diff --git a/apps/frontend/src/main/claude-profile/profile-utils.test.ts b/apps/frontend/src/main/claude-profile/profile-utils.test.ts
new file mode 100644
index 00000000..2c090d83
--- /dev/null
+++ b/apps/frontend/src/main/claude-profile/profile-utils.test.ts
@@ -0,0 +1,108 @@
+/**
+ * Tests for profile-utils module
+ */
+
+import { describe, it, expect } from 'vitest';
+import { isAPIProfileAuthenticated } from './profile-utils';
+import type { APIProfile } from '../../shared/types';
+
+describe('isAPIProfileAuthenticated', () => {
+  it('should return true when both apiKey and baseUrl are present and non-empty', () => {
+    const validProfile: APIProfile = {
+      id: 'test-1',
+      name: 'Test Profile',
+      baseUrl: 'https://api.anthropic.com',
+      apiKey: 'sk-ant-api03-test',
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    };
+
+    expect(isAPIProfileAuthenticated(validProfile)).toBe(true);
+  });
+
+  it('should return false when apiKey is missing', () => {
+    const profileWithoutApiKey: APIProfile = {
+      id: 'test-2',
+      name: 'Test Profile',
+      baseUrl: 'https://api.anthropic.com',
+      apiKey: '',
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    };
+
+    expect(isAPIProfileAuthenticated(profileWithoutApiKey)).toBe(false);
+  });
+
+  it('should return false when baseUrl is missing', () => {
+    const profileWithoutBaseUrl: APIProfile = {
+      id: 'test-3',
+      name: 'Test Profile',
+      baseUrl: '',
+      apiKey: 'sk-ant-api03-test',
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    };
+
+    expect(isAPIProfileAuthenticated(profileWithoutBaseUrl)).toBe(false);
+  });
+
+  it('should return false when apiKey is only whitespace', () => {
+    const profileWithWhitespaceApiKey: APIProfile = {
+      id: 'test-4',
+      name: 'Test Profile',
+      baseUrl: 'https://api.anthropic.com',
+      apiKey: '   ',
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    };
+
+    expect(isAPIProfileAuthenticated(profileWithWhitespaceApiKey)).toBe(false);
+  });
+
+  it('should return false when baseUrl is only whitespace', () => {
+    const profileWithWhitespaceBaseUrl: APIProfile = {
+      id: 'test-5',
+      name: 'Test Profile',
+      baseUrl: '   ',
+      apiKey: 'sk-ant-api03-test',
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    };
+
+    expect(isAPIProfileAuthenticated(profileWithWhitespaceBaseUrl)).toBe(false);
+  });
+
+  it('should return false when both apiKey and baseUrl are missing', () => {
+    const profileWithoutCredentials: APIProfile = {
+      id: 'test-6',
+      name: 'Test Profile',
+      baseUrl: '',
+      apiKey: '',
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    };
+
+    expect(isAPIProfileAuthenticated(profileWithoutCredentials)).toBe(false);
+  });
+
+  it('should return false when profile is undefined', () => {
+    expect(isAPIProfileAuthenticated(undefined as any)).toBe(false);
+  });
+
+  it('should return false when profile is null', () => {
+    expect(isAPIProfileAuthenticated(null as any)).toBe(false);
+  });
+
+  it('should handle profiles with apiKey and baseUrl containing leading/trailing whitespace', () => {
+    const profileWithWhitespace: APIProfile = {
+      id: 'test-7',
+      name: 'Test Profile',
+      baseUrl: '  https://api.anthropic.com  ',
+      apiKey: '  sk-ant-api03-test  ',
+      createdAt: Date.now(),
+      updatedAt: Date.now(),
+    };
+
+    expect(isAPIProfileAuthenticated(profileWithWhitespace)).toBe(true);
+  });
+});
diff --git a/apps/frontend/src/main/claude-profile/profile-utils.ts b/apps/frontend/src/main/claude-profile/profile-utils.ts
index de32b1d5..c6799a6e 100644
--- a/apps/frontend/src/main/claude-profile/profile-utils.ts
+++ b/apps/frontend/src/main/claude-profile/profile-utils.ts
@@ -6,7 +6,7 @@
 import { homedir } from 'os';
 import { join } from 'path';
 import { existsSync, readFileSync, readdirSync, mkdirSync } from 'fs';
-import type { ClaudeProfile } from '../../shared/types';
+import type { ClaudeProfile, APIProfile } from '../../shared/types';
 import { getCredentialsFromKeychain } from './credential-utils';
 
 /**
@@ -203,6 +203,26 @@ export function hasValidToken(profile: ClaudeProfile): boolean {
   return true;
 }
 
+/**
+ * Check if an API profile has valid authentication credentials.
+ * Validates that both apiKey and baseUrl are present and non-empty.
+ *
+ * @param profile - The API profile to check
+ * @returns true if the profile has both apiKey and baseUrl, false otherwise
+ */
+export function isAPIProfileAuthenticated(profile: APIProfile): boolean {
+  // Check for presence of required fields
+  if (!profile?.apiKey || !profile?.baseUrl) {
+    return false;
+  }
+
+  // Validate that the fields are non-empty strings (after trimming whitespace)
+  const hasValidApiKey = typeof profile.apiKey === 'string' && profile.apiKey.trim().length > 0;
+  const hasValidBaseUrl = typeof profile.baseUrl === 'string' && profile.baseUrl.trim().length > 0;
+
+  return hasValidApiKey && hasValidBaseUrl;
+}
+
 /**
  * Expand ~ in path to home directory
  */
diff --git a/apps/frontend/src/shared/types/index.ts b/apps/frontend/src/shared/types/index.ts
index 9ac42f76..bb45441c 100644
--- a/apps/frontend/src/shared/types/index.ts
+++ b/apps/frontend/src/shared/types/index.ts
@@ -11,6 +11,7 @@ export * from './task';
 export * from './kanban';
 export * from './terminal';
 export * from './agent';
+export * from './profile';
 export * from './settings';
 export * from './changelog';
 export * from './insights';
diff --git a/apps/frontend/src/shared/types/profile.ts b/apps/frontend/src/shared/types/profile.ts
index 44454143..6abe8799 100644
--- a/apps/frontend/src/shared/types/profile.ts
+++ b/apps/frontend/src/shared/types/profile.ts
@@ -1,3 +1,5 @@
+import type { ClaudeUsageData, ClaudeRateLimitEvent } from './agent';
+
 /**
  * API Profile Management Types
  *
@@ -27,6 +29,10 @@ export interface APIProfile {
   };
   createdAt: number; // Unix timestamp (ms)
   updatedAt: number; // Unix timestamp (ms)
+  /** Current usage data from API */
+  usage?: ClaudeUsageData;
+  /** Recent rate limit events for this profile */
+  rateLimitEvents?: ClaudeRateLimitEvent[];
 }
 
 /**