Create a funnel

curl --request POST \
  --url 'https://truestat.io/api/v1/sites/{siteId}/funnels' \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "name": "<string>",
  "steps": [
    {
      "kind": "view",
      "match": "equals",
      "value": "<string>"
    }
  ],
  "window_seconds": 2592000
}'

{
  "data": {
    "id": "4871b75d-ca85-467c-9475-6ab6011c9abf",
    "name": "Signup flow",
    "steps": [
      {
        "kind": "view"
      },
      {
        "kind": "view",
        "match": "starts_with",
        "value": "/pricing"
      },
      {
        "kind": "goal",
        "value": "signup"
      }
    ],
    "created_at": "2026-09-16T19:34:51.040Z",
    "updated_at": "2026-09-16T19:34:51.040Z",
    "window_seconds": 604800
  },
  "meta": {
    "site_id": "6fed8980-a119-4a9c-a4d4-53e448ef9f9e"
  }
}