curl --request POST \
  --url https://api.withallo.com/v2/api/analytics/overview \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "date": {
    "from": "2026-03-25",
    "to": "2026-04-21"
  },
  "compare_date": {
    "from": "2026-02-25",
    "to": "2026-03-24"
  },
  "user_ids": [
    "usr-abc123",
    "usr-def456"
  ]
}
'

{
  "data": {
    "date": {
      "from": "2026-03-25",
      "to": "2026-04-21"
    },
    "compare_date": {
      "from": "2026-02-25",
      "to": "2026-03-24"
    },
    "summary": {
      "total_calls": {
        "value": 2899,
        "previous": 2512,
        "change": 0.15
      },
      "talk_time_seconds": {
        "value": 81720,
        "previous": 103380,
        "change": -0.21
      },
      "calls_over_1_min": {
        "value": 290,
        "previous": 310,
        "change": -0.06
      },
      "answer_rate": {
        "value": 0.503,
        "previous": 0.46,
        "change": 0.09
      }
    },
    "breakdown": [
      {
        "user": {
          "id": "usr-abc123",
          "name": "Adrien Gaucher",
          "email": "[email protected]"
        },
        "calls": {
          "value": 673,
          "change": -0.05
        },
        "talk_time_seconds": {
          "value": 38460,
          "change": -0.11
        },
        "calls_over_1_min": {
          "value": 141,
          "change": -0.1
        },
        "answer_rate": {
          "value": 0.645,
          "change": -0.03
        }
      }
    ],
    "last_updated": "2026-04-21T19:07:00Z"
  }
}