Microsoft's own site 1 is a consumer storefront for Microsoft products, not a search API, so it is not the Marketplace Search API you need. The Azure Marketplace search operation is reached through the Microsoft.Marketplace REST API, whose action record lists a search call for private store catalog offers 2.
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Microsoft.Marketplace REST API (Search_PostArm)microsoft.comverified and signed
Azure Marketplace REST operation Search_PostArm returns a list of Azure private store marketplace catalog offers with total count and facets 2.
for agents: Search_PostArm · Operations_List
Sources
- 1Microsoft – AI, Cloud, Productivity, Computing, Gaming & Appsmicrosoft.com · read 2026-10-29
- 2Microsoft Marketplace Search API: declares "Search_PostArm" (the record we read and signed)unfragile.ai · read 2026-10-24
For agents: the 10 actions behind this answer
Search_PostArm · Microsoft Marketplace Search API verified and signed
Returns a list of azure private store marketplace catalog offers and total count and facets
Operations_List · Microsoft Marketplace Catalog Browse API verified and signed
Lists all of the available Microsoft.Marketplace REST API operations.
ProductList_ListByBillingAccount · Microsoft.Marketplace management service verified and signed
Lists products for billing account.
Operations_List · Marketplace RP Service verified and signed
Lists all of the available Microsoft.Marketplace REST API operations.
OpenAPI · Microsoft.OpenApi verified and signed
Operations_List · MarketplaceOrdering.Agreements verified and signed
Lists all of the available Microsoft.MarketplaceOrdering REST API operations.
Search · Search verified and signed
Serves a user experience with search and filter results on Marketplace public products.
ListProducts · Products verified and signed
Retrieves a list of products available in the marketplace catalog
Skus_ListByBillingAccount · Microsoft.Marketplace SKU management service verified and signed
Lists SKUs for billing account.
Offers_Get · EdgeMarketplaceClient verified and signed
Get a Offer
Labels are the instruments' verdict and are never changed by ranking. Agents and robots get this same answer as JSON at /api/v1/find?q=…&answer=1 and through the MCP server.