# Config

### eth\_coinbase <a href="#eth_coinbase" id="eth_coinbase"></a>

Returns the client coinbase address.

**Parameters**

None

**Return Value**

| Type         | Description                   |
| ------------ | ----------------------------- |
| 20-byte DATA | The current coinbase address. |

**Example**

```shell
// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_coinbase","params":[],"id":1}' http://localhost:8551

// Result
{
  "jsonrpc": "2.0",
  "id":1,
  "result": "0xc94770007dda54cF92009BFF0dE90c06F603a09f"
}
```

### eth\_etherbase <a href="#eth_etherbase" id="eth_etherbase"></a>

Returns the client etherbase address.

**Parameters**

None

**Return Value**

| Type         | Description                    |
| ------------ | ------------------------------ |
| 20-byte DATA | The current etherbase address. |

**Example**

```shell
// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_etherbase","params":[],"id":1}' http://localhost:8551

// Result
{
  "jsonrpc": "2.0",
  "id":1,
  "result": "0xc94770007dda54cF92009BFF0dE90c06F603a09f"
}
```

### eth\_chainId <a href="#eth_chainid" id="eth_chainid"></a>

Return current chainId set on the requested node.

**Parameters**

None

**Return Value**

| Type     | Description                         |
| -------- | ----------------------------------- |
| QUANTITY | Chain id set on the requested node. |

**Example**

```shell
// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}' http://localhost:8551

// Result
{
  "jsonrpc": "2.0",
  "id":1,
  "result": "0x2019"
}
```

### eth\_gasPrice <a href="#eth_gasprice" id="eth_gasprice"></a>

Returns the current price per gas in peb.

**NOTE**: This API has different behavior from Ethereum's and returns a gas price of Klaytn instead of suggesting a gas price as in Ethereum.

**Parameters**

None

**Return Value**

| Type     | Description                              |
| -------- | ---------------------------------------- |
| QUANTITY | Integer of the current gas price in peb. |

**Example**

```shell
// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_gasPrice","params":[],"id":1}' http://localhost:8551

// Result
{
  "jsonrpc": "2.0",
  "id":1,
  "result": "0xAE9F7BCC00" // 250,000,000,000 peb = 250 ston (Gwei)
}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://archive-docs.klaytn.foundation/content/dapp/json-rpc/api-references/eth/config.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.