Building an AI-Powered Travel Planner (Matargashti) with Smart Caching and Controlled Fetching

The article discusses building an AI-powered travel planner app called matargashti, which uses OpenAI SDK and OpenRouter. The app's main challenge was controlling API calls to reduce costs and improve performance. The solution involved separating form state and query state, and using React Query to handle data and loading states. This resulted in a better user experience and reduced unnecessary API calls.