Get Product Categories

GET /wp-json/content-api/v1/product/categories/

Retrieves categories assigned to a specific product.

Authentication

This endpoint requires a Bearer token in the Authorization header. To authenticate:

1. Go to Content API > Settings in your WordPress admin panel.
2. Set a secure token in the “Token” field and save it.
3. Include the token in your request header as follows:

Authorization: Bearer <your-token-here>

Replace <your-token-here> with the token you configured.

Parameters

Name	Type	Description	Required
product_id	integer	Product ID	Yes (or SKU)
sku	string	Product SKU	Yes (or product_id)

Example Request

{
  "product_id": 123
}

Example Response

{
  "success": true,
  "product_id": 123,
  "categories": [
    {
      "id": 16,
      "name": "T-Shirts",
      "slug": "t-shirts",
      "children": []
    }
  ]
}

Possible Errors

Code	Message	Description	HTTP Status
not_authorized	Not Authorized	The provided Bearer token is invalid or does not match the configured token.	401
missing_identifier	Product ID or SKU is required	Neither product_id nor sku was provided.	400
product_id_invalid	Product ID is invalid	The provided product_id is not a valid number.	400
sku_invalid	SKU is invalid	The provided sku contains invalid characters.	400
conflicting_identifiers	Both Product ID and SKU are provided. Please provide only one.	Both product_id and sku were provided.	400
product_not_found	Product not found	The specified product does not exist.	404