> ## Documentation Index
> Fetch the complete documentation index at: https://docs.turnkey.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Advanced

> Use Turnkey's low-level http libraries directly

export const FeatureCard = ({title, description, icon, logo, href}) => {
  return <a href={href} className="not-prose font-normal group ring-0 ring-transparent cursor-pointer block rounded-lg border border-zinc-950/10 dark:border-white/10 bg-white dark:bg-transparent p-5 no-underline hover:border-primary/40 transition-colors">
      <div className="tk-card-row">
        <span className="tk-card-icon-wrap">
          {logo ? <img src={`/images/networks/${logo}.svg`} className="tk-card-network-logo" alt="" /> : <span className="tk-card-icon" style={{
    maskImage: `url(/images/icons/${icon}.svg)`,
    WebkitMaskImage: `url(/images/icons/${icon}.svg)`
  }} />}
        </span>
        <div>
          <div className="font-semibold text-sm text-zinc-950 dark:text-white group-hover:text-primary transition-colors">
            {title}
          </div>
          {description && <div className="text-sm text-zinc-500 dark:text-zinc-400 mt-1">
              {description}
            </div>}
        </div>
      </div>
    </a>;
};

<div style={{display: 'grid', gridTemplateColumns: 'repeat(2, 1fr)', gap: '12px'}}>
  <FeatureCard title="TurnkeyClient" icon="code-02" href="/sdks/advanced/turnkey-client" description="Detailed guide on installing and initializing the TurnkeyClient." />

  <FeatureCard title="ApiKeyStamper" icon="lock-01" href="/sdks/advanced/api-key-stamper" description="Guide on using the ApiKeyStamper." />

  <FeatureCard title="WalletStamper" icon="lock-01" href="/sdks/advanced/wallet-stamper" description="Guide on using the WalletStamper." />

  <FeatureCard title="WebauthnStamper" icon="lock-01" href="/sdks/advanced/webauthn-stamper" description="Guide on using the WebauthnStamper." />

  <FeatureCard title="IframeStamper" icon="lock-01" href="/sdks/advanced/iframe-stamper" description="Guide on using the IframeStamper." />

  <FeatureCard title="IndexedDbStamper" icon="lock-01" href="/sdks/advanced/indexed-db-stamper" description="Guide on using the IndexedDbStamper." />

  <FeatureCard title="Client-side signing" icon="file-code-01" href="/sdks/advanced/client-side-signing" description="Sign transactions and messages in the browser using the iframe stamper, without exposing private keys to your app." />
</div>
