Free Gold Price API
Real-time XAU spot prices from official central bank data. 26+ currencies. Historical data since 2013. Simple REST JSON API.
100 free requests/month · Official NBP + ECB data · JSON REST API
Why Choose Our Gold Price API
Built on official central bank data with transparent sourcing and developer-friendly design.
Official Central Bank Data
Gold prices sourced from NBP (National Bank of Poland) — an official central bank, not a commercial data reseller. FX rates from ECB (European Central Bank).
26+ Currencies
Get gold prices in USD, EUR, GBP, JPY, CHF, AUD, CAD, PLN, CNY, INR, and 16+ more currencies. All converted using official ECB exchange rates.
Historical Data Since 2013
Access daily gold prices going back to January 2013. Perfect for backtesting, research, portfolio analysis, and trend visualization.
Simple REST JSON API
Clean, predictable JSON responses. Standard HTTP methods. API key authentication via header. Integrate in under 10 minutes.
Multiple Weight Units
Get prices per troy ounce, gram, or kilogram. Weight conversion built into every endpoint — no client-side math needed.
Free Tier — No Credit Card
100 requests per month at no cost. No credit card required. Get your API key instantly and start building.
API Reference
Base URL: https://www.sentisignal.com/api/v1/gold
/api/v1/gold/priceGet the current gold price in one or more currencies.
| Parameter | Type | Default | Description |
|---|---|---|---|
currencies | string | USD | Comma-separated currency codes (e.g., USD,EUR,GBP) |
weight_unit | string | troy_oz | troy_oz | gram | kg |
/api/v1/gold/price/historicalGet historical gold prices for a date range.
| Parameter | Type | Default | Description |
|---|---|---|---|
start_date | string | - | Start date (YYYY-MM-DD) |
end_date | string | - | End date (YYYY-MM-DD) |
currencies | string | USD | Comma-separated currency codes |
interval | string | daily | daily | weekly | monthly |
weight_unit | string | troy_oz | troy_oz | gram | kg |
/api/v1/gold/price/convertConvert a specific weight of gold to a currency value.
| Parameter | Type | Default | Description |
|---|---|---|---|
currency | string | - | Target currency code (e.g., EUR) |
weight | number | 1 | Amount of gold |
weight_unit | string | troy_oz | troy_oz | gram | kg |
date | string | latest | Price date (YYYY-MM-DD, optional) |
/api/v1/gold/currenciesPublicList all supported currencies with metadata.
Quick Start
Get gold prices in under 30 seconds. Copy, paste, run.
Response
{
"status": "success",
"timestamp": "2026-03-01T12:00:00Z",
"data": {
"metal": "gold",
"price_date": "2026-03-01",
"source": "NBP (National Bank of Poland)",
"prices": {
"USD": { "price": 2045.30, "unit": "troy_oz", "currency": "USD" },
"EUR": { "price": 1892.15, "unit": "troy_oz", "currency": "EUR" },
"GBP": { "price": 1623.80, "unit": "troy_oz", "currency": "GBP" }
},
"fx_source": "ECB (European Central Bank)",
"fx_date": "2026-03-01"
},
"meta": { "credits_used": 1, "credits_remaining": 99, "plan": "free" }
}Simple, Transparent Pricing
Start free. Scale when you need to.
Free
For hobby projects and evaluation.
- ✓ 100 requests / month
- ✓ 10 requests / minute
- ✓ USD currency only
- ✓ Last 30 days historical data
- ✓ Standard support
Starter
For small apps and side projects.
- ✓ 5,000 requests / month
- ✓ 30 requests / minute
- ✓ USD, EUR, GBP currencies
- ✓ 1 year historical data
- ✓ Email support
Pro
For production apps and startups.
- ✓ 50,000 requests / month
- ✓ 60 requests / minute
- ✓ All 26+ currencies
- ✓ Full history (since 2013)
- ✓ Priority support
Enterprise
For high-volume and mission-critical use.
- ✓ Unlimited requests
- ✓ 120 requests / minute
- ✓ All 26+ currencies
- ✓ Full history (since 2013)
- ✓ Dedicated support + SLA
Built For Your Use Case
Fintech Applications
Build gold investment features, portfolio tracking, and price alerts into your fintech app. Real-time prices in local currencies.
Portfolio Trackers
Display gold holdings in any currency. Calculate portfolio value with accurate, central-bank-sourced data. Historical charts for performance tracking.
Jewelry & E-commerce
Dynamically price gold products based on live spot prices. Support multiple currencies for international customers. Weight-based pricing built in.
Research & Analytics
Access 10+ years of daily gold prices for academic research, market analysis, and economic modeling. Export-friendly JSON format.