diff --git a/packages/sdk/src/cosmwasmclient.ts b/packages/sdk/src/cosmwasmclient.ts
index 18b5319d..23cd62d4 100644
--- a/packages/sdk/src/cosmwasmclient.ts
+++ b/packages/sdk/src/cosmwasmclient.ts
@@ -50,7 +50,7 @@ export interface SigningCallback {
   (signBytes: Uint8Array): Promise<StdSignature>;
 }
 
-interface SigningData {
+export interface SigningData {
   readonly senderAddress: string;
   readonly signCallback: SigningCallback;
 }
diff --git a/packages/sdk/src/index.ts b/packages/sdk/src/index.ts
index 4483ad8d..b9e0ee97 100644
--- a/packages/sdk/src/index.ts
+++ b/packages/sdk/src/index.ts
@@ -15,6 +15,8 @@ export {
   SearchByIdQuery,
   SearchBySentFromOrToQuery,
   SearchTxQuery,
+  SigningCallback,
+  SigningData,
 } from "./cosmwasmclient";
 export { makeCosmoshubPath, Pen, PrehashType, Secp256k1Pen } from "./pen";
 export {