curl --request POST \
  --url https://api.anysite.io/api/l2beat/projects/liveness \
  --header 'Content-Type: application/json' \
  --header 'access-token: <api-key>' \
  --data '
{
  "count": 2,
  "timeout": 300,
  "project": "arbitrum",
  "range": "30d"
}
'

[
  {
    "id": "<string>",
    "name": "<string>",
    "@type": "L2beatProjectLiveness",
    "alias": "<string>",
    "proof_system": "<string>",
    "category": "<string>",
    "is_synced": false,
    "tx_data": {
      "@type": "L2beatLivenessInterval",
      "average_seconds": 123,
      "minimum_seconds": 123,
      "maximum_seconds": 123,
      "warning": "<string>"
    },
    "proof_submissions": {
      "@type": "L2beatLivenessInterval",
      "average_seconds": 123,
      "minimum_seconds": 123,
      "maximum_seconds": 123,
      "warning": "<string>"
    },
    "state_updates": {
      "@type": "L2beatLivenessInterval",
      "average_seconds": 123,
      "minimum_seconds": 123,
      "maximum_seconds": 123,
      "warning": "<string>"
    },
    "anomalies": []
  }
]