> ## Documentation Index
> Fetch the complete documentation index at: https://docs.depict.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# The merchant's product groupings

> Lists every head + tails grouping defined for the merchant, for the collection editor's groupings library. Whether a grouping applies in a collection is set on the collection version (`active_attachment_ids`). Read-only.



## OpenAPI

````yaml /api-reference/openapi/lite.json get /{merchant_id}/product-attachments
openapi: 3.1.0
info:
  title: Search & Merchandising API
  version: 1.0.0
  description: >-
    REST API behind Depict: Search & Merchandising, the native Shopify app:
    onboarding, collections, boost & bury, dashboards, A/B testing and
    multi-store management. Endpoints are served under the /api/lite prefix and
    are authenticated with the Shopify session token that App Bridge issues to
    the embedded app.
servers:
  - url: /api/lite
security:
  - ShopifySessionToken: []
paths:
  /{merchant_id}/product-attachments:
    get:
      summary: The merchant's product groupings
      description: >-
        Lists every head + tails grouping defined for the merchant, for the
        collection editor's groupings library. Whether a grouping applies in a
        collection is set on the collection version (`active_attachment_ids`).
        Read-only.
      operationId: listProductAttachments
      parameters:
        - schema:
            type: string
            description: Lite merchant id, e.g. `shopify-<shop id>`.
          required: true
          description: Lite merchant id, e.g. `shopify-<shop id>`.
          name: merchant_id
          in: path
      responses:
        '200':
          description: The groupings.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/ProductAttachmentDefinition'
        '401':
          description: Not authenticated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Detail'
        '403':
          description: Authenticated, but this identity may not call the API.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Detail'
        '404':
          description: >-
            Merchant not found for this caller, or groupings are not enabled for
            it.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Detail'
        '500':
          description: Internal error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Detail'
components:
  schemas:
    ProductAttachmentDefinition:
      type: object
      properties:
        id:
          type: string
        merchant_id:
          type: string
        head_product_id:
          type: string
        tail_product_ids:
          type: array
          items:
            type: string
          description: 'Ordered: the tails are laid out behind the head in this order.'
        created_at:
          type: string
        updated_at:
          type: string
      required:
        - id
        - merchant_id
        - head_product_id
        - tail_product_ids
        - created_at
        - updated_at
    Detail:
      type: object
      properties:
        detail:
          type: string
      required:
        - detail
      description: 'Every 4xx/5xx body: `{detail}`.'
  securitySchemes:
    ShopifySessionToken:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: >-
        Shopify App Bridge session token of the embedded Depict: Search &
        Merchandising app. The shop in the token determines the merchant;
        merchant_id parameters must belong to that shop.

````