ARC API alternatives

Open data on whether AI shopping agents can reach checkout at specific online stores. If it doesn't fit your project, here are the 10 best free Shopping APIs to use instead in 2026, out of 27 in the directory.

For reference, ARC API: No API key needed · Callable from the browser (CORS) · HTTPS.

1. 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. 2

   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
3. 3

   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
4. 4

   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
5. 5

   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
6. 6

   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
7. 7

   Best Buy API

   Online · 385 ms

   Products, Buying Options, Categories, Recommendations, Stores and Commerce.

   • Fast: 385 ms response
   • HTTPS

   apiKeyHTTPSCORS ?
8. 8

   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 ?
9. 9

   CartScout API

   Online · 499 ms

   Price, stock, variants and GTIN from Shopify, WooCommerce, Walmart and eBay product pages.

   • HTTPS

   apiKeyHTTPSCORS ?
10. 10

    Digi-Key API

    Online · 146 ms

    Retrieve price and inventory of electronic components as well as place orders.

    • Fast: 146 ms response
    • HTTPS

    OAuthHTTPSCORS ?

ARC API vs alternatives

ARC API compared with its alternatives

API	API key	HTTPS	CORS	Uptime	Response	Rating
ARC	No	Yes	Yes	Up	661 ms	Not rated
BirkinBagStock	No	Yes	Yes	Up	1011 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
WooCommerce	Required	Yes	Yes	Up	1548 ms	Not rated
Best Buy	Required	Yes	Unknown	Up	385 ms	Not rated
BuyWhere	Required	Yes	Unknown	Up	797 ms	Not rated

See also: best Shopping APIs · all Shopping APIs