diff --git a/js/src/client.ts b/js/src/client.ts
index fab3f6b23..05b1a602b 100644
--- a/js/src/client.ts
+++ b/js/src/client.ts
@@ -42,7 +42,7 @@ import {
 import { __version__ } from "./index.js";
 import { assertUuid } from "./utils/_uuid.js";
 
-interface ClientConfig {
+export interface ClientConfig {
   apiUrl?: string;
   apiKey?: string;
   callerOptions?: AsyncCallerParams;
diff --git a/js/src/index.ts b/js/src/index.ts
index e1f22e0e3..9aab556f7 100644
--- a/js/src/index.ts
+++ b/js/src/index.ts
@@ -1,4 +1,4 @@
-export { Client } from "./client.js";
+export { Client, type ClientConfig } from "./client.js";
 
 export type {
   Dataset,