diff --git a/src/orpc/client.ts b/src/orpc/client.ts
index b1b8915..43b22fc 100644
--- a/src/orpc/client.ts
+++ b/src/orpc/client.ts
@@ -5,6 +5,7 @@ import { createTanstackQueryUtils } from '@orpc/tanstack-query'
 import { createIsomorphicFn } from '@tanstack/react-start'
 import { getRequestHeaders } from '@tanstack/react-start/server'
 import { router } from './router'
+import type { APIClient } from './types'
 
 const getORPCClient = createIsomorphicFn()
   .server(() =>
@@ -18,9 +19,9 @@ const getORPCClient = createIsomorphicFn()
     const link = new RPCLink({
       url: `${window.location.origin}/api/rpc`,
     })
-    return createORPCClient<RouterClient<typeof router>>(link)
+    return createORPCClient<APIClient>(link)
   })
 
-const client = getORPCClient()
+const client: APIClient = getORPCClient()
 
 export const orpc = createTanstackQueryUtils(client)
diff --git a/src/orpc/types.ts b/src/orpc/types.ts
new file mode 100644
index 0000000..988dcbb
--- /dev/null
+++ b/src/orpc/types.ts
@@ -0,0 +1,4 @@
+import type { RouterClient } from '@orpc/server'
+import type { router } from './router'
+
+export type APIClient = RouterClient<typeof router>