AI API Integration: React Frontend on FastAPI
Over 20 endpoints of a Python/FastAPI backend wired to a React/Next.js frontend, load time under 2 seconds. Eight months of work.
The Challenge
An AI software provider needed a performant frontend for its existing Python/FastAPI-based platform. The existing user interface met neither the UX requirements nor the performance standards of modern web applications. At the same time, integration with existing backend systems had to work seamlessly.
Our Approach
We developed modular Next.js components based on Figma UI/UX designs and integrated them reliably into the existing FastAPI infrastructure. The focus was on performance optimization, clean API integrations, and a maintainable component architecture that the client’s development team can carry forward long-term.
The Results
The new frontend achieves load times under two seconds and is stably connected to the backend through more than 20 API endpoints. The component-based architecture enables rapid feature extensions, and the Figma-based designs ensure a consistent user experience.
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