Free • No API Key Required

Logo API for HTML

The simplest integration — just an HTML image tag. No JavaScript, no build tools, no complexity.

What is apistemic logos?

A free logo API that returns company logos by domain or LinkedIn slug.

Any Company

Fetch logos for any domain — from Fortune 500 to startups. Just pass the domain and get a logo.

No API Keys

No registration, no authentication, no rate limits for reasonable usage. Just HTTP requests.

WebP Format

All logos served in WebP format — 25-35% smaller than PNG with full transparency support.

Code Examples

Production-ready code you can copy and paste into your project.

Basic Usage

<!-- Basic usage (shows monogram if not found) -->
<img src="https://logos-api.apistemic.com/domain:stripe.com" alt="Stripe logo">

<!-- With lazy loading (recommended for lists) -->
<img
  src="https://logos-api.apistemic.com/domain:stripe.com"
  alt="Stripe logo"
  loading="lazy"
  width="64"
  height="64"
>

Custom Fallback

<!-- With custom fallback (use ?fallback=404 to trigger onerror) -->
<img
  src="https://logos-api.apistemic.com/domain:stripe.com?fallback=404"
  alt="Stripe logo"
  onerror="this.src='/fallback-logo.png'"
>

Free with Attribution

The logo API is completely free. Just add a visible attribution link.

✓Add a visible link on every page displaying logos
✓Link must be publicly accessible (not behind login)
✓Place it near logos, in the footer, or on your about page

Add this link:

Logos by <a href="https://logos.apistemic.com">apistemic logos</a>

Can't add attribution? Let's talk.

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