curl --request GET \
  --url https://xdg-mainnet.gomaestro-api.org/v0/rpc/block/{height_or_hash} \
  --header 'api-key: <api-key>'

{
  "data": {
    "auxpow": {
      "chainindex": 123,
      "chainmerklebranch": [
        "<string>"
      ],
      "index": 123,
      "merklebranch": [
        "<string>"
      ],
      "parentblock": "<string>",
      "tx": {
        "blockhash": "<string>",
        "hash": "<string>",
        "hex": "<string>",
        "locktime": 123,
        "size": 123,
        "txid": "<string>",
        "version": 123,
        "vin": [
          {
            "coinbase": "<string>",
            "sequence": 123
          }
        ],
        "vout": [
          {
            "n": 123,
            "scriptPubKey": {
              "addresses": [
                "<string>"
              ],
              "asm": "<string>",
              "hex": "<string>",
              "reqSigs": 123,
              "type": "<string>"
            },
            "value": 123
          }
        ],
        "vsize": 123
      }
    },
    "bits": "<string>",
    "chainwork": "<string>",
    "confirmations": 123,
    "difficulty": 123,
    "hash": "<string>",
    "height": 123,
    "mediantime": 123,
    "merkleroot": "<string>",
    "nextblockhash": "<string>",
    "nonce": 123,
    "previousblockhash": "<string>",
    "size": 123,
    "strippedsize": 123,
    "time": 123,
    "tx": [
      "<string>"
    ],
    "version": 123,
    "versionHex": "<string>",
    "weight": 123
  },
  "last_updated": {
    "block_hash": "<string>",
    "block_height": 123
  }
}