Display live and historical Gold, Silver, Platinum and Palladium prices on your WordPress site. Carat-aware (9k–24k), 30+ currencies, EU-hosted.

MetalFlowAPI

The official MetalflowAPI WordPress plugin makes it dead simple to embed live precious metals prices on any WordPress site — perfect for jewelers, publishers, trade-in calculators and bullion shops.
<h4>Features</h4>
<ul>
<li>Live spot prices for Gold (XAU), Silver (XAG), Platinum (XPT) and Palladium (XPD)</li>
<li>Carat-aware pricing for 9k, 10k, 14k, 18k, 20k, 21k, 22k and 24k Gold</li>
<li>30+ currencies — EUR, USD, GBP, JPY, CHF, CAD, AUD, PLN, CZK, INR, BRL, CNY and many more (sourced daily from European Central Bank)</li>
<li>Units: gram (g), kilogram (kg), troy ounce (ozt)</li>
<li>7 shortcodes — drop into any post, page or widget</li>
<li>5 Gutenberg blocks — Live Price, Carat Calculator, Ticker, Carat Table, Historical Chart</li>
<li>Sidebar widget — classic widget for the metals ticker</li>
<li>REST proxy — your API key stays on the server, never exposed to the browser</li>
<li>Smart caching — built-in WordPress transient cache (configurable, 30s–24h)</li>
<li>Theme-aware styling — light and dark themes, follows your site’s typography</li>
<li>Translation-ready — all strings localized</li>
</ul>
<h4>Shortcodes</h4>
<pre><code>[metalflow_price metal="Gold" currency="EUR" unit="g"] — live spot price for one metal
[metalflow_carat carat="14" currency="EUR" unit="g"] — carat-aware Gold price
[metalflow_ticker currency="EUR" theme="light"] — all 4 metals with 24h change
[metalflow_table currency="EUR" unit="g"] — full carat table 9k–24k
[metalflow_change metal="Gold" days="30"] — % change over N days
[metalflow_calc currency="EUR"] — interactive carat-weight calculator
[metalflow_chart metal="Gold" range="1y" currency="EUR" width="600" height="180"] — historical sparkline (30d/90d/180d/1y/2y/5y/10y/30y/max)
</code></pre>
<h4>Pricing</h4>
The plugin is 100% free. The MetalflowAPI service offers a free tier (no credit card required):
<ul>
<li>Free — 100 requests/month, daily-refreshed prices, 30-day history</li>
<li>Starter — €9/mo, 10,000 requests, 10-min refresh, 5-year history</li>
<li>Pro — €29/mo, 100,000 requests, 1-min refresh, 30-year history</li>
<li>Enterprise — custom, 15s refresh, full 1968+ history</li>
</ul>
<a href="https://metalflowapi.com/signup" rel="nofollow ugc">Sign up free →</a>
<h4>EU & GDPR</h4>
Servers in Strasbourg (France). All data within EU. GDPR-compliant. EUR billing with VAT invoices.
<h4>External Service Disclosure</h4>
This plugin relies on the MetalflowAPI service (metalflowapi.com) to fetch real-time and historical precious metals prices. By using this plugin you agree to MetalflowAPI's terms of service and privacy policy.
What data is sent to MetalflowAPI from your WordPress server:
<ul>
<li>Your API key (passed in the <code>X-API-Key</code> HTTP header) — used for authentication and rate-limit tracking.</li>
<li>Query parameters required to fulfil your shortcode/block (metal symbol, currency, date range, etc.).</li>
<li>The IP address of your WordPress server (standard for any outgoing HTTP request).</li>
</ul>
What is NOT sent:
<ul>
<li>No personally-identifiable information about your site visitors. The plugin never collects, transmits or stores visitor IPs, cookies or browsing behaviour.</li>
<li>No content of your WordPress posts, comments or user accounts.</li>
</ul>
Cache: all responses are cached locally on your server via WordPress transients (default 5 minutes, configurable) so the same query does not hit MetalflowAPI repeatedly.
Before you add an API key: the plugin shows built-in static sample data and makes no request to MetalflowAPI. The service is only contacted once a valid API key is saved.
Service endpoints used:
<ul>
<li><code>https://metalflowapi.com/wp-json/metals/v1/prices</code> (historical)</li>
<li><code>https://metalflowapi.com/wp-json/metals/v1/live</code> (24h intraday)</li>
<li><code>https://metalflowapi.com/wp-json/metals/v1/all-prices-internal</code> (spot + FX bulk)</li>
<li><code>https://metalflowapi.com/wp-json/metals/v1/sparkline</code> (SVG chart)</li>
</ul>
Legal:
<ul>
<li>Terms of Service: <a href="https://metalflowapi.com/legal/terms" rel="nofollow ugc">https://metalflowapi.com/legal/terms</a></li>
<li>Privacy Policy: <a href="https://metalflowapi.com/legal/privacy" rel="nofollow ugc">https://metalflowapi.com/legal/privacy</a></li>
</ul>

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