Scalable
Image Description API
Integrate automatic alt text into your CMS, DAM, or app. A simple REST interface for enterprise-level image recognition.
// Request
curl -X POST https://app.autoalt.ai/api/autoalt-generate-alt \
-H "Authorization: Bearer sk_live_..." \
-d '{ "url": "https://site.com/shoe.jpg", "lang": "de" }'
// Response (200 OK)
{
"alt_text": "White glossy ceramic wall tiles for modern bathroom interior",
"total_credit": 50,
"credit": 36,
"used_credit": 14,
"asset_id": "deb9a028f5c7c64c0631393432393546e39c62cbafc92ce8",
"filename": null,
"imagename": null,
"used_plan": "free"
}Integration in 5 minutes
Create your free AutoAlt.ai account and generate an API key to authenticate requests.
Get Key →Submit a public image URL or Base64 image data to the /generate endpoint.
Get SEO-friendly, accessibility-compliant alt text in a structured JSON response.
Code Examples
“image_url”: “https://example.com/product.jpg”,
“language”: “de”,
“seo_keywords”: “ecommerce”,
“product_name”: “abc”,
“product_brands”: “xyz”,
“product_color”: “red”
}’
API Capabilities
Generate alt text natively in DE, EN, FR, ES, IT and 20 other languages via
Process one image per request and receive descriptive, accessibility-friendly alt text instantly.
Provide custom instructions, product details, or context to improve alt text accuracy.
The output is optimized for screen readers and meets the requirements of the European Accessibility Act.
Include product names or categories to refine the context for the AI (e.g., for e-commerce SEO).
256-bit SSL, EU hosting (Frankfurt) and deletion of image data immediately after processing.
Do you need more details?
Our complete documentation includes error codes, authentication details, and response formats.