Tutorial14 min read
Building Kookachat: a Telegram Interview-Prep Bot with LangGraph + OpenRouter
I built Kookachat, a Telegram bot that generates interview questions and gives you feedback on how you answer them, using LangGraph to route the conversation and OpenRouter to call the LLM. Here's the architecture, the graphs and the full setup, from BotFather to ngrok to webhooks and all the rest.
By Almira