curl --request GET \
  --url https://v2.prod.halliday.xyz/chains \
  --header 'Authorization: Bearer <token>'

{
  "ethereum": {
    "chain_id": 1,
    "network": "ethereum",
    "native_currency": {
      "name": "Ether",
      "symbol": "ETH",
      "decimals": 18
    },
    "is_testnet": false,
    "explorer": "https://etherscan.io/",
    "image": "<IMAGE_URL>...",
    "rpc": "<RPC_URL>..."
  },
  "arbitrum": {
    "chain_id": 42161,
    "network": "arbitrum",
    "native_currency": {
      "name": "Ether",
      "symbol": "ETH",
      "decimals": 18
    },
    "is_testnet": false,
    "explorer": "https://arbiscan.io/",
    "image": "<IMAGE_URL>...",
    "rpc": "<RPC_URL>..."
  }
}