# Get Product Variant

Returns a single Variant resource nested within the specified Product, with the published fields selected via OData query options.
            
## Authentication
            
Requires a valid API key in the X-API-KEY header.
            
## Headers
### Accept-Language
            
Indicates the preferred natural language and locale for the localized content:
- culture-code (e.g. es, en-us) — returns content localized in the specified culture.
- null / not set — returns content localized in the default culture.
- * — currently disabled.
            
Multiple culture codes or q-factor weighting are not supported.
            
## OData Query Support
            
The endpoint supports a subset of OData v4.01 URI conventions.
The full list of available properties can be obtained from GET /Variants/$metadata.
            
### $select
Comma-separated list of Variant properties (implicit or custom) to include in the result.
Selection of properties inside embedded resources/collections is not supported.
- Example: frmt_ref
- Example: frmt_ref,frmt_tags
            
### $expand
Comma-separated list of embedded collections to include in the result. By default, embedded collections are not included.
Only embedded collections are supported (not embedded resources).
            
## Response
            
200 OK — Returns an EntityRepresentation with the requested Variant.
            
## Error Responses
            
- 400 Bad Request — Invalid OData expression or query parameter.
- 401 Unauthorized — Missing or invalid API key.
- 404 Not Found — Product, Variant or tenant not found.
- 500 Internal Server Error — Unexpected technical error.
            
## Example
            
Request:
http
GET /Products(987)/Variants(12345)?$select=frmt_ref HTTP/1.1
X-API-KEY: your-api-key-here
Accept-Language: es

            
Response:
http
HTTP/1.1 200 OK
Content-Type: application/json

Endpoint: GET /Products({productIdentifier})/Variants({variantIdentifier})
Version: 2.0.0

## Header parameters:

  - `X-API-KEY` (string)
    Tenant's API key (required)

  - `Accept-Language` (string)
    Preferred localization culture (e.g. es, en-us)

## Path parameters:

  - `productIdentifier` (integer, required)
    Product resource identifier (path parameter)

  - `variantIdentifier` (integer, required)
    Variant resource identifier (path parameter)

## Query parameters:

  - `$select` (string)

  - `$expand` (string)

## Response 200 fields (application/json):

  - `@readLink` (string,null)

  - `@editLink` (string,null)

  - `@etag` (string,null)

  - `@navigationLinks` (array,null)

  - `@navigationLinks.uri` (string,null)

  - `@associationLinks` (array,null)

  - `@associationLinks.uri` (string,null)

  - `@context` (string,null)

  - `value` (any,null)

## Response 400 fields (application/json):

  - `validationFailures` (object,null)
    Example: {"Layout":[{"PropertyName":"Layout","ErrorMessage":"The layout must contain exactly the attributes of the stored layout. Missing: tags. Unknown: extra_field.","AttemptedValue":null}]}

## Response 401 fields (application/json):

  - `type` (string,null)

  - `title` (string,null)

  - `status` (integer,null)

  - `detail` (string,null)

  - `instance` (string,null)

## Response 500 fields (application/json):

  - `error` (string,null)

  - `details` (any,null)