---
id: query-client
title: 'Query Client'
sidebar_position: 2
---

It's actually an encapsulation of the
[Blockchain API](https://docs.bnbchain.org/greenfield-docs/docs/api/blockchain-rest).

:::info

In most cases, you probably don't need to use the `Query Client` directly.

:::

## getAuthQueryClient

```jsx title="example"
const rpc = await client.queryClient.getAuthQueryClient();
await rpc.Account({
  address: '0x0000000000000000000000000000000000000001',
});
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/account-info

## getBankQueryClient

```jsx title="example"
const rpc = await client.queryClient.getBankQueryClient();
await rpc.Balance({
  address: '0x0000000000000000000000000000000000000001',
  denom: 'BNB',
});
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/account-info

## getBridgeQueryClient

```jsx title="example"
const rpc = await client.queryClient.getBridgeQueryClient();
await rpc.Params();
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/bridge-params

## getChallengeQueryClient

```jsx title="example"
const rpc = await client.queryClient.getChallengeQueryClient();
await rpc.Params();
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/attested-challenge

## getCrosschainQueryClient

```jsx title="example"
const rpc = await client.queryClient.getCrosschainQueryClient();
await rpc.Params();
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/attested-challenge

## getFeeGrantQueryClient

```jsx title="example"
const rpc = await client.queryClient.getFeeGrantQueryClient();
await rpc.Params();
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/allowance

## getGashubClient

```jsx title="example"
const rpc = await this.queryClient.getGashubClient();
await rpc.MsgGasParams(request);
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/msg-gas-params

## getPaymentQueryClient

```jsx title="example"
const rpc = await this.queryClient.getPaymentQueryClient();
await rpc.Params();
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/msg-gas-params

## getSpQueryClient

```jsx title="example"
const rpc = await this.queryClient.getSpQueryClient();
await rpc.Params();
```

More apis:
https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/query-global-sp-store-price-by-time

## getStorageQueryClient

```jsx title="example"
const rpc = await client.queryClient.getStorageQueryClient();
await rpc.HeadBucketById({
  bucketId: '1',
});
```

More apis: https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/query-group-members-exist

## getVirtualGroupClient

```jsx title="example"
const rpc = await client.queryClient.getVirtualGroupClient();
await rpc.Params();
```

More apis:
https://docs.bnbchain.org/greenfield-docs/docs/greenfield-api/available-global-virtual-group-families