Is the Favicon Checker API free to use?

Yes. No authentication is required.

Does the API store domain or icon data?

No. All checks are performed live and stateless.

Does the API support web app manifests?

Yes. If a site defines a web app manifest, icons declared in it are extracted.

Developer interface

Favicon Checker API

Detect favicons, Apple touch icons, and manifest icons using a simple HTTP endpoint.

The Velohost Favicon Checker API provides a lightweight HTTP interface for discovering favicon files and related icon metadata for a domain.

Base API URL

Base API URL https://api.velohost.co.uk/favicon-checker/

Rate limiting

This API is protected by a global rate limit to ensure fair usage and platform stability.

Limit: 30 requests per 10 seconds per IP address
Burst traffic is allowed
No authentication required
Requests exceeding the limit return HTTP 429

This limit applies across all Velohost public APIs.

Error responses

<lbrace>
  "detail": "Rate limit exceeded"
<rbrace>

Check website favicons

Request

GET /lookup?domain=example.com

Response

<lbrace>
  "domain": "example.com",
  "has_favicon": true,
  "icons": [
    <lbrace>
      "url": "https://example.com/favicon.ico",
      "rel": "shortcut icon",
      "sizes": null,
      "type": null,
      "source": "html"
    <rbrace>,
    <lbrace>
      "url": "https://example.com/favicon.svg",
      "rel": "icon",
      "sizes": null,
      "type": "image/svg+xml",
      "source": "html"
    <rbrace>
  ],
  "manifest": <lbrace>
    "url": "https://example.com/site.webmanifest",
    "icons_found": 1
  <rbrace>
<rbrace>

Learn more

Explore the tool, documentation, and guides.

Use the favicon checker Favicon FAQs