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

{
  "l1_timestamp": "2023-11-07T05:31:56Z",
  "l1_transaction_hashes": [
    "<string>"
  ],
  "l2_end_block_number": 123,
  "l2_start_block_number": 123,
  "number": 123,
  "transactions_count": 123,
  "blobs": [
    {
      "l1_timestamp": "2023-11-07T05:31:56Z",
      "l1_transaction_hash": "<string>",
      "cert": "<string>",
      "commitment": "<string>",
      "hash": "<string>",
      "height": 123,
      "namespace": "<string>"
    }
  ]
}