ConstaLabs · AI-assisted delivery

GST e-Invoice integration scoping kit

Turn your current billing workflow into a reviewable pilot brief in a few minutes. Nothing entered here is uploaded or stored.

Company or project Contact name Current billing system Preferred integration Approximate invoices per month Target timeline

Required capabilities

Invoice validation IRP payload generation IRN submission and status handling Signed QR code and invoice output Cancellation workflow Audit logs and reconciliation

Constraints or existing API provider

Your integration brief

Request a scoped quote

Indicative pilot engagements start at US$149 (or equivalent USDC). Final scope, acceptance criteria, price, and payment method are agreed before work begins.

What the pilot establishes

A documented input-to-IRP payload mapping.
Validation and error-handling behavior using non-sensitive sample data.
A reviewable integration artifact and reproducible acceptance checks.
A production rollout recommendation without claiming GST or legal advice.

Machine-readable intake

Already have structured requirements? Validate them locally before requesting an estimate.

Open JSON validator Open mapping workbench Run acceptance tests Compare payloads Redact sample JSON Download JSON Schema