Free Company Logo API

const TICKER_LOGOS_CDN = 'https://cdn.tickerlogos.com';

function getLogoUrl(domain) {
  return `${TICKER_LOGOS_CDN}/${domain}`;
}

// Display a logo
const logo = document.createElement('img');
logo.src = getLogoUrl('apple.com');
logo.width = 64;
logo.height = 64;
logo.onerror = () => { logo.src = '/fallback.png'; };
document.body.appendChild(logo);

// Place this attribution link once in your page footer
const footer = document.querySelector('footer');
footer.innerHTML += '<a href="https://www.allinvestview.com/tools/ticker-logos/">Logos by AllInvestView</a>';

import requests

TICKER_LOGOS_CDN = "https://cdn.tickerlogos.com"
TICKER_LOGOS_URL = "https://www.allinvestview.com/tools/ticker-logos/"

def get_logo_url(domain: str) -> str:
    return f"{TICKER_LOGOS_CDN}/{domain}"

def logo_exists(domain: str) -> bool:
    r = requests.head(get_logo_url(domain), timeout=5)
    return r.status_code == 200

def get_attribution_html() -> str:
    """Returns an attribution link for your page footer."""
    return f'<a href="{TICKER_LOGOS_URL}">Logos by AllInvestView</a>'

# Usage
url = get_logo_url("apple.com")
print(url)   # https://cdn.tickerlogos.com/apple.com
print(get_attribution_html())

const TICKER_LOGOS_CDN = 'https://cdn.tickerlogos.com';

function CompanyLogo({ domain, alt = "Logo" }) {
  const [error, setError] = React.useState(false);
  const url = `${TICKER_LOGOS_CDN}/${domain}`;

  if (error) {
    return <div style={{
      background: '#f1f5f9', borderRadius: 8,
      display: 'flex', alignItems: 'center',
      justifyContent: 'center', color: '#9ca3af',
      padding: 8
    }}>N/A</div>;
  }

  return <img src={url} alt={alt}
    style={{ borderRadius: 8, objectFit: 'contain' }}
    onError={() => setError(true)} />;
}

// Place this once in your app footer
function TickerLogosAttribution() {
  return <a href="https://www.allinvestview.com/tools/ticker-logos/">
    Logos by AllInvestView</a>;
}

// Usage:
// <CompanyLogo domain="apple.com" />
// <TickerLogosAttribution />  {/* in your footer */}