diff --git a/src/api/errors.ts b/src/api/errors.ts
index 1da7531..48a8766 100644
--- a/src/api/errors.ts
+++ b/src/api/errors.ts
@@ -63,7 +63,62 @@ export function isShortDomainError(error: MaybeError): error is ShortDomainError
   return typeof error === 'string'
 }
 
+/**
+ * Express-validator error format
+ */
+interface ValidationError {
+  type: string
+  value: string
+  msg: string
+  path: string
+  location: string
+}
+
+/**
+ * Service error format (e.g., ZeroBounce)
+ */
+interface ServiceErrorResponse {
+  status: 'error'
+  message: string
+}
+
+function isValidationErrorArray(data: unknown): data is ValidationError[] {
+  return Array.isArray(data) && data.length > 0 && 'msg' in data[0] && 'path' in data[0]
+}
+
+function isServiceErrorResponse(data: unknown): data is ServiceErrorResponse {
+  return typeof data === 'object' && data !== null && 'status' in data && 'message' in data
+}
+
+/**
+ * Extract error message from ApiError
+ * Handles multiple formats:
+ * 1. { errors: [{ msg, path }] } - express-validator
+ * 2. { status: "error", message: "..." } - service errors (ZeroBounce)
+ * 3. { error: "..." } - single error
+ * 4. { errors: { base: [...] } } - base errors
+ */
 export function extractErrorMessage(apiError: ApiError): string {
+  const responseData = apiError.responseData
+  
+  // Check for service error format: { status: "error", message: "..." }
+  if (isServiceErrorResponse(responseData)) {
+    return responseData.message
+  }
+  
+  // Check for express-validator format: { errors: [{ msg, path }] }
+  if (responseData && typeof responseData === 'object' && 'errors' in responseData) {
+    const errors = (responseData as { errors: unknown }).errors
+    if (isValidationErrorArray(errors)) {
+      const emailError = errors.find(e => e.path === 'email')
+      if (emailError) {
+        return emailError.msg
+      }
+      return errors[0].msg
+    }
+  }
+  
+  // Fallback to original logic for other formats
   const body = isSingleErrorResponse(apiError.body) ? [apiError.body.error] : apiError.body.errors
   const errors = Array.isArray(body) ? body : body.base
   const firstError = errors.at(0)
@@ -78,3 +133,24 @@ export function extractErrorMessage(apiError: ApiError): string {
   }
   return firstError.title
 }
+
+/**
+ * Extract email suggestion from error message
+ * Parses "Did you mean user@gmail.com?" format
+ */
+export function extractEmailSuggestion(apiError: ApiError): string | null {
+  const responseData = apiError.responseData
+  
+  if (responseData && typeof responseData === 'object' && 'errors' in responseData) {
+    const errors = (responseData as { errors: unknown }).errors
+    if (isValidationErrorArray(errors)) {
+      const emailError = errors.find(e => e.path === 'email')
+      if (emailError) {
+        const match = emailError.msg.match(/Did you mean (.+)\?/)
+        return match ? match[1] : null
+      }
+    }
+  }
+  
+  return null
+}
diff --git a/src/hooks/authentication/use-authentication.ts b/src/hooks/authentication/use-authentication.ts
index aacc1d4..16d9ccb 100644
--- a/src/hooks/authentication/use-authentication.ts
+++ b/src/hooks/authentication/use-authentication.ts
@@ -1,4 +1,5 @@
 import { ErrorPayload, useApi } from "@/api";
+import { ApiError, extractErrorMessage, extractEmailSuggestion } from "@/api/errors";
 import { EGender, ESourceAuthorization, ICreateAuthorizePayload, ICreateAuthorizeResponse } from "@/api/resources/User";
 import { useAuth } from "@/auth";
 import { getClientTimezone } from "@/locales";
@@ -23,6 +24,7 @@ export const useAuthentication = () => {
     const { updateSession } = useSession();
     const [isLoading, setIsLoading] = useState(false);
     const [error, setError] = useState<string | null>(null);
+    const [suggestedEmail, setSuggestedEmail] = useState<string | null>(null);
     const [token, setToken] = useState<string | null>(null);
     const { user, signUp } = useAuth();
     const locale = i18n.language;
@@ -215,8 +217,17 @@ export const useAuthentication = () => {
                 metricService.reachGoal(EGoals.ROSE_VIDEO_CREATION_START, [EMetrics.YANDEX, EMetrics.KLAVIYO]);
             }
             dispatch(actions.status.update("registred"));
-        } catch (error) {
-            setError((error as Error).message);
+        } catch (err) {
+            // Extract error message from API error
+            if (err instanceof ApiError) {
+                const message = extractErrorMessage(err);
+                const suggestion = extractEmailSuggestion(err);
+                setError(message);
+                setSuggestedEmail(suggestion);
+            } else {
+                setError((err as Error).message);
+                setSuggestedEmail(null);
+            }
         } finally {
             setIsLoading(false);
         }
@@ -251,31 +262,44 @@ export const useAuthentication = () => {
                 metricService.reachGoal(EGoals.ROSE_VIDEO_CREATION_START, [EMetrics.YANDEX, EMetrics.KLAVIYO]);
             }
             dispatch(actions.status.update("registred"));
-        } catch (error) {
-            setError((error as Error).message);
+        } catch (err) {
+            if (err instanceof ApiError) {
+                setError(extractErrorMessage(err));
+            } else {
+                setError((err as Error).message);
+            }
         } finally {
             setIsLoading(false);
         }
     }, [api, dispatch, getAuthorizationPayload, signUp])
 
+    const clearError = useCallback(() => {
+        setError(null);
+        setSuggestedEmail(null);
+    }, []);
+
     return useMemo(
         () => ({
             isLoading,
             error,
+            suggestedEmail,
             token,
             user,
             authorization,
             authorizationWithPassword,
-            anonymousAuthorization
+            anonymousAuthorization,
+            clearError
         }),
         [
             isLoading,
             error,
+            suggestedEmail,
             token,
             user,
             authorization,
             authorizationWithPassword,
-            anonymousAuthorization
+            anonymousAuthorization,
+            clearError
         ]
     );
 }