> ## 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.

# List a collection's version A/B tests

> Returns the collection's version A/B tests (every status unless `status` narrows it), read from their Shopify metaobjects. Read-only.



## OpenAPI

````yaml /api-reference/openapi/lite.json get /collections/{collection_id}/ab-tests
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:
  /collections/{collection_id}/ab-tests:
    get:
      summary: List a collection's version A/B tests
      description: >-
        Returns the collection's version A/B tests (every status unless `status`
        narrows it), read from their Shopify metaobjects. Read-only.
      operationId: collectionAbTests
      parameters:
        - schema:
            type: string
            description: Numeric Shopify collection id.
          required: true
          description: Numeric Shopify collection id.
          name: collection_id
          in: path
        - 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: query
        - schema:
            type: string
            description: >-
              Comma-separated statuses to keep (running, ended,
              winner_promoted); absent = all.
          required: false
          description: >-
            Comma-separated statuses to keep (running, ended, winner_promoted);
            absent = all.
          name: status
          in: query
      responses:
        '200':
          description: The tests.
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/CollectionVersionAbTest'
        '400':
          description: >-
            The query failed the schema, or the merchant has no Shopify
            configuration.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Detail'
        '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.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Detail'
        '500':
          description: Internal error.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Detail'
components:
  schemas:
    CollectionVersionAbTest:
      type: object
      properties:
        test_id:
          type: string
        collection_id:
          type: string
        name:
          type: string
        variant_a_version_uuid:
          type: string
        variant_b_version_uuid:
          type: string
        scope_type:
          type: string
          enum:
            - all
            - market_groups
        market_group_ids:
          type: array
          items:
            type: string
        applies_to_market_ids:
          type: array
          items:
            type: string
          description: >-
            The scope resolved to numeric Shopify market ids, sorted; two
            running tests on a collection never share one.
        traffic_split:
          type: integer
          description: Percent of traffic routed to variant B (10–90).
        start_date:
          type: string
          format: date-time
        end_date:
          type: string
          format: date-time
        status:
          type: string
          enum:
            - running
            - ended
            - winner_promoted
        promoted_variant:
          type:
            - string
            - 'null'
          enum:
            - A
            - B
            - null
        created_at:
          type: string
          format: date-time
        created_by_email:
          type: string
          description: 'Always empty: the test is storefront-readable.'
      required:
        - test_id
        - collection_id
        - name
        - variant_a_version_uuid
        - variant_b_version_uuid
        - scope_type
        - market_group_ids
        - applies_to_market_ids
        - traffic_split
        - start_date
        - end_date
        - status
        - promoted_variant
        - created_at
        - created_by_email
    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.

````