Before you ask on the call

Questions from the AP desk

Data handling, Tally compatibility, billing, scan tolerance and why the product only does GST invoices.

Where does your data live, and who sees it?
India-hosted, single tenant. Your invoices and extracted data are never used to train shared models, and are deleted on request. The only humans who touch your documents are the reviewers on your own side; validation is automatic.
Does it work with Tally Prime?
Yes. Export produces files in exact Tally-import format, batched by day or vendor, so your current import routine does not change. Direct push into Tally without the import step is next on the roadmap.
What happens when the extraction is wrong?
Wrong is the point of the validators: a misread digit breaks the checksum or the arithmetic, the entry is blocked, and your operator sees the scan beside the fields with the failing check highlighted. Typical fix time is 10-20 seconds, and every confirmation is logged into the invoice's audit trail.
How bad can the scans be?
The accuracy sweep degraded a fixture invoice through blur, skew up to 5 degrees, Gaussian and salt-and-pepper noise, faded toner, uneven lighting and 72dpi. Every money-critical field stayed exact in all 13 variants. When readability genuinely drops, the extractor omits rather than fabricates, and incomplete invoices are routed to review instead of exported.
Why per-page pricing?
Because it is how document processing is billed across the industry, and it keeps simple invoices cheap: a one-page bill costs ₹1.40, a five-page bundle ₹7.00, and you are never paying for capacity you did not use. EntryLedger reads at roughly a tenth of the $0.04-0.10 per page that enterprise IDP tools charge even on volume plans. Being GST-registered, you recover the GST as input credit anyway.
Why only GST invoices?
Because depth beats breadth for this job. The validators are built around one country's tax rules: GSTIN mod-36 checksums, HSN codes against the directory, GST arithmetic closure, regime consistency. A general document tool treats your invoice as any document; EntryLedger treats it as a GST event. That focus is also why it stays India-hosted at a per-page price.
Can you run it on your own servers?
Today the product ships as a hosted single-tenant service, which keeps onboarding simple. An on-prem appliance is planned for when a customer needs it contractually; the validation spine itself already runs on stock Python with zero dependencies.
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