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

{
  "data": {
    "addresses": [
      "<string>"
    ],
    "icon_url": "<string>",
    "name": "<string>",
    "tags": [
      "<string>"
    ],
    "url": "<string>"
  },
  "last_updated": {
    "block_hash": "<string>",
    "block_height": 123
  }
}