curl --request GET \
  --url https://rs-indexer.api.herodotus.cloud/remappers/get-block-header-by-timestamp

{
  "block_header": {
    "base_fee_per_gas": "<string>",
    "block_hash": "<string>",
    "block_number": 123,
    "difficulty": "<string>",
    "extra_data": "<string>",
    "gas_limit": "<string>",
    "gas_used": "<string>",
    "logs_bloom": "<string>",
    "miner": "<string>",
    "mix_hash": "<string>",
    "nonce": "<string>",
    "parent_hash": "<string>",
    "receipt_root": "<string>",
    "sha3_uncles": "<string>",
    "state_root": "<string>",
    "timestamp": 123,
    "transaction_root": "<string>",
    "withdrawal_root": "<string>"
  }
}