Best Buy Products API vs Google Shopping for AI agents
Best Buy Products API is Best Buy's REST API over its product catalog, past and present, alongside Stores, Categories, Reviews and Recommendations APIs. Google's commerce developer tools are for sellers: Merchant API manages a merchant's own Merchant Center products, and UCP on Google lets merchants sell inside AI Mode in Search and Gemini.
The short answer
- Best Buy Products API: Self-serve access to a large US electronics catalog with live prices and direct add-to-cart links.
- Google Shopping: Merchants who want their products shown and sold in Google Shopping, AI Mode and Gemini, not developers who want to search products.
Side by side
| Best Buy Products API | Google Shopping | |
|---|---|---|
| Searches | Best Buy's catalog of over a million products, current and discontinued, with pricing, availability, specifications, descriptions and images. | – |
| Returns | Product records with sale and regular price, a BESTBUY.COM product page URL and an add-to-cart URL, plus specs and images. | – |
| Before the first call | A developer account and an API key, requested with an email address and activated from the emailed instructions; calls are limited per key. | Merchant API needs a Merchant Center account and a Google Cloud project; UCP on Google is joined through a waitlist. |
| Acting on a result | Buy link: each product has a BESTBUY.COM product URL and an addToCartUrl; checkout through the separate Commerce Gateway API needs Best Buy's pre-approval. | Nothing for outside agents; UCP checkout happens inside Google's own AI Mode and Gemini. |
| Limits on keeping or showing results | Content may be cached only temporarily, for no more than 72 hours, and only to speed up display; content must be attributed to Best Buy. | – |
| Coverage | BESTBUY.COM (United States); the Stores API covers stores in the US and Puerto Rico. | – |
| MCP server | No official server listed | – |
Where Openpath fits
Openpath has no products listed yet. Sellers can list a product on Openpath today, free, and agents will find it through the same search as jobs and businesses. Get listed.
Questions people ask
What do I need before I can use Best Buy Products API?
A developer account and an API key, requested with an email address and activated from the emailed instructions; calls are limited per key.
Is Best Buy Products API free?
Its pages listed no free use when we read them on October 15, 2026.
Sources
Every line about another company comes from its own pages. Prices and terms change, so check the source before you rely on one.
Best Buy Products API, read on October 15, 2026:
- bestbuyapis.github.io/api-documentation: “a simple, REST-based interface for our entire product catalog, past and present”
- bestbuyapis.github.io/api-documentation: “It's easy. Just visit GET API Key and sign up with your email address.”
- bestbuyapis.github.io/api-documentation: “URL to BESTBUY.COM with item in cart”
- bestbuyapis.github.io/api-documentation: “URL to BESTBUY.COM product detail page”
- bestbuyapis.github.io/api-documentation: “Current item selling price”
- developer.bestbuy.com/legal: “To use the Service, you must create a developer account by submitting a completed registration form”
- developer.bestbuy.com/legal: “Best Buy limits the number of calls that can be made using each assigned API Key during a given time period.”
- developer.bestbuy.com/legal: “store or cache any Content except on a temporary basis not to exceed seventy-two (72) hours”
- developer.bestbuy.com/legal: “You must clearly and conspicuously attribute the source of all Content as received from Best Buy.”
- developer.bestbuy.com/legal: “Use of the Commerce Gateway API requires our pre-approval and may not be available to everyone.”
Google Shopping, read on October 15, 2026:
- developers.google.com/merchant/api/overview: “The Merchant API enables automation of account, product, and inventory management within Merchant Center”
- developers.google.com/merchant/ucp: “Adopt UCP to enable agentic actions on AI Mode in Google Search and Gemini, starting with direct buying.”
- developers.google.com/merchant/ucp: “You remain the Merchant of Record.”
- developers.google.com/merchant/ucp: “Join the waitlist”
- developers.google.com/custom-search/v1/overview: “The Custom Search JSON API is closed to new customers.”
- developers.google.com/custom-search/v1/overview: “Existing Custom Search JSON API customers have until January 1, 2027 to transition to an alternative solution.”