> ## Documentation Index > Fetch the complete documentation index at: https://skulabs.mintlify.site/llms.txt > Use this file to discover all available pages before exploring further. # Inventory - Get Item Free > Retrieve the available (free) inventory quantity for an item, excluding reserved stock. ## OpenAPI ````yaml get /inventory/get_item_free openapi: 3.0.3 info: title: SKULabs API description: >- Most API keys have "platformGeneric" and "platformApi" scopes included. Contact us to convert more routes from "platformUser" (only available to users) to "platformGeneric" (available to users and api keys) upon request. version: 4.5.0 servers: - url: https://api.skulabs.com - url: https://app.skulabs.com/s security: [] tags: - name: batch - name: customer description: Manage customers, tags, and notes - name: cycle_count - name: distributor - name: inventory description: Query and modify inventory levels across locations - name: inventory_table - name: item description: Manage items, barcodes, serial numbers, and tags - name: kit description: Manage kits and their component items - name: listing - name: location - name: oauth - name: order description: Manage orders, shipments, tags, and statuses - name: purchase_order description: Manage purchase orders and receiving - name: run - name: shipments - name: shipping - name: store - name: tag description: Create, update, and remove tags - name: transfer_order - name: warehouse description: Manage warehouses and view statistics - name: webhook description: Manage webhook handlers paths: /inventory/get_item_free: get: tags: - inventory summary: Inventory - Get Item Free description: >- Retrieve the available (free) inventory quantity for an item, excluding reserved stock. operationId: get_inventory_get_item_free parameters: - name: sku in: query required: true schema: type: string description: Item SKU to look up free inventory for - name: warehouse_ids in: query required: false schema: type: array items: type: string description: Filter by warehouse IDs responses: '200': description: Free (available) inventory for the item content: application/json: schema: type: object properties: free: type: number description: Free inventory quantity (on_hand - reserved) on_hand: type: number description: Total on-hand quantity across locations reserved: type: number description: Total reserved quantity from open orders required: - free - on_hand - reserved '400': description: Bad request content: application/json: schema: type: object properties: error: type: object properties: message: type: string description: Detailed error message code: type: string description: Machine-readable error code overview: type: string description: Short human-friendly description statusCode: type: number description: HTTP status code origin: type: string description: Error source skulabsTraceId: type: string description: Trace ID for support type: type: string enum: - error - notice - success description: Error severity for UI handling user_error: type: boolean description: Whether the error was caused by user input display: type: string enum: - notification - panel description: Suggested UI display mode for the error required: - message - statusCode required: - error '401': description: Unauthorized content: application/json: schema: type: object properties: error: type: object properties: message: type: string description: Detailed error message code: type: string description: Machine-readable error code overview: type: string description: Short human-friendly description statusCode: type: number description: HTTP status code origin: type: string description: Error source skulabsTraceId: type: string description: Trace ID for support type: type: string enum: - error - notice - success description: Error severity for UI handling user_error: type: boolean description: Whether the error was caused by user input display: type: string enum: - notification - panel description: Suggested UI display mode for the error required: - message - statusCode required: - error '403': description: Forbidden. Insufficient permissions. content: application/json: schema: type: object properties: error: type: object properties: message: type: string description: Detailed error message code: type: string description: Machine-readable error code overview: type: string description: Short human-friendly description statusCode: type: number description: HTTP status code origin: type: string description: Error source skulabsTraceId: type: string description: Trace ID for support type: type: string enum: - error - notice - success description: Error severity for UI handling user_error: type: boolean description: Whether the error was caused by user input display: type: string enum: - notification - panel description: Suggested UI display mode for the error required: - message - statusCode required: - error '429': description: Too many requests. Rate limit exceeded. content: application/json: schema: type: object properties: error: type: object properties: message: type: string description: Detailed error message code: type: string description: Machine-readable error code overview: type: string description: Short human-friendly description statusCode: type: number description: HTTP status code origin: type: string description: Error source skulabsTraceId: type: string description: Trace ID for support type: type: string enum: - error - notice - success description: Error severity for UI handling user_error: type: boolean description: Whether the error was caused by user input display: type: string enum: - notification - panel description: Suggested UI display mode for the error required: - message - statusCode required: - error '500': description: Internal server error. content: application/json: schema: type: object properties: error: type: object properties: message: type: string description: Detailed error message code: type: string description: Machine-readable error code overview: type: string description: Short human-friendly description statusCode: type: number description: HTTP status code origin: type: string description: Error source skulabsTraceId: type: string description: Trace ID for support type: type: string enum: - error - notice - success description: Error severity for UI handling user_error: type: boolean description: Whether the error was caused by user input display: type: string enum: - notification - panel description: Suggested UI display mode for the error required: - message - statusCode required: - error security: - SKULabsToken: [] servers: - url: https://api.skulabs.com components: securitySchemes: SKULabsToken: type: http scheme: bearer bearerFormat: JWT ````