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A FastAPI-based proxy gateway service with WebSocket support and advanced traffic management capabilities.

Explore Features

Key Features

Everything you need to run a high-performance proxy gateway — from protocol relay to remote management.

FastAPI Gateway

High-performance HTTP/WebSocket proxy server

VLESS Relay

Protocol support for advanced proxy configurations

Speed Limiting

Built-in traffic management and bandwidth control

Telegram Bot Integration

Remote monitoring and control capabilities

WebSocket Support

Real-time bidirectional communication

Persistent State

Data persistence across service restarts

HTTP/2 Support

Modern protocol compatibility

Tech Stack

A modern, async-first toolkit built for performance and reliability.

FastAPI 0.104.1 — Modern async web framework

Uvicorn — ASGI server with standard extras

HTTPX — Async HTTP client with HTTP/2 support

WebSockets 12.0 — Real-time communication

aiofiles — Async file operations

Architecture

The service consists of several key components:

main.py          # Core FastAPI application and gateway logic
relay_vless.py   # VLESS protocol relay implementation
speed_limit.py   # Traffic management and bandwidth control
telegram_bot.py  # Telegram bot for remote management
pages.py         # Web interface pages
xhttp_siz10.py   # HTTP extensions and utilities

Configuration

The gateway supports environment-based configuration:

DATA_DIR

Data persistence directory (default: /data)

SECRET_KEY

Authentication secret (auto-generated if not set)

State is persisted to disk to maintain consistency across service restarts, particularly important for hosted environments like Railway where periodic restarts occur.

Getting Started

Install dependencies: pip install -r requirements.txt
Run the service: python main.py
Access the gateway endpoints as configured

The service includes CORS middleware and timezone support (Asia/Tehran) for international deployment.

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