curl --request GET \
  --url https://server.promptwatch.com/api/v2/content-gap/stats \
  --header 'X-API-Key: <api-key>'

{
  "totalPromptsWithCoverage": 180,
  "totalPromptsWithoutCoverage": 42,
  "averageCoverageScore": 0.61,
  "distribution": {
    "low": 35,
    "medium": 52,
    "good": 78,
    "excellent": 57
  },
  "byPromptType": [
    {
      "category": "ORGANIC",
      "averageScore": 0.58,
      "count": 90,
      "totalPrompts": 120
    },
    {
      "category": "BRAND_SPECIFIC",
      "averageScore": 0.72,
      "count": 40,
      "totalPrompts": 55
    }
  ],
  "byIntentType": [
    {
      "category": "INFORMATIONAL",
      "averageScore": 0.62,
      "count": 100,
      "totalPrompts": 140
    },
    {
      "category": "COMMERCIAL",
      "averageScore": 0.55,
      "count": 35,
      "totalPrompts": 50
    }
  ]
}