# JSONRPC

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

Defined in: [packages/synapse-core/src/mocks/jsonrpc/index.ts:82](https://github.com/FilOzone/synapse-sdk/blob/5c31b47e3675e21383f06b1a7ff75558cd3c9d14/packages/synapse-core/src/mocks/jsonrpc/index.ts#L82)

Mock JSONRPC server for testing

## Parameters

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

## Returns

`HttpHandler`