AI-Powered Geo-Location Discovery Agent
Intelligent geo-location aware AI chatbot that helps users discover places, services, and information near them through natural conversation
Project Overview
The client needed a modern, intelligent alternative to traditional map search interfaces—one that understands natural language and provides contextual recommendations based on user location and preferences.
The Challenge
Building a conversational AI that can intelligently orchestrate multiple APIs (Places, Distance Matrix, Search) while maintaining conversation context, handling multi-step reasoning, and delivering a seamless real-time user experience.
Our Solution
Developed a full-stack solution with LangChain-powered agent orchestration on the backend using FastAPI, integrated with Google Places API v1 and Distance Matrix for location intelligence, and built a beautiful React 19 frontend with WebSocket support for real-time streaming conversations.
Key Features
LangChain Agent Orchestration
Intelligent agent that dynamically selects and chains tools (Places search, distance calculation, web search) based on user intent using GPT-4o-mini for reasoning.
Location-Aware Search
Google Places API v1 integration with location biasing that works globally, providing relevant results based on user's current or specified location.
Real-Time Streaming Chat
WebSocket-based chat with streaming AI responses, conversation history persistence via Supabase, and beautiful React UI with gradient accents.
Multi-Source Intelligence
Combines Places data, Distance Matrix for ETAs, Tavily web search for general knowledge, and translation services for multi-language support.
Technical Challenges & Solutions
Multi-Step Agent Reasoning
Building an agent that can intelligently decide when to search for places, calculate distances, or fetch general information while maintaining conversation context.
Solution: Implemented LangChain agent with custom tool definitions, dynamic prompting, and GPT-4o-mini for efficient intent extraction and reasoning.
Real-Time Streaming Architecture
Delivering streaming AI responses through WebSockets while managing conversation state and history persistence.
Solution: Built FastAPI WebSocket handlers with async streaming, integrated Supabase for real-time data sync, and implemented efficient state management.
Location Biasing Accuracy
Ensuring accurate, relevant results across different regions and handling various location input formats (coordinates, addresses, cities).
Solution: Developed geocoding helpers, implemented location normalization, and optimized Google Places API parameters for global coverage.
API Cost Optimization
Managing costs across multiple paid APIs (OpenAI, Google Places, Distance Matrix) while maintaining quality.
Solution: Implemented intelligent caching, request batching, and strategic use of GPT-4o-mini vs GPT-4 based on task complexity.
Project Timeline
Discovery & Architecture
System design, API evaluation, and technical planning
Backend Development
FastAPI backend, LangChain agent, API integrations
Frontend Development
React 19 UI with real-time chat capabilities
Testing & Optimization
Performance tuning, testing, and refinement
Deployment & Launch
Production deployment and documentation