diff --git a/CHANGELOG.md b/CHANGELOG.md
index d3647ac1..90bdd8da 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,8 @@
 
 - @cosmjs/cosmwasm: `logs` is no longer exported. Use `logs` from
   @cosmjs/launchpad instead.
+- @cosmjs/cosmwasm: Export `JsonObject`, `ChangeAdminResult` and `WasmData`
+  types as well as `isValidBuilder` and `parseWasmData` functions.
 - @cosmjs/launchpad: Add `Secp256k1Wallet` to manage a single raw secp256k1
   keypair.
 - @cosmjs/launchpad: `OfflineSigner` type’s `sign` method renamed `signAmino`
diff --git a/packages/cosmwasm/src/index.ts b/packages/cosmwasm/src/index.ts
index 692d9bbc..58de667f 100644
--- a/packages/cosmwasm/src/index.ts
+++ b/packages/cosmwasm/src/index.ts
@@ -1,3 +1,4 @@
+export { isValidBuilder } from "./builder";
 export { Expiration } from "./interfaces";
 export { setupWasmExtension, WasmExtension } from "./lcdapi/wasm";
 
@@ -32,6 +33,7 @@ export {
   VotersResult,
 } from "./cw3cosmwasmclient";
 export {
+  ChangeAdminResult,
   ExecuteResult,
   CosmWasmFeeTable,
   InstantiateOptions,
@@ -55,3 +57,4 @@ export {
   MsgUpdateAdmin,
   MsgStoreCode,
 } from "./msgs";
+export { JsonObject, parseWasmData, WasmData } from "./types";
diff --git a/packages/cosmwasm/src/types.ts b/packages/cosmwasm/src/types.ts
index bba7fc95..22297605 100644
--- a/packages/cosmwasm/src/types.ts
+++ b/packages/cosmwasm/src/types.ts
@@ -22,6 +22,6 @@ export function parseWasmData({ key, val }: WasmData): Model {
 
 /**
  * An object containing a parsed JSON document. The result of JSON.parse().
- * This doen't privide any type safety over `any` but expresses intent in the code.
+ * This doesn't provide any type safety over `any` but expresses intent in the code.
  */
 export type JsonObject = any;
diff --git a/packages/cosmwasm/types/index.d.ts b/packages/cosmwasm/types/index.d.ts
index 071e9351..f1e73997 100644
--- a/packages/cosmwasm/types/index.d.ts
+++ b/packages/cosmwasm/types/index.d.ts
@@ -1,3 +1,4 @@
+export { isValidBuilder } from "./builder";
 export { Expiration } from "./interfaces";
 export { setupWasmExtension, WasmExtension } from "./lcdapi/wasm";
 export { BankMsg, CosmosMsg, CustomMsg, StakingMsg, WasmMsg } from "./cosmosmsg";
@@ -31,6 +32,7 @@ export {
   VotersResult,
 } from "./cw3cosmwasmclient";
 export {
+  ChangeAdminResult,
   ExecuteResult,
   CosmWasmFeeTable,
   InstantiateOptions,
@@ -54,3 +56,4 @@ export {
   MsgUpdateAdmin,
   MsgStoreCode,
 } from "./msgs";
+export { JsonObject, parseWasmData, WasmData } from "./types";
diff --git a/packages/cosmwasm/types/types.d.ts b/packages/cosmwasm/types/types.d.ts
index 45d870c7..2109a730 100644
--- a/packages/cosmwasm/types/types.d.ts
+++ b/packages/cosmwasm/types/types.d.ts
@@ -9,6 +9,6 @@ export interface Model {
 export declare function parseWasmData({ key, val }: WasmData): Model;
 /**
  * An object containing a parsed JSON document. The result of JSON.parse().
- * This doen't privide any type safety over `any` but expresses intent in the code.
+ * This doesn't provide any type safety over `any` but expresses intent in the code.
  */
 export declare type JsonObject = any;