build --type=internal --stack=claude-api,cloudflare,firebase
Internal Build
Expandza LeadGen
An AI-powered B2B lead generation engine. 9-stage pipeline. 150–200 prospects per month. Approximately ₹300–500/month in AI costs.
An AI-powered B2B lead generation engine. 9-stage pipeline. 150–200 prospects per month. Approximately ₹300–500/month in AI costs.
Most lead generation tools are databases with filters. They give you a list of names and leave the qualification, enrichment, and outreach entirely to you.
We needed something different — a system that could not only find prospects but audit their marketing setup, score their fit, generate a personalised pitch approach, and warm them through a nurture sequence automatically. Without a human in the loop for the first seven stages.
The result is Expandza LeadGen — a complete lead capture, scoring, and nurturing platform built on Anthropic Claude (Haiku for speed, Sonnet for depth), Cloudflare Pages and Workers, and Firebase Realtime Database.
A first-party tracking pixel that logs visitor behaviour on the Expandza website — pages visited, time on page, scroll depth, service interest — feeding real-time engagement data to Firebase. DPDP Act 2023 compliant with consent verification and unsubscribe infrastructure.
Claude Haiku runs surface scans on all imported leads for speed. When a lead hits a score threshold, Claude Sonnet runs a deep audit — analysing their current marketing setup, identifying gaps, and generating a personalised pitch deck and pre-call brief specific to that prospect.
Leads are scored in real-time based on email opens, clicks, page views, and declared service interest. Leads progress automatically through TOFU → MOFU → BOFU → Booked. Hot leads trigger sales offers; cold leads enter re-engagement flows.
Automated email sequences via Resend with a manual approval workflow for personalised messages. Score-triggered sends. Google Calendar booking integration — warm leads can book a call directly from the sequence.
Each phase unlocks progressively as the agency grows — ensuring outreach is always matched to the client profile the agency can actually serve well.
The prospecting tab generates search strings for Apollo, Google Maps, LinkedIn, JustDial, and Instagram — with rotation logic across geographies, sub-niches, and search angles to prevent exhaustion.
The system monitors duplicate rates per source and automatically retires exhausted search segments — ensuring the prospect pool stays fresh without manual management.
A fully autonomous lead machine built for under ₹500/month in running costs. The same AI capabilities we use to build this — Anthropic Claude APIs, Cloudflare Workers, Firebase — are available for client builds.
This is not a demo of what is possible. It is a production system we run every day.