diff --git a/packages/stack-shared/src/interface/clientInterface.ts b/packages/stack-shared/src/interface/clientInterface.ts
index 691d1914e..f02f9f524 100644
--- a/packages/stack-shared/src/interface/clientInterface.ts
+++ b/packages/stack-shared/src/interface/clientInterface.ts
@@ -356,7 +356,8 @@ export class StackClientInterface {
   }
 
   async sendVerificationEmail(
-    emailVerificationRedirectUrl: string,
+    email: string,
+    callbackUrl: string,
     session: InternalSession
   ): Promise<KnownErrors["EmailAlreadyVerified"] | undefined> {
     const res = await this.sendClientRequestAndCatchKnownError(
@@ -367,7 +368,8 @@ export class StackClientInterface {
           "Content-Type": "application/json"
         },
         body: JSON.stringify({
-          emailVerificationRedirectUrl,
+          email,
+          callback_url: callbackUrl,
         }),
       },
       session,
diff --git a/packages/stack/src/lib/stack-app.ts b/packages/stack/src/lib/stack-app.ts
index 7d6289d74..ec60612ff 100644
--- a/packages/stack/src/lib/stack-app.ts
+++ b/packages/stack/src/lib/stack-app.ts
@@ -804,7 +804,10 @@ class _StackClientAppImpl<HasTokenStore extends boolean, ProjectId extends strin
         return app._updateClientUser(update, session);
       },
       sendVerificationEmail() {
-        return app._sendVerificationEmail(session);
+        if (!crud?.primary_email) {
+          throw new StackAssertionError("User does not have a primary email");
+        }
+        return app._sendVerificationEmail(crud.primary_email, session);
       },
       updatePassword(options: { oldPassword: string, newPassword: string}) {
         return app._updatePassword(options, session);
@@ -904,8 +907,6 @@ class _StackClientAppImpl<HasTokenStore extends boolean, ProjectId extends strin
       }
     }
 
-    console.log("HIIIIIIIIIIIII", handlerName, url, new Error());
-
     await this._redirectIfTrusted(url, options);
   }
 
@@ -1097,9 +1098,9 @@ class _StackClientAppImpl<HasTokenStore extends boolean, ProjectId extends strin
     await this.redirectToAfterSignOut();
   }
 
-  protected async _sendVerificationEmail(session: InternalSession): Promise<KnownErrors["EmailAlreadyVerified"] | void> {
+  protected async _sendVerificationEmail(email: string, session: InternalSession): Promise<KnownErrors["EmailAlreadyVerified"] | void> {
     const emailVerificationRedirectUrl = constructRedirectUrl(this.urls.emailVerification);
-    return await this._interface.sendVerificationEmail(emailVerificationRedirectUrl, session);
+    return await this._interface.sendVerificationEmail(email, emailVerificationRedirectUrl, session);
   }
 
   protected async _updatePassword(