> ## Documentation Index > Fetch the complete documentation index at: https://docs.autoprintfarm.com/llms.txt > Use this file to discover all available pages before exploring further. # Update finished-good metadata > Updates `image_url`, `assembly_status`, and `is_active`. Pricing fields (`unit_price`, `extra_cost`, `profit_margin`) are not modifiable via the public API. Use `PUT /inventory/{id}/threshold` to change the alert threshold and `POST /inventory/{id}/adjust` to change stock. ## OpenAPI ````yaml /api-reference/openapi.json patch /inventory/{id} openapi: 3.1.0 info: title: AutoPrintFarm Public API version: 1.0.0 description: >- Public API for AutoPrintFarm — read + write surface for printers, jobs, inventory, orders, SKUs, files, worklist, and assembly. Authorization uses three scopes: `read` (any list/get), `write` (data mutations — create, update, delete, uploads, fulfillment), and `control` (physical printer actions: start, pause, resume, stop, heaters, light, filament). Authenticate with an API key minted from Settings → API Keys in the AutoPrintFarm dashboard. contact: name: AutoPrintFarm url: https://autoprintfarm.com servers: - url: https://api.autoprintfarm.com/public/v1 description: Production security: - bearerAuth: [] tags: - name: Printers description: Printer fleet status - name: Jobs description: Print job queue and history - name: Inventory description: Finished-goods stock levels - name: Orders description: Customer orders and line items - name: Wiki description: Internal documentation articles - name: Worklist description: Operational task queue - name: Products description: Product catalog, SKUs, components, and color presets - name: Files description: Print file metadata and versions - name: Hubs description: Hub fleet and connection status - name: Assembly description: Post-print assembly tasks with bundled wiki - name: Materials description: Filament, components, packaging, and printer parts inventory - name: Analytics description: >- Dashboard rollups and reporting (overview, production, printers, failures, inventory, revenue) paths: /inventory/{id}: patch: tags: - Inventory summary: Update finished-good metadata description: >- Updates `image_url`, `assembly_status`, and `is_active`. Pricing fields (`unit_price`, `extra_cost`, `profit_margin`) are not modifiable via the public API. Use `PUT /inventory/{id}/threshold` to change the alert threshold and `POST /inventory/{id}/adjust` to change stock. parameters: - schema: type: string description: Finished-good row id. required: true description: Finished-good row id. name: id in: path requestBody: content: application/json: schema: type: object properties: image_url: type: - string - 'null' format: uri description: Public image URL; pass `null` to clear. assembly_status: type: string enum: - printed - needs_assembly - assembled description: >- Internal assembly lifecycle stage for composite kits. `printed` = parts on hand, not yet assembled; `needs_assembly` = waiting to be built; `assembled` = ready to ship. is_active: type: boolean description: >- Soft-delete flag. Inactive rows are hidden from alerts and stats but kept for historical reference. responses: '200': description: Item updated content: application/json: schema: type: object properties: success: type: boolean enum: - true data: $ref: '#/components/schemas/InventoryItem' required: - success - data '400': description: Validation error content: application/json: schema: $ref: '#/components/schemas/Error' '401': description: Missing, invalid, revoked, or expired API key content: application/json: schema: $ref: '#/components/schemas/Error' '403': description: API key lacks the required scope content: application/json: schema: $ref: '#/components/schemas/Error' '404': description: Item not found content: application/json: schema: $ref: '#/components/schemas/Error' '429': description: Rate limit exceeded (120 req/min/key) content: application/json: schema: $ref: '#/components/schemas/Error' security: - bearerAuth: - write components: schemas: InventoryItem: type: object properties: id: type: string product_sku_id: type: string sku: type: string color: type: string material: type: string ready_stock: type: number low_stock_threshold: type: - number - 'null' status: type: - string - 'null' image_url: type: - string - 'null' is_active: type: - boolean - 'null' created_at: type: - string - 'null' updated_at: type: - string - 'null' required: - id - product_sku_id - sku - color - material - ready_stock - low_stock_threshold - status - image_url - is_active - created_at - updated_at Error: type: object properties: success: type: boolean enum: - false error: type: object properties: code: type: string description: >- Machine-readable error code (e.g. NOT_FOUND, VALIDATION_ERROR, FORBIDDEN, HUB_OFFLINE). Stable across releases — use this for branching. example: NOT_FOUND message: type: string description: >- Human-readable error message. May vary across releases — do not branch on this. example: Resource not found details: description: >- Optional structured detail. For VALIDATION_ERROR this is `{ field: [messages] }`. required: - code - message description: Error detail object required: - success - error description: Standard error response envelope securitySchemes: bearerAuth: type: http scheme: bearer bearerFormat: apf_live_<64 hex> description: >- API keys are minted in the AutoPrintFarm web app under Settings → API Keys. Send as `Authorization: Bearer apf_live_...`. Keys are shown exactly once at creation and can be revoked at any time. ````