curl --request GET \
  --url https://api.barker.money/api/partner/products/{slug}/position \
  --header 'X-Api-Key: <api-key>'

{
  "success": true,
  "data": {
    "wallet_address": "<string>",
    "product_slug": "<string>",
    "shares": "<string>",
    "assets": "<string>",
    "usd_value": "<string>"
  }
}