curl --request POST \
  --url https://api.allium.so/api/v1/developer/wallet/balances \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '[
  {
    "chain": "<string>",
    "address": "<string>"
  }
]'

{
  "items": [
    {
      "chain": "<string>",
      "address": "<string>",
      "token_address": "<string>",
      "raw_balance": 123,
      "token_metadata": {
        "price": 123,
        "token_name": "<string>",
        "token_decimals": 123,
        "symbol": "<string>"
      },
      "block_timestamp": "2023-11-07T05:31:56Z",
      "block_number": 123,
      "block_hash": "<string>"
    }
  ],
  "cursor": "<string>"
}