curl --request GET \
  --url https://api-sandbox.y.uno/v1/sellers/{merchant_seller_id} \
  --header 'private-secret-key: <private-secret-key>' \
  --header 'public-api-key: <public-api-key>'

{
  "seller_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
  "merchant_seller_id": "FRANCHISE_STORE_001",
  "name": "Franchise Store New York",
  "email": "store001@franchise.com",
  "phone": {
    "code": "+1",
    "number": "2125550100"
  },
  "document": {
    "type": "EIN",
    "number": "12-3456789"
  },
  "address": {
    "line_1": "350 Fifth Avenue",
    "line_2": "Suite 101",
    "city": "New York",
    "state": "NY",
    "country": "US",
    "zip_code": "10118"
  },
  "country": "US",
  "website": null,
  "industry": null,
  "merchant_category_code": "5812",
  "payment_methods": [
    {
      "provider_id": "STRIPE",
      "payment_method_type": "CARD",
      "merchant_id": "acct_1A2B3C4D5E",
      "wallet_details": null
    }
  ],
  "created_at": "2026-05-07T10:00:00Z",
  "updated_at": "2026-05-07T10:00:00Z"
}