The Merchant Inventories API is a sub-API of Merchant API. You can use the Merchant Inventories API to showcase products with local (in-store) or regional availability without charge on Google.
If you're a third-party provider, you can use the Merchant Inventories API to build an interface for your merchants to manage where their products are available.
You can use the Merchant Inventories API for the following tasks:
Showcase local products on Google.
Showcase regional online products on Google.
Resources
The Merchant Inventories API includes the following resources:
LocalInventory
for in-store productsRegionalInventory
for regional online products
For more information, see Reference documentation.