curl --request POST \
  --url https://api.interchange.io/api/v2/storefront/storefronts/{storefrontId}/demand-signals/{signalId}/test-fit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "overrides": {
    "includeProductIds": [
      "<string>"
    ],
    "excludeProductIds": [
      "<string>"
    ],
    "cpmOverrides": {},
    "notesOverride": "<string>"
  }
}
'

{
  "matchScore": 50,
  "factors": [
    {
      "id": "<string>",
      "label": "<string>",
      "weight": 50,
      "score": 50,
      "detail": "<string>"
    }
  ],
  "products": [
    {
      "productId": "<string>",
      "name": "<string>",
      "description": "<string>",
      "publisherDomain": "<string>",
      "channel": "<string>",
      "cpm": 123,
      "currency": "<string>",
      "estimatedImpressions": 4503599627370495,
      "fitScore": 50,
      "factors": [
        {
          "id": "<string>",
          "label": "<string>",
          "weight": 50,
          "score": 50,
          "detail": "<string>"
        }
      ],
      "skipReason": "<string>"
    }
  ],
  "productsConsidered": 4503599627370495,
  "draftReply": {
    "text": "<string>"
  },
  "headlineCpm": 1,
  "headlineCurrency": "<string>",
  "skippedProducts": [
    {
      "productId": "<string>",
      "name": "<string>",
      "description": "<string>",
      "publisherDomain": "<string>",
      "channel": "<string>",
      "cpm": 123,
      "currency": "<string>",
      "estimatedImpressions": 4503599627370495,
      "fitScore": 50,
      "factors": [
        {
          "id": "<string>",
          "label": "<string>",
          "weight": 50,
          "score": 50,
          "detail": "<string>"
        }
      ],
      "skipReason": "<string>"
    }
  ]
}