diff --git a/package.json b/package.json
index 36ad2f7..23e989f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@utxos/sdk",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "UTXOS SDK - Web3 infrastructure platform for UTXO blockchains",
   "main": "./dist/index.cjs",
   "browser": "./dist/index.js",
diff --git a/src/non-custodial/index.ts b/src/non-custodial/index.ts
index a95f6f2..90320b0 100644
--- a/src/non-custodial/index.ts
+++ b/src/non-custodial/index.ts
@@ -545,6 +545,9 @@ export class Web3NonCustodialProvider {
         appleSearchParams.toString();
       callback(appleAuthorizeUrl);
       return;
+    } else if (provider === "email") {
+      // Email uses OTP flow, not OAuth - this method should not be called for email
+      throw new Error("Email provider uses OTP flow. Use the email OTP API endpoints instead.");
     }
   }