curl --request GET \
  --url https://xbt-mainnet.gomaestro-api.org/v0/esplora/blocks/{start_height} \
  --header 'api-key: <api-key>'

[
  {
    "id": "<string>",
    "height": 123,
    "version": 123,
    "timestamp": 123,
    "mediantime": 123,
    "bits": 123,
    "nonce": 123,
    "difficulty": 123,
    "merkle_root": "<string>",
    "tx_count": 123,
    "size": 123,
    "weight": 123,
    "previousblockhash": "<string>",
    "extras": {}
  }
]