curl --request GET \
  --url https://api.blockscout.com/{chain_id}/api/v2/main-page/arbitrum/batches/committed \
  --header 'Authorization: Bearer <token>'

{
  "items": [
    {
      "blocks_count": 1,
      "commitment_transaction": {
        "block_number": 1,
        "hash": "<string>",
        "timestamp": "2023-11-07T05:31:56Z"
      },
      "number": 1,
      "transactions_count": 1
    }
  ]
}