> ## Documentation Index > Fetch the complete documentation index at: https://docs.vellaro.io/llms.txt > Use this file to discover all available pages before exploring further. # Create Cart Ref > Fotografa il carrello del server e risponde col codice (§2.2, §5.1). 404 `whatsapp.disabled` (modulo spento o pulsante del carrello non previsto), 422 `whatsapp.cart_empty` / `whatsapp.cart_too_large` (> 100 righe), 429 per IP (10/minuto) o `whatsapp.daily_limit` (200 al giorno per IP, 5.000 per negozio): la vetrina apre comunque il messaggio, senza codice. ## OpenAPI ````yaml https://api.vellaro.io/openapi/storefront.json post /api/v1/whatsapp/cart-refs openapi: 3.1.0 info: title: Vellaro Storefront API description: >- The API of storefronts and mobile apps. The store comes from the publishable key in the `X-Vellaro-Key` header (or from the store's domain); the customer's endpoints also take the customer's token as `Authorization: Bearer `. version: 0.1.0 servers: - url: https://api.vellaro.io description: Produzione security: [] tags: - name: Authentication description: >- Customer sign-up and login, tokens, password reset, email verification, Google and Apple login, two-factor authentication. - name: Catalog description: Products, categories and brands, with filters, sorting and pagination. - name: Search description: Full-text product search and suggestions as you type. - name: Cart description: >- The cart of a guest (`X-Cart-Token`) or of the logged-in customer, and the extra warranty offered on a product page. - name: Checkout & orders description: >- Checkout, the customer's orders and reorder, «Order on WhatsApp» (cart codes, clicks). - name: Payments description: >- The store's payment methods, paying an order again, and the confirmation steps of PayPal, PokPay and Iute. - name: Account description: >- The logged-in customer: profile, addresses, wishlist, digital downloads, subscriptions, affiliate account. - name: Reviews & questions description: Product reviews and product questions. - name: AI chat description: 'The store''s AI shopping assistant: conversations, messages, feedback.' - name: Content description: CMS pages, menus, banners, flipbooks and information pages. - name: Marketing & contact description: >- Newsletter sign-up and email links, the contact form, campaign click tracking. - name: Store description: >- The store for the storefront: brand, public settings, languages, translations, currencies, physical stores, theme. - name: Devices description: Push-notification devices of the mobile app. paths: /api/v1/whatsapp/cart-refs: post: tags: - Checkout & orders summary: Create Cart Ref description: >- Fotografa il carrello del server e risponde col codice (§2.2, §5.1). 404 `whatsapp.disabled` (modulo spento o pulsante del carrello non previsto), 422 `whatsapp.cart_empty` / `whatsapp.cart_too_large` (> 100 righe), 429 per IP (10/minuto) o `whatsapp.daily_limit` (200 al giorno per IP, 5.000 per negozio): la vetrina apre comunque il messaggio, senza codice. operationId: create_cart_ref_api_v1_whatsapp_cart_refs_post parameters: - name: X-Cart-Token in: header required: false schema: anyOf: - type: string - type: 'null' title: X-Cart-Token - name: cx_cart in: cookie required: false schema: anyOf: - type: string - type: 'null' title: Cx Cart requestBody: content: application/json: schema: anyOf: - $ref: '#/components/schemas/CartRefIn' - type: 'null' title: Body responses: '201': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/ApiResponse_CartRefOut_' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - HTTPBearer: [] components: schemas: CartRefIn: properties: locale: anyOf: - type: string pattern: ^[a-z]{2}(-[A-Z]{2})?$ - type: 'null' title: Locale display_currency: anyOf: - type: string pattern: ^[A-Za-z]{3}$ - type: 'null' title: Display Currency type: object title: CartRefIn description: |- POST /whatsapp/cart-refs: il carrello arriva da X-Cart-Token/cookie o dall'utente, MAI dal corpo. ApiResponse_CartRefOut_: properties: data: anyOf: - $ref: '#/components/schemas/CartRefOut' - type: 'null' meta: anyOf: - $ref: '#/components/schemas/PaginationMeta' - type: 'null' error: anyOf: - type: string - type: 'null' title: Error error_code: anyOf: - type: string - type: 'null' title: Error Code type: object title: ApiResponse[CartRefOut] HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError CartRefOut: properties: code: type: string title: Code display_code: type: string title: Display Code expires_at: type: string format: date-time title: Expires At subtotal: type: string pattern: ^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$ title: Subtotal currency: type: string title: Currency item_count: type: integer title: Item Count lines: items: $ref: '#/components/schemas/CartRefLineOut' type: array title: Lines type: object required: - code - display_code - expires_at - subtotal - currency - item_count - lines title: CartRefOut PaginationMeta: properties: page: type: integer title: Page page_size: type: integer title: Page Size total: type: integer title: Total total_pages: type: integer title: Total Pages type: object required: - page - page_size - total - total_pages title: PaginationMeta ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type input: title: Input ctx: type: object title: Context type: object required: - loc - msg - type title: ValidationError CartRefLineOut: properties: variant_id: type: string format: uuid title: Variant Id qty: type: integer title: Qty unit_price: type: string pattern: ^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$ title: Unit Price line_total: type: string pattern: ^(?!^[-+.]*$)[+-]?0*\d*\.?\d*$ title: Line Total type: object required: - variant_id - qty - unit_price - line_total title: CartRefLineOut securitySchemes: HTTPBearer: type: http scheme: bearer ```` This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.