curl --request POST \
  --url https://api.sellfern.com/products \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "sku": "<string>",
  "spu": "<string>",
  "title": "<string>",
  "description": "<string>",
  "price": 123,
  "design_link": "<string>",
  "tags": [
    "<string>"
  ],
  "images": [
    "<string>"
  ],
  "stores": [
    "<string>"
  ],
  "platforms": [
    "<string>"
  ]
}
'

{
  "success": true,
  "data": {
    "id": 1001,
    "sku": "TSHIRT-BLACK-M",
    "spu": "TSHIRT",
    "title": "Classic T-Shirt - Black / M",
    "description": "<string>",
    "price": 123,
    "design_link": "<string>",
    "tags": [
      "<string>"
    ],
    "images": [
      "<string>"
    ],
    "videos": [
      "<string>"
    ],
    "stores": [
      "<string>"
    ],
    "platforms": [
      "<string>"
    ],
    "labels": [
      "<string>"
    ],
    "sizes": [
      "<string>"
    ],
    "organization_id": 123,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z"
  },
  "meta": {
    "request_id": "<string>"
  }
}