> For the complete documentation index, see [llms.txt](https://developers.share.inc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.share.inc/concepts/data-model.md).

# Data model

> **Placeholder page.** Full content tracked under the docs content effort.

Core entities:

* **Provider** — the partner ISP. Owns subscribers, plans, demarcation points.
* **Subscriber** — an end customer of a provider.
* **Plan** — a sellable product (speed, price, billing cadence).
* **Subscription** — a binding between a subscriber and a plan over time.
* **DemarcationPoint** — the physical handover (tower, building, …).
* **PaymentTransaction** — a single inbound or outbound money movement.

Diagram and field-level detail land in the next pass.