# List product relation types

Retrieves a paginated list of product relation types with optional filtering.

Endpoint: GET /v1/product-relation-types
Version: 1.0.0
Security: Bearer

## Query parameters:

  - `uuids[eq]` (array)
    Filter by one or more UUIDs. Accepts multiple values.

  - `codes[eq]` (array)
    Filter by one or more exact codes. Accepts multiple values.

  - `code[contains]` (string)
    Filter by partial code match.

  - `code[starts]` (string)
    Filter by code prefix.

  - `code[ends]` (string)
    Filter by code suffix.

  - `code[order]` (string)
    Sort order for code field. Values: asc, desc.

  - `createdAt[eq]` (string)
    Filter by exact creation timestamp.
    Example: "2025-11-23T14:15:22.123456Z"

  - `createdAt[min]` (string)
    Filter by minimum creation timestamp.
    Example: "2025-11-23T14:15:22.123456Z"

  - `createdAt[max]` (string)
    Filter by maximum creation timestamp.
    Example: "2025-11-23T14:15:22.123456Z"

  - `createdAt[order]` (string)
    Sort order for creation timestamp. Values: asc, desc.

  - `updatedAt[eq]` (string)
    Filter by exact update timestamp.
    Example: "2025-11-23T14:15:22.123456Z"

  - `updatedAt[min]` (string)
    Filter by minimum update timestamp.
    Example: "2025-11-23T14:15:22.123456Z"

  - `updatedAt[max]` (string)
    Filter by maximum update timestamp.
    Example: "2025-11-23T14:15:22.123456Z"

  - `updatedAt[order]` (string)
    Sort order for update timestamp. Values: asc, desc.

  - `page` (integer)
    Page number for pagination. Default is 1.

  - `size` (integer)
    Page size for pagination. Default is 20.

## Response 200 fields (application/json):

  - `items` (array, required)

  - `items.uuid` (string, required)
    Unique identifier for this product relation type.

  - `items.createdAt` (string, required)
    Timestamp when this product relation type was created.
    Example: "2025-11-23T14:15:22.123456Z"

  - `items.updatedAt` (string, required)
    Timestamp when this product relation type was last modified.
    Example: "2025-11-23T14:15:22.123456Z"

  - `items.code` (string, required)
    Code for this product relation type.

  - `items.direction` (string, required)
    Direction of the relation. OneWay creates a directional relation. TwoWay creates a symmetrical relation visible from both products.
    Enum: "oneWay", "twoWay"

  - `items.reverseRelationTypeUuid` (string,null)
    For one-way relations, links to another relation type that represents the reverse perspective. Example: 'accessory' links to 'compatible-with' so accessories show compatible products.

  - `pagination` (object, required)

  - `pagination.page` (integer, required)

  - `pagination.size` (integer, required)

  - `pagination.totalItems` (integer, required)

  - `pagination.totalPages` (integer, required)

## Response 401 fields (application/problem+json):

  - `type` (string,null)

  - `title` (string,null)

  - `status` (integer,null)

  - `detail` (string,null)

  - `instance` (string,null)

## Response 403 fields (application/problem+json):

  - `type` (string,null)

  - `title` (string,null)

  - `status` (integer,null)

  - `detail` (string,null)

  - `instance` (string,null)

  - `correlationId` (string,null)

## Response 500 fields (application/problem+json):

  - `type` (string,null)

  - `title` (string,null)

  - `status` (integer,null)

  - `detail` (string,null)

  - `instance` (string,null)

  - `correlationId` (string,null)