curl --request GET \
  --url https://xdg-mainnet.gomaestro-api.org/v0/assets/dunes/{dune} \
  --header 'api-key: <api-key>'

{
  "data": {
    "divisibility": 8,
    "etching_cenotaph": false,
    "etching_height": 5280961,
    "etching_tx": "39a7cc8155a9e68692ee280e2dfb5a4007cfa5f83f2801abf10fb2682ee3fabc",
    "id": "5280961:140",
    "max_supply": "1000000000000.00000000",
    "mints": 2,
    "name": "TESTTESTTEEST",
    "spaced_name": "TEST•TEST•TEEST",
    "symbol": "a",
    "terms": {
      "amount_per_mint": "1000.00000000",
      "end_height": "5290000",
      "end_offset": null,
      "mint_txs_cap": "1000000000",
      "start_height": "5280850",
      "start_offset": null
    },
    "unique_holders": 2
  },
  "last_updated": {
    "block_hash": "304f07cefebe68472f2ceb02706f9a3b5a9e9ecb3534ec34923799c8ecd7f27d",
    "block_height": 5303197
  }
}