Telegram bot with integration for managing Keitaro leads

Problem: The client used Keitaro for lead tracking, but managers spent a lot of time checking the admin panel and processing applications, which led to customer loss due to slow response times.
Solution: Developed a system that integrates Keitaro with Telegram for instant notifications of new leads from various sites in a single Telegram channel and management through interactive buttons in the channel. Also organized tracking of lead statuses, transmitting changes in their statuses to Keitaro, and forwarding them back to advertising sources.
Technologies: Node.js, Express, Telegram Bot API, integration with Keitaro Tracker API
Key features:

Instant notifications about new leads in a private Telegram channel
Interactive buttons to change status (take into work, mark as paid, reject)
Full history of actions with each lead directly in the Telegram message
Synchronization of statuses and actions with Keitaro for analytics
Tracking the effectiveness of managers
Working with a subdomain of the main site for seamless integration

Technical features:

Secure webhook request processing system with authorization
Implementation without using premium API, only standard Keitaro functions
Mechanism for storing and managing lead statuses with reaction time tracking
Reverse synchronization via postbacks to ensure data integrity

Result: Manager response time to new leads was reduced from hours to minutes, lead-to-sale conversion increased by 35%, and transparency of the customer work process significantly improved.