Search tracked products, biggest price drops, and item price history from WalletWhistle.
fetchFetch a WalletWhistle item document by ID for deep research, including text content and metadata. When presenting the item to the user, prefer DisplayName as the clickable markdown title and preserve it verbatim unless the user explicitly asks for plain text.
idstringWalletWhistle item ID (from search results).
get_biggest_dropsReturn the largest currently tracked WalletWhistle price drops with optional merchant/category filters. In results, DisplayName is the user-facing markdown link for the product title and should be rendered verbatim as the clickable title unless the user explicitly asks for plain text.
categoryIdinteger/nullOptional category ID filter. Use null or 0 for all categories.
nulllimitintegerNumber of results to return, from 1 to 25.
10merchantIdinteger/nullOptional merchant ID filter. Use null or 0 for all merchants.
nullminDropPercentnumber/nullOptional minimum drop percentage filter.
nullget_item_price_historyReturn tracked price history for a single WalletWhistle item ID.
itemIdintegerWalletWhistle item ID.
limitintegerMaximum history points to return, from 1 to 120. Newest points are returned last.
60list_categoriesList tracked WalletWhistle categories with optional name search and pagination.
pageinteger1-based page number.
1pageSizeintegerNumber of results to return, from 1 to 100.
50parentCategoryIdinteger/nullOptional parent category ID filter. WalletWhistle categories are currently flat, so non-null values return no rows.
nullsearchstringOptional category name search.
nulllist_merchantsList tracked WalletWhistle merchants with optional name search and pagination.
pageinteger1-based page number.
1pageSizeintegerNumber of results to return, from 1 to 100.
50searchstringOptional merchant name search.
nullrender_price_history_graphRender the WalletWhistle price history graph for a single item ID in the ChatGPT app UI. Use after search, fetch, or get_item_price_history when the user wants a visual price trend.
itemIdintegerWalletWhistle item ID to render.
limitintegerMaximum history points to display, from 1 to 120.
60render_product_cardsRender WalletWhistle product cards in the ChatGPT app UI for specific item IDs. Use after search, search_products, get_biggest_drops, or fetch when you want a visual card view rather than data only.
itemIdsarrayWalletWhistle item IDs to display. Pass the final filtered set you want shown to the user.
titlestringOptional heading to show above the cards.
nullsearchDeep-research-compatible search using query syntax: 'keyword', 'biggest_drops', 'merchant:148 keyword', 'category:23 keyword'. For product/item results, DisplayName is the user-facing markdown link for the title and should be rendered verbatim as the clickable title unless the user explicitly asks for plain text.
querystringQuery string with optional operators: biggest_drops, merchant:<id>, category:<id>, followed by keyword.
search_productsSearch tracked WalletWhistle products by keyword with optional merchant/category filters, paging, sorting, and drop filtering. In results, DisplayName is the user-facing markdown link for the product title and should be rendered verbatim as the clickable title unless the user explicitly asks for plain text.
categoryIdinteger/nullOptional category ID filter. Use null or 0 for all categories.
nullkeywordstringOptional keywords to search for.
nullmerchantIdinteger/nullOptional merchant ID filter. Use null or 0 for all merchants.
nullminDropPercentnumber/nullOptional minimum drop percentage filter.
nullpageinteger1-based page number.
1pageSizeintegerNumber of results to return, from 1 to 25.
10sortBystringOptional sort: relevance, biggest_drop, newest_drop, price_low, price_high.
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