Multilingual Blog Generator

Overview

This project generates blog content in multiple languages using a language model pipeline built with LangChain and FastAPI.

The system:

• Accepts a topic and optional target language
• Generates a blog title and content
• Routes the content for translation if a specific language is requested
• Supports Arabic and French translations

Features

• Dynamic content generation based on user topic input
• Multilingual support with translation nodes
• Conditional routing to select translation path
• REST API endpoint to generate blogs
• Graph-based workflow for modularity and scalability

Workflow Diagram

API Endpoint

POST /blogs

Request Body Examples

{
  "topic": "Agentic AI"
}

{
  "topic": "Agentic AI",
  "language": "Arabic"
}

Response Example

{
  "data": {
    "title": "Exploring Agentic AI",
    "content": "..."
  }
}

How It Works

1. Topic only → Generate blog in default language
2. Topic + Language → Generate blog then translate
3. Graph nodes:
   • title_creation → Generates blog title
   • content_generation → Produces blog content
   • route → Decides translation path
   • arabic_translation / french_translation → Translates to target language

Tech Stack

• FastAPI for API endpoints
• LangChain for LLM workflow
• Graph-based pipeline for modular execution
• Groq LLM as the language model backend
• Python-dotenv for environment management