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order: 8 -->
# Client
## CLI
A user can query and interact with the `feemarket` module using the CLI.
### Queries
The `query` commands allow users to query `feemarket` state.
```go
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 [flags]
Example:
ethermintd query feemarket base-fee ...
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 [flags]
ethermintd query feemarket block-gas ...
gas: "21000"
#### Params
The `params` command allows users to query the module params.
ethermintd query params subspace [subspace] [key] [flags]
ethermintd query params subspace feemarket ElasticityMultiplier ...
key: ElasticityMultiplier
subspace: feemarket
value: "2"
## gRPC
| 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 |