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x402 Image Tools – Placeholder & BlurHash Generator
x402
x402 Image Tools – Placeholder & BlurHash Generator is a paid API for AI agents from image.kagurazaka.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-29).
Returns a BlurHash string, a tiny blurred WebP preview as a data URL, the average color, and the pixel dimensions of a given image URL.
Price / call$0.001
Success—
StatusUnknown
How this service works
What a page shows while an image loads: its BlurHash, a tiny blurred WebP preview as a data URL, its average color and its dimensions.
Output
A JSON object with five fields: width (pixels), height (pixels), blurhash (compact string encoding of a blurred representation), average_color (hex string like #7a6b55), and preview_data_url (a data:image/webp;base64,… string usable directly in an img src for an instant blurred placeholder).
Example use cases
Lazy-loading placeholder for blog images
“I need a BlurHash and a tiny base64 blurred WebP preview for this image so I can show a placeholder while it loads: https://myblog.com/images/hero.jpg — also grab the dimensions and average color.”
Average color for dynamic UI theming
“What's the average hex color of this product photo at https://shop.example.com/products/sneaker.png? Also give me the width and height and a blurhash.”
Precomputing placeholders for a photo gallery
“For this gallery image at https://cdn.mygallery.com/uploads/sunset.webp, can you generate the BlurHash string, a blurred data URL preview, average color, and pixel dimensions so I can embed them server-side?”
Technical details
Endpoint
GEThttps://image.kagurazaka.dev/v1/placeholder?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to precompute lazy-loading placeholders for images — specifically when you want a BlurHash string and/or a tiny blurred WebP data URL alongside the image's average color and dimensions, all in a single call. Ideal for web performance pipelines, CMS integrations, or any UI that shows a colored or blurred placeholder while the full image loads. If you only need dominant colors or full image metadata, use the sibling color or metadata endpoints instead.
Side effects
- Image URL is not publicly accessible or returns a non-200 response
- Image exceeds 20 MB or 40 megapixel limit
- Unsupported image format provided
- Malformed or missing url query parameter
- Network timeout fetching the remote image
- Payment not completed (402 response before processing)
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"width": 1024,
"height": 683,
"blurhash": "LEHV6nWB2yk8pyo0adR*.7kCMdnj",
"average_color": "#7a6b55",
"preview_data_url": "data:image/webp;base64,..."
}
}Tags
x402
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