> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cdp.coinbase.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CDP_SERVER_DEFAULT_EVM_NETWORKS

```ts theme={null}
const CDP_SERVER_DEFAULT_EVM_NETWORKS: readonly ["eip155:8453"];
```

Defined in: [server.ts:105](https://github.com/coinbase/cdp-sdk/blob/a1195adcfa5a93627bd3cb79831b188cc13073a1/typescript/packages/cdp-sdk/src/x402/server.ts#L105)

Default EVM networks (production) — Base mainnet (`eip155:8453`).