{
  "request": {
    "method": "GET",
    "url": "https://api.sigmaaldrich.com/v1/products/search",
    "headers": {
      "x-api-key": "your-api-key-here"
    },
    "query": {
      "q": "sodium chloride",
      "pageSize": 5,
      "page": 1
    }
  },
  "response": {
    "status": 200,
    "body": {
      "results": [
        {
          "catalogNumber": "S9888",
          "name": "Sodium chloride",
          "description": "Sodium chloride BioXtra, ≥99.5% (AT)",
          "brand": "Sigma",
          "casNumber": "7647-14-5",
          "formula": "ClNa",
          "molecularWeight": 58.44,
          "smiles": "[Na+].[Cl-]",
          "purity": "≥99.5%",
          "grade": "BioXtra",
          "physicalState": "solid",
          "packagingOptions": [
            { "packSize": "100g", "packagingType": "bottle" },
            { "packSize": "500g", "packagingType": "bottle" },
            { "packSize": "1kg", "packagingType": "bottle" }
          ]
        }
      ],
      "total": 47,
      "page": 1,
      "pageSize": 5
    }
  }
}