# Client

### CLI <a href="#cli" id="cli"></a>

A user can query and interact with the `feemarket` module using the CLI.

#### Queries <a href="#queries" id="queries"></a>

The `query` commands allow users to query `feemarket` state.

```
ethermintd query feemarket --help
```

**Base Fee**

The `base-fee` command allows users to query the block base fee by height.

```
ethermintd query feemarket base-fee [height] [flags]
```

Example:

```
ethermintd query feemarket base-fee 5...
```

Example Output:

```
base_fee: "512908936"
```

**Block Gas**

The `block-gas` command allows users to query the block gas by height.

```
ethermintd query feemarket block-gas [height] [flags]
```

Example:

```
ethermintd query feemarket block-gas 5...
```

Example Output:&#x20;

```
gas: "21000"
```

**Params**

The `params` command allows users to query the module params.

```
ethermintd query params subspace [subspace] [key] [flags]
```

Example:

```
ethermintd query params subspace feemarket ElasticityMultiplier ...
```

Example Output:

```
key: ElasticityMultiplier
subspace: feemarket
value: "2"
```

### gRPC <a href="#grpc" id="grpc"></a>

#### Queries <a href="#queries-2" id="queries-2"></a>

| Verb   | Method                                  | Description            |
| ------ | --------------------------------------- | ---------------------- |
| `gRPC` | `ethermint.feemarket.v1.Query/Params`   | Get the module params  |
| `gRPC` | `ethermint.feemarket.v1.Query/BaseFee`  | Get the block base fee |
| `gRPC` | `ethermint.feemarket.v1.Query/BlockGas` | Get the block gas used |
| `GET`  | `/feemarket/evm/v1/params`              | Get the module params  |
| `GET`  | `/feemarket/evm/v1/base_fee`            | Get the block base fee |
| `GET`  | `/feemarket/evm/v1/block_gas`           | Get the block gas used |