Handle input validation failures and data format issues
Validate input before sending requests
Display field-specific error messages
Implement client-side validation
Handle authentication and authorization failures
Implement token refresh logic
Redirect to login on 401 errors
Store and validate API keys securely
Handle rate limit exceeded and throttling errors
Implement exponential backoff
Monitor rate limit headers
Queue requests when rate limited
Handle internal server errors and service unavailability
Implement retry mechanisms
Provide fallback mechanisms
