https://api.finhub.com/v2/customer
```text`n## Authentication
All Customer API endpoints require OAuth 2.0 authentication. See the [Authentication Guide](/latest/auth/introduction) for details on obtaining and using access tokens.
```http
GET /profiles
Authorization: Bearer {access_token}
```text`n## Rate Limiting
The Customer API implements rate limiting based on your subscription tier:
| Tier | Rate Limit |
|------|------------|
| Starter | 100 requests/minute |
| Professional | 500 requests/minute |
| Enterprise | 2000 requests/minute |
| Custom | Customizable |
## Best Practices
- Implement proper error handling for all API responses
- Cache frequently accessed customer data to reduce API calls
- Use webhook notifications for real-time updates to customer profiles
- Implement proper validation before submitting customer data
- Follow the recommended customer journey flow for optimal user experience
For detailed information on specific endpoints, refer to the relevant sections in the navigation menu.