---
title: Billtyme blog
description: Product decisions and architecture notes about building Billtyme from an internal, agent-first invoicing API into a dependable standalone product.
lastModified: 2026-08-11
sidebar:
  label: Overview
---

Notes from the team as Billtyme grows from an internal API into a standalone invoicing product.

- [Why Billtyme starts with an API](/blog/why-billtyme-starts-with-an-api)