curl --request GET \
  --url https://api-{dc}.moengage.com/v5/analytics/dashboards/{dashboard_id}/charts \
  --header 'Authorization: Basic <encoded-value>'

{
  "response_id": "b3f1c0d2-2a4e-4f9b-9c1a-6d2e8f0a1b23",
  "type": "dashboard",
  "data": {
    "name": "Acquisition Overview",
    "created_by": "[email protected]",
    "owned_by": "[email protected]",
    "chart_ids": [
      {
        "_id": "67f9d9df279348ecdc84415f",
        "name": "New Users by Day"
      },
      {
        "_id": "68f08c79d33bd238d3ef00e0",
        "name": "Sign-ups by Channel"
      }
    ]
  }
}

{
  "error": {
    "code": "VALIDATION_FAILED",
    "message": "Invalid dashboard_id.",
    "doc_url": "https://www.moengage.com/docs/api/dashboards/get-chart-data"
  },
  "response_id": "b3f1c0d2-2a4e-4f9b-9c1a-6d2e8f0a1b23"
}

{
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Missing or invalid credentials.",
    "doc_url": "https://www.moengage.com/docs/api/dashboards/get-chart-data"
  },
  "response_id": "b3f1c0d2-2a4e-4f9b-9c1a-6d2e8f0a1b23"
}

{
  "error": {
    "code": "FORBIDDEN",
    "message": "You do not have access to this dashboard.",
    "doc_url": "https://www.moengage.com/docs/api/dashboards/get-chart-data"
  },
  "response_id": "b3f1c0d2-2a4e-4f9b-9c1a-6d2e8f0a1b23"
}

{
  "error": {
    "code": "NOT_FOUND",
    "message": "Dashboard not found.",
    "doc_url": "https://www.moengage.com/docs/api/dashboards/get-chart-data"
  },
  "response_id": "b3f1c0d2-2a4e-4f9b-9c1a-6d2e8f0a1b23"
}

{
  "error_msg": {
    "error": "rate_limit_exceeded",
    "message": "Too many requests. Please try later."
  }
}

{
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "An unexpected error occurred while processing the request.",
    "doc_url": "https://www.moengage.com/docs/api/dashboards/get-chart-data"
  },
  "response_id": "b3f1c0d2-2a4e-4f9b-9c1a-6d2e8f0a1b23"
}