---
title: "PreviewBudgets"
description: "the budget of each speed of the preview, enforced at the preview and nowhere else"
section: concepts
address: /concepts/previewbudgets
contract: 0476e35e6e275db5
---

# PreviewBudgets

the budget of each speed of the preview, enforced at the preview and nowhere else

[figure: PreviewBudgets is a parameter at platform scope. The drawing shows its fields and the objects that they point at.]

| property | value |
|---|---|
| kind | parameter |
| scope | platform |
| key | none |
| store | postgres |
| family | rules_engine |



## Fields


| field | type | required | note |
|---|---|---|---|
| `instant` | [SpeedBudget](/concepts/speedbudget) | yes |  |
| `last_seven_days` | [SpeedBudget](/concepts/speedbudget) | yes |  |
| `whole_record` | [SpeedBudget](/concepts/speedbudget) | yes |  |



## Routes that use it
No route takes or returns PreviewBudgets directly. The record holds it, and the objects that point at it reach it.