diff --git a/src/facebook.ts b/src/facebook.ts
index 1ee545d..50c67e4 100644
--- a/src/facebook.ts
+++ b/src/facebook.ts
@@ -68,6 +68,112 @@ interface FacebookRequireData {
 	[k: string]: unknown;
 }
 
+interface FacebookMarketplaceItem {
+	// Basic identification
+	id: string;
+	__typename: "GroupCommerceProductItem";
+
+	// Listing content
+	marketplace_listing_title: string;
+	redacted_description?: {
+		text: string;
+	};
+	custom_title?: string;
+
+	// Pricing
+	formatted_price?: {
+		text: string;
+	};
+	listing_price?: {
+		amount: string;
+		currency: string;
+		amount_with_offset: string;
+	};
+
+	// Location
+	location_text?: {
+		text: string;
+	};
+	location?: {
+		latitude: number;
+		longitude: number;
+		reverse_geocode_detailed?: {
+			country_alpha_two: string;
+			postal_code_trimmed: string;
+		};
+	};
+
+	// Status flags
+	is_live?: boolean;
+	is_sold?: boolean;
+	is_pending?: boolean;
+	is_hidden?: boolean;
+	is_draft?: boolean;
+
+	// Timing
+	creation_time?: number;
+
+	// Seller information
+	marketplace_listing_seller?: {
+		__typename: "User";
+		id: string;
+		name: string;
+		profile_picture?: {
+			uri: string;
+		};
+		join_time?: number;
+	};
+
+	// Vehicle-specific fields (for automotive listings)
+	vehicle_make_display_name?: string;
+	vehicle_model_display_name?: string;
+	vehicle_odometer_data?: {
+		unit: "KILOMETERS" | "MILES";
+		value: number;
+	};
+	vehicle_transmission_type?: "AUTOMATIC" | "MANUAL";
+	vehicle_exterior_color?: string;
+	vehicle_interior_color?: string;
+	vehicle_condition?: "EXCELLENT" | "GOOD" | "FAIR" | "POOR";
+	vehicle_fuel_type?: string;
+	vehicle_trim_display_name?: string;
+
+	// Category and commerce
+	marketplace_listing_category_id?: string;
+	condition?: string;
+
+	// Commerce features
+	delivery_types?: string[];
+	is_shipping_offered?: boolean;
+	is_buy_now_enabled?: boolean;
+	can_buyer_make_checkout_offer?: boolean;
+
+	// Communication
+	messaging_enabled?: boolean;
+	first_message_suggested_value?: string;
+
+	// Metadata
+	logging_id?: string;
+	reportable_ent_id?: string;
+
+	// Related listings (for part-out sellers)
+	marketplace_listing_sets?: {
+		edges: Array<{
+			node: {
+				canonical_listing: {
+					id: string;
+					marketplace_listing_title: string;
+					is_live: boolean;
+					is_sold: boolean;
+					formatted_price: { text: string };
+				};
+			};
+		}>;
+	};
+
+	[k: string]: unknown;
+}
+
 type ListingDetails = {
 	url: string;
 	title: string;