curl --request GET \
  --url https://xbt-mainnet.gomaestro-api.org/v0/mempool/assets/runes/{rune}/holders \
  --header 'api-key: <api-key>'

{
  "data": [
    {
      "address": "bc1q764zfcx3uw0dcvcdh7nnwm5fvsml0c2tgn942v",
      "balance": "9000000.000000000000000000",
      "script_pubkey": "0014f6aa24e0d1e39edc330dbfa7376e896437f7e14b"
    },
    {
      "address": "bc1pqfhj6tlxgpvc72mvn9hh0z666k45fpxgsej92d9q08sfe572mhlqca68ld",
      "balance": "420000.000000000000000000",
      "script_pubkey": "5120026f2d2fe640598f2b6c996f778b5ad5ab4484c886645534a079e09cd3caddfe"
    }
  ],
  "indexer_info": {
    "chain_tip": {
      "block_hash": "00000000000000000002da06787fe86324e1cc1421861d899b7bd1e340aa1930",
      "block_height": 867154
    },
    "estimated_blocks": [
      {
        "block_height": 867155,
        "sats_per_vb": {
          "max": 16,
          "median": 14,
          "min": 12
        }
      }
    ],
    "mempool_timestamp": "2025-01-06 16:43:32"
  },
  "next_cursor": null
}