---
layout: default
title: Parameters
permalink: /parameters/
nav_order: 4
expanded: false
has_children: true
description: >-
  Full parameter reference for the HTML/CSS to Image API. Control viewport, device scale, fonts, delays, selectors, and more.
---
# Parameters Reference
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Detailed information on all the available parameters for the API.
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## Parameters

The create image endpoint accepts the following parameters. Accepted as either `json` or `formdata`.

| Name        | Type          | Description |
|:-------------|:------------------|:------|
| **html**† | `String`  | This is the HTML you want to render. You can send an HTML snippet \(`<div>Your content</div>`\) or an entire webpage. |
| **css** | `String` | The CSS for your image. When using with `url` it will be injected into the page. |
| **url**† | `String` | The fully qualified URL to a public webpage. Such as `https://htmlcsstoimage.com`. When passed this will override the html param and will generate a screenshot of the url. |

{% include hint.md title="Required params" text="† Either `url` OR `html` is required, but not both. `css` is optional." %}

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## Additional parameters

Optional parameters for greater control over your image.

{% include additional_parameters.md %}

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