curl --request GET \
     --url '{{BASE_URL}}/v3/order/<order_id>/tracking' \
     --header 'accept: application/json' \
     --header 'x-vital-api-key: YOUR_API_KEY'

{
  "order_id": "0ee312e2-6773-4a21-a6e1-506882cd98ed",
  "expected_at": {
    "final_results": {
      "original_estimate": "2026-10-24T17:00:00Z",
      "current_estimate": "2026-10-26T17:00:00Z"
    }
  },
  "collected_at": {
    "collected_at": "2026-10-20T09:00:00Z",
    "is_inferred": false,
    "inferred_from": null
  },
  "markers": [
    {
      "id": 1,
      "name": "Hemoglobin A1c",
      "slug": "hemoglobin-a1c",
      "provider_id": "1234",
      "status": "pending",
      "expected_at": {
        "original_estimate": "2026-10-24T17:00:00Z",
        "current_estimate": "2026-10-26T17:00:00Z"
      },
      "results": [
        {
          "id": 101,
          "name": "Hemoglobin A1c",
          "slug": "hemoglobin-a1c",
          "provider_id": "1234"
        }
      ]
    }
  ],
  "updates": [
    {
      "created_at": "2026-10-22T10:00:00Z",
      "reason": "The lab needs additional processing time.",
      "revised_estimate": "2026-10-26T17:00:00Z",
      "source": "lab",
      "impacted_markers": [
        {
          "id": 1,
          "name": "Hemoglobin A1c",
          "provider_id": "1234",
          "estimates": {
            "original_estimate": "2026-10-24T17:00:00Z",
            "current_estimate": "2026-10-26T17:00:00Z"
          }
        }
      ]
    }
  ]
}