Lapistry

Lapistry is a small software studio that develops production-grade billing and business tools with full source code included. Their main product, BillFlow, is a utility and metered billing system built with Vue 3, Node/Express, and PostgreSQL, featuring a double-entry ledger and cash payments. They also offer Provora, an embeddable training and LMS platform with verified watch-time and server-graded quizzes. The studio has been building web and mobile products for 10 years and offers services ranging from AI assistants to multi-tenant SaaS back-office systems.

BillFlow is a utility and metered billing system specifically designed for water utilities, sub-metering operators, and HOAs. It includes features like AR aging, revenue-leakage detection, and an append-only ledger where every peso is traced. The system runs on Vue 3, Node/Express, and PostgreSQL, ensuring that every bill and receipt is processed securely without secret edits.

Provora is an embeddable training and LMS platform that verifies watch-time and grades quizzes on the server to prevent cheating. It supports random questions shuffled every attempt and one-time photo ID checks during exams. The platform also generates certificates with unique serials and public check pages that can be locked or revoked.

Lapistry provides AI assistants that answer questions from a company's own documents, policies, and past tickets using retrieval-augmented generation. These agents cite source pages so users can verify answers, and they are built on Claude or OpenAI APIs with private hosting options. The system indexes over 700 technical notes before every task to ensure accurate responses.

Lapistry's website states that both BillFlow and Provora have 2,600+ real customer accounts billed and reconciled to zero variance. The company claims to have shipped these products with live demos that visitors can try today. They emphasize that 100% source code is included so customers own what they pay for.

To get started, visitors can try live demos of BillFlow and Provora directly on the website. The company encourages users to open the demos, click around, and break things to understand the functionality. Both products run on real servers with demo data available for immediate testing.

The company highlights an append-only ledger in BillFlow where every posting is reversible, and they include features for leak detection. They also mention a review inbox with manual approval if a camera fails for their Provora platform. These technical details are part of their stated approach to accuracy and security.

Lapistry mentions that they are open to remote work and have been building products for a decade. They offer services including mobile apps and AI agents and automation workflows using n8n and MCP servers. The company also handles billing, ledgers, inventory, and field service parts where numbers must add up.

Lapistry integrates with Stripe for paid courses within Provora and uses SSO for single sign-on into their own apps. They also offer bulk invites and signup links with approval features for their training platform. The system allows quiz answers to be saved as users go along during the certification process.

The company states that their training platform checks that videos were really watched and confirms who is taking the test. They also mention a public check page for certificates that can be revoked once issued. These features are designed to ensure that the results of training hold up under scrutiny.

You can reach Lapistry by e-mail at [email protected].

The official website of Lapistry is lapistry.dev.

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