curl --request GET \
  --url https://api.neynar.com/v2/onchain/token/balances \
  --header 'x-api-key: <api-key>'

{
  "balances": [
    {
      "network": "ethereum",
      "address": "0x5a927ac639636e534b678e81768ca19e2c6280b7",
      "name": "USD Coin",
      "symbol": "USDC",
      "decimals": 6,
      "balance": "1000000000",
      "balance_usd": "1000.50",
      "price_usd": "1.00",
      "image_url": "https://example.com/token.png"
    }
  ],
  "next": {
    "cursor": "<string>"
  }
}