> For the complete documentation index, see [llms.txt](https://docs.chainrpc.io/chainrpc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chainrpc.io/chainrpc/networks/ethereum/json-rpc-methods/eth_coinbase.md).

# eth\_coinbase

{% hint style="warning" %}
The `eth_coinbase` JSON-RPC method is not supported.
{% endhint %}

Returns the client coinbase address. The coinbase address is the account to pay mining rewards to. For more information about the method refer to the [official Ethereum wiki](https://eth.wiki/json-rpc/API#eth_coinbase).