Returns the reward stores of an application. Reads are public, so no producer token is needed. Stores in every state (draft, published and unpublished) are returned, and only deleted stores are left out. Results are paginated, and each result is a store in the same shape as Retrieve Reward Store.

Query parameters, all optional:

• state: draft, published or unpublished.
• reward_item_id: only stores that use this reward item.
• attributes: key:value, for example attributes=season:2026. Repeat the parameter to AND the pairs.
• ordering: a field name, with a minus prefix for descending order.
• page and page_size: pagination. The default page size is 20.