curl --request POST \
  --url https://app.promptingco.com/api/v1/apps/{appId}/routes/import-preview \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "routes": [
    {
      "path": "<string>",
      "targetId": "<string>",
      "targetType": "product_document"
    }
  ]
}
'

{
  "ok": true,
  "data": {
    "appId": "<string>",
    "valid": true,
    "createCount": 1,
    "conflictCount": 1,
    "skipCount": 1,
    "routes": [
      {
        "input": {
          "path": "<string>",
          "targetId": "<string>",
          "targetType": "product_document"
        },
        "action": "create",
        "issues": [
          "already_routed"
        ],
        "existingRoute": {
          "id": "<string>",
          "path": "<string>"
        },
        "pathConflict": {
          "id": "<string>",
          "path": "<string>",
          "targetType": "<string>",
          "targetId": "<string>"
        },
        "target": {
          "id": "<string>",
          "title": "<string>",
          "filePath": "<string>",
          "sourceUrl": "<string>",
          "status": "<string>",
          "type": "<string>",
          "redirectToUrl": "<string>",
          "productId": "<string>"
        },
        "product": {
          "id": "<string>",
          "name": "<string>",
          "slug": "<string>"
        }
      }
    ]
  }
}