# Function: createTRPCUntypedClient()

> 

> **createTRPCUntypedClient**\<`TRouter`\>(`opts`): [`TRPCUntypedClient`](https://trpc.io/docs/typedoc/client/index/classes/TRPCUntypedClient.md)\<`TRouter`\>

Defined in: [packages/client/src/createTRPCUntypedClient.ts:9](https://github.com/trpc/trpc/blob/7c907acfd8b31929214792e3b8c2ad7a8ac72563/packages/client/src/createTRPCUntypedClient.ts#L9)

Creates a client that calls procedures by path string, without types.
Meant for libraries built on tRPC; apps should use `createTRPCClient`.

## Type Parameters

| Type Parameter |
| ------ |
| `TRouter` *extends* `AnyRouter` |

## Parameters

| Parameter | Type |
| ------ | ------ |
| `opts` | `CreateTRPCClientOptions`\<`TRouter`\> |

## Returns

[`TRPCUntypedClient`](https://trpc.io/docs/typedoc/client/index/classes/TRPCUntypedClient.md)\<`TRouter`\>