Hamed Rezaie
Custom filters
Category, city, keyword and price range for every search.
Web Platforms & Software · Monitoring & Alert System
Didban — Automatic monitoring of new listings with instant Telegram alerts
Monitors new listings against custom filters and sends them instantly to Telegram, with a web admin panel.
Built withPythonFastAPITelegram BotSQLite
OVERVIEW
About the Didban project
Didban is a monitoring system that continuously checks new listings against defined filters such as category, city and price range, and notifies the user on Telegram as soon as a matching listing is published.
For people looking for buying opportunities — cars, property or second-hand goods — seeing a listing a few minutes earlier makes all the difference. Didban provides those few minutes without constant refreshing.
Challenge
Continuous monitoring had to be lightweight, stable and gentle on the source, duplicates had to be removed and messages had to reach the user without delay.
Solution
The system was built as an independent Python service with controlled scheduling that stores every listing it has seen so no message is ever repeated. Alerts are sent through a Telegram bot, and a web panel lets the administrator define filters and manage the system. Login to the panel works with a password or a code from the Telegram bot.
InstantTelegram alerts
24/7continuous monitoring
No repeatsevery listing once
Web + bottwo ways to manage
KEY FEATURES
Key features of Didban
Instant alerts
Matching listings sent to Telegram as soon as they are published.
No duplicates
Every listing is sent only once.
Web admin panel
Manage filters, users and system status from the browser.
Login with a bot code
Sign in to the panel with a one-time code from the bot.
Light and stable
Runs as an independent service with resource limits and automatic restart.
What we delivered
- 01Monitoring service with controlled scheduling
- 02Telegram bot for alerts
- 03Web panel for managing filters
- 04Login with password or bot code
- 05Stable operation as a server service
The value we created
Without constant refreshing, users see the listings that match their needs minutes before everyone else — a decisive advantage in a market of buying opportunities.
Technologies used
PythonFastAPITelegram BotSQLite
Services in this project
Next projectPhone 2 — Online Mobile Phone Store
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