# JSONRPC

> **JSONRPC**(`options?`): `HttpHandler`

Defined in: [packages/synapse-core/src/mocks/jsonrpc/index.ts:74](https://github.com/FilOzone/synapse-sdk/blob/dedad9df2a2b92b4d129e93660ac1208ef65c2c1/packages/synapse-core/src/mocks/jsonrpc/index.ts#L74)

Mock JSONRPC server for testing

## Parameters

| Parameter | Type |
| ------ | ------ |
| `options?` | [`JSONRPCOptions`](/reference/filoz/synapse-core/mocks/interfaces/jsonrpcoptions/) |

## Returns

`HttpHandler`