ZeroEntry — 40 seconds per invoice, end-to-end.
Vision LLM + OCR fallback + classification + Tally posting + GSTR-2B reconciliation. Built for Indian CA firms and AP teams drowning in manual invoice entry.
What we set out to solve.
Mid-size Indian CA firms process 200–800 invoices/day across clients. At 7 minutes each manually, that's 23–93 associate hours daily. Errors compound at GSTR-2B reconciliation. Hiring more associates doesn't scale — unit economics break past 50 clients.
What we actually shipped.
Vision LLM extraction
Gemini 2.0 Flash / Claude 3.5 Sonnet Vision for primary extraction. Pulls vendor name, GSTIN, line items, tax breakdown, totals, dates.
OCR fallback
Tesseract for stamped, scanned, handwritten invoices the Vision LLM struggles with. Confidence-routed.
Classification engine
B2B / B2C / RCM / export-LUT / capital goods auto-classified. ITC eligibility flagged.
Tally XML posting
Posts to Tally Prime via XML connector. Audit trail per entry. Vendor master deduplicated against PAN/GSTIN.
GSTR-2B reconciliation
Auto-fetches 2B per client, matches against posted entries, flags mismatches with specific reason codes (rate diff, ITC ineligible, missing in 2B).
Built on the same Indian-stack-native pieces we ship every day.
How it's playing out.
Deployed across CA firms and internal AP teams. Replaces 60–80% of manual data entry. GSTR-2B mismatch resolution moved from Saturday-night to a 30-min Monday morning review. Foundation for the productized GSTR-2B reconciliation SKU.
“We went from 14 hours a week of invoice entry to under 2. The mismatch flag report is what I want from every tool — specific, actionable, not generic.”