> ## Documentation Index
> Fetch the complete documentation index at: https://docs.moca.network/llms.txt
> Use this file to discover all available pages before exploring further.

# Flutter provider functions

> Call EIP-1193 Ethereum JSON-RPC methods through AirService on Flutter — eth_accounts, eth_chainId, eth_sendTransaction, and more for smart account interactions.

On Flutter, `AirService.sendEthereumRpcRequest` exposes an **EIP-1193-style** surface for common RPC methods. Use it directly or wrap it for libraries like **web3dart**.

<Note>
  **wagmi** is for web React apps. For wagmi, see [Wagmi integration](/recipes/wagmi-integration) and the Web SDK [provider](/airkit/usage/account/provider-functions) docs.
</Note>

## Request and response shapes

See [Reference](/airkit/usage/reference) (Flutter tab) for `EthereumRpcRequest` and `EthereumRpcSuccessResponse`.

## Examples

### `eth_accounts` and `eth_chainId`

```dart theme={null}
final accountsRes = await airService.sendEthereumRpcRequest(
  EthereumRpcRequest(method: 'eth_accounts', params: []),
);
final chainRes = await airService.sendEthereumRpcRequest(
  EthereumRpcRequest(method: 'eth_chainId', params: []),
);
```

### `eth_getBalance`

```dart theme={null}
final address = await airService.getAbstractAccountAddress();
if (address != null) {
  final res = await airService.sendEthereumRpcRequest(
    EthereumRpcRequest(
      method: 'eth_getBalance',
      params: [address, 'latest'],
    ),
  );
}
```

### Switch or add chain

```dart theme={null}
await airService.sendEthereumRpcRequest(
  EthereumRpcRequest(
    method: 'wallet_switchEthereumChain',
    params: [
      {'chainId': '0x1'},
    ],
  ),
);
```

## web3dart

You can implement a thin adapter that forwards `JsonRpc` calls to `sendEthereumRpcRequest`. Keep the adapter in your app repo and test against your SDK version.

## Next steps

* [Wallet operations](/airkit/flutter/wallet-operations)
* [Supported chains](/airkit/usage/account/supported-chains)