nuvinty	No	Yes	Yes	Up	977 ms	Not rated
OneFindMe	No	Yes	Yes	Up	1176 ms	Not rated
Profitvana	No	Yes	Yes	Up	1297 ms	Not rated
Best Buy	Required	Yes	Unknown	Up	385 ms	Not rated
WooCommerce	Required	Yes	Yes	Up	1548 ms	Not rated
BuyWhere	Required	Yes	Unknown	Up	797 ms	Not rated
CartScout	Required	Yes	Unknown	Up	499 ms	Not rated

More Shopping APIs

Best Shopping API FAQ

What is the best free Shopping API in 2026?

Based on access, reliability and developer ratings, the top free Shopping APIs right now are BirkinBagStock API, ARC API and Marketplace Fee Data API. BirkinBagStock API ranks first. Rankings update daily from health checks of all 28 Shopping APIs in the directory.

What is the best Shopping API without an API key?

BirkinBagStock API, ARC API and Marketplace Fee Data API need no API key, so you can call them without signing up. 6 of the 28 ranked Shopping APIs are keyless.

Which Shopping API works from the browser?

BirkinBagStock API, ARC API and Marketplace Fee Data API support CORS over HTTPS, so front-end JavaScript can call them directly without a proxy.

How are these APIs ranked?

Each API gets a score from: no API key (+), HTTPS (+), CORS support (+), 30-day uptime and response time from our daily health checks, and ratings from developers on this site. APIs that failed three checks in a row are left out until they recover.