diff --git a/C_BlackMarket.lua b/C_BlackMarket.lua
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--- /dev/null
+++ b/C_BlackMarket.lua
@@ -0,0 +1,102 @@
+---@diagnostic disable: missing-return, lowercase-global
+---@meta
+
+---@class C_BlackMarket
+C_BlackMarket = {
+	--- Closes the Black Market window.
+	--- Triggers events
+	--- - BLACK_MARKET_CLOSE
+	--- Details
+	--- - While the black market UI is considered open, the server may notify the client about black market auction updates.
+	--- - This function is called by FrameXML when the player manually closes the Black Market window.
+	Close = function() end,
+
+	---@alias itemType
+	---| "Quest"
+	---| "Mail"
+	---| "Companion Pet"
+
+	--- Returns information about the current "hot item" at the Black Market Auction House.
+	--- @return string name item name; nil if no such auction exists
+	--- @return string texture icon texture path
+	--- @return number quantity amount of the item included in the auction
+	--- @return itemType itemType
+	--- @return boolean usable
+	--- @return number level item level requirement
+	--- @return string levelType
+	--- @return string sellerName localized name of the NPC "selling" the item
+	--- @return number minBid minimum amount of copper you can bid for this item
+	--- @return number minIncrement minimum amount of copper you can increase your bid by
+	--- @return number currBid the maximum current bid in copper
+	--- @return boolean youHaveHighBid true if your bid on this item is currently the highest bid, false otherwise
+	--- @return number numBids number of bids on this item
+	--- @return number timeLeft token indicating remaining auction duration, 0 for completed auctions, larger values indicate larger remaining durations, for a localized text version use _G["AUCTION_TIME_LEFT" .. timeLeft]
+	--- @return string link chat link of the item being auctioned
+	--- @return number marketID black market auction ID of this auction
+	--- @return number quality
+	GetHotItem = function() end,
+
+	--- Returns info for a Black Market auction.
+	--- You can use `GetHotItem` to retrieve information about a "Hot Item!" auction picked by the server,
+	--- `GetItemInfoByIndex` to iterate through all auctions, and `GetItemInfoByID` to retrieve information
+	--- about specific auctions. These three functions have identical return values.
+	--- @param marketID number - black market auction ID.
+	--- @return string name - item name; nil if no such auction exists.
+	--- @return string texture - icon texture path.
+	--- @return number quantity - amount of the item included in the auction.
+	--- @return itemType itemType - item type, e.g. "Quest", "Mail", or "Companion Pet".
+	--- @return boolean usable
+	--- @return number level - item level requirement.
+	--- @return string levelType - e.g. "REQ_LEVEL_ABBR".
+	--- @return string sellerName - localized name of the NPC "selling" the item.
+	--- @return number minBid - minimum amount of copper you can bid for this item.
+	--- @return number minIncrement - minimum amount of copper you must increase the current bid by.
+	--- @return number currBid - the maximum current bid in copper.
+	--- @return boolean youHaveHighBid - true if your bid on this item is currently the highest bid, false otherwise.
+	--- @return number numBids - number of bids made on this item.
+	--- @return number timeLeft - token indicating remaining auction duration, 0 for completed auctions, larger values indicate larger remaining durations. For a localized text version, use _G["AUCTION_TIME_LEFT" .. timeLeft].
+	--- @return string link - chat link of the item being auctioned.
+	--- @return number marketID - black market auction ID of this auction.
+	--- @return number quality
+	GetItemInfoByID = function(marketID) end,
+
+	--- Returns info for a Black Market auction.
+	--- You can use `GetHotItem` to retrieve information about a "Hot Item!" auction picked by the server,
+	--- `GetItemInfoByIndex` to iterate through all auctions, and `GetItemInfoByID` to retrieve information
+	--- about specific auctions. These three functions have identical return values.
+	--- @param index number - black market auction index, ascending from 1 to C_BlackMarket.GetNumItems()
+	--- @return string name - item name; nil if no such auction exists.
+	--- @return string texture - icon texture path.
+	--- @return number quantity - amount of the item included in the auction.
+	--- @return itemType itemType - item type, e.g. "Quest", "Mail", or "Companion Pet".
+	--- @return boolean usable
+	--- @return number level - item level requirement.
+	--- @return string levelType - e.g. "REQ_LEVEL_ABBR".
+	--- @return string sellerName - localized name of the NPC "selling" the item.
+	--- @return number minBid - minimum amount of copper you can bid for this item.
+	--- @return number minIncrement - minimum amount of copper you must increase the current bid by.
+	--- @return number currBid - the maximum current bid in copper.
+	--- @return boolean youHaveHighBid - true if your bid on this item is currently the highest bid, false otherwise.
+	--- @return number numBids - number of bids made on this item.
+	--- @return number timeLeft - token indicating remaining auction duration, 0 for completed auctions, larger values indicate larger remaining durations. For a localized text version, use _G["AUCTION_TIME_LEFT" .. timeLeft].
+	--- @return string link - chat link of the item being auctioned.
+	--- @return number marketID - black market auction ID of this auction.
+	--- @return number quality
+	GetItemInfoByIndex = function(index) end,
+
+	--- Returns the number of auctions on the Black Market Auction House.
+	--- @return number numItems
+	GetNumItems = function() end,
+
+	--- Returns if the view is read-only.
+	--- @return boolean viewOnly
+	IsViewOnly = function() end,
+
+	--- Places a bid on a black market auction.
+	--- @param marketID number - black market auction ID (not line index!) to bid on
+	--- @param bid number - bid amount, in copper
+	ItemPlaceBid = function(marketID, bid) end,
+
+	--- Requests updated black market auction information from the server.
+	RequestItems = function() end,
+}