How to Build 5 AI Apps with Just One API Key (LLMs, Image Gen, TTS, Translation & More)

If you've ever wanted to build AI apps but hate juggling multiple API keys, documentation, and billing systems — this is for you.

The All-in-One AI API lets you access 15+ top AI models and tools with one key and one endpoint.

🚀 What You Can Build

1. Multi-LLM Chatbot
   Switch between GPT-4.1 Mini, DeepSeek V3, Llama 3.3, and Grok 3 Mini without changing API providers.

2. AI Image Generator
   Use Flux v2, Flux Schnell, or Kling Image2Image to create stunning visuals.

3. Real-Time Translator
   Auto-detect and translate text instantly into any language.

4. Text-to-Speech Assistant
   Generate realistic speech in multiple male & female voices.

5. Utility Tools
   Check username availability, detect IP/location/device, and manage temporary emails.

https://rapidapi.com/FreeCode911/api/flux-api-4-custom-models-100-style