AI-Powered Alt Text API for Image Accessibility

From STEM diagrams to charts, maps, and infographics, generate image descriptions quickly with AI-powered automation.

Reduce costs significantly by lowering manual authoring

Get consistent alt text across complex visual content

Use structured templates and custom formatting for consistent output

Who is Image Alt Text API For?

Designed for teams managing high volumes of visual content across formats and workflows.

Education, K12 and Higher Ed

STEM diagrams, maps, charts, graphs, and lab illustrations at scale.

Publishing

Textbooks, research journals, and editorial content.

Government and Public Sector

Public facing digital content such as forms, files, reports, etc.

Finance

Charts, statements, and complex data visuals, including structured and tabular content.

Content Platforms

User generated images and large volumes of uploaded visuals.

Why Choose Our Image Alt Text API for Bulk Processing?

A REST-based API that generates concise, contextual, and subject-specific alt text across large volumes of visual content.

Handles Simple and Complex Visuals

Generate alt text for everything from editorial images to charts, maps, STEM diagrams, chemical structures, and infographics.

Meaningful and Precise Descriptions

Produce image descriptions that reflect the type, subject, and context of the visual, helping create more useful alt text.

Accessibility Aligned Output

Generate alt text aligned with WCAG 2.2 guidance and image description best practices for accessibility focused workflows.

Built for Scale and Speed

Tackle image descriptions for hundreds or thousands of visuals, faster and more efficiently with an API designed for large-scale content workflows.

Lower Manual Effort and Cost

Reduce the time, effort, and cost of manual authoring while ensuring high-quality image descriptions.

Structured Templates and Custom Formatting

Apply templates and formatting rules to support output requirements across content types and workflows.

How Image Alt Text API Works

From setup to output, the API is designed to integrate smoothly into existing content workflows.

Step 1: Request Access

Receive API credentials and documentation to get started.

Step 2: Integrate the API

Connect the API to your content, publishing, or authoring workflow.

Step 3: Start a Batch Run

Run image description generation for individual visuals or larger image sets.

Step 4: Generate Alt Text

Our API creates image descriptions for a wide range of visual content.

Step 5: Use Templates

Apply structured templates for consistency across content types.

Frequently Asked Questions

Image Alt Text API can generate descriptions for a wide range of visual content, including charts, graphs, maps, STEM diagrams, chemical structures, infographics, editorial images, and other simple or complex visuals.
Yes. The API is built to support large volumes of images, making it suitable for workflows involving bulk uploads and alt text generation at scale.
Yes. The API generates alt text aligned with WCAG 2.2 guidance and image description best practices, helping support accessibility focused content workflows.
Yes. The API supports structured templates and custom formatting requirements, helping teams maintain the right output style across content types and workflows.
Image descriptions are generated in seconds, helping teams move faster through publishing, remediation, and content production workflows.
Generated alt text can be reviewed and customized before final use.

Need Faster Batch Processing for Image Alt Text Descriptions?

Use our AI-powered alt text API to automate image description creation across large volumes of content with less manual work.

Do You Need Some Help? Don't Worry, We've Got You!

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