Collect iShares Gold Strategy ETF (IAUF) Historical Prices using this API

Metals-API 1 min read
Collect iShares Gold Strategy ETF (IAUF) Historical Prices using this API

Introduction

Metals-API. This API provides a robust platform for accessing real-time and historical data on precious metals, including gold, silver, platinum, and palladium.

Metals-API Information

About Gold (XAU)

API Description

Key Features and Endpoints

  • Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, updated every 60 minutes, 10 minutes, or even more frequently, depending on the subscription plan. This feature is essential for traders who need up-to-the-minute information to make quick decisions.
  • Historical Rates Endpoint: Users can access historical rates dating back to 2019 by appending a specific date to the API call. This is particularly useful for analyzing past performance and identifying trends over time.
  • Bid and Ask Endpoint: This powerful feature allows users to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
  • Convert Endpoint: The API includes a currency conversion feature that enables users to convert amounts between different metals or to/from USD, facilitating easier trading and investment decisions.
  • Time-Series Endpoint: This endpoint allows users to query daily historical rates between two specified dates, making it easier to analyze trends over specific periods.
  • Fluctuation Endpoint: Users can track how metal prices fluctuate on a day-to-day basis, providing valuable insights into market volatility.
  • Carat Endpoint: This feature allows users to retrieve gold rates by carat, which is particularly useful for jewelers and those in the jewelry industry.
  • Lowest/Highest Price Endpoint: Users can query the API to get the lowest and highest prices for a specified date, helping them understand market extremes.
  • Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, essential for technical analysis.
  • Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, allowing for comprehensive analysis of market trends.
  • API Key: Users must pass their unique API key into the API base URL's access_key parameter to authenticate their requests.
  • API Response: The API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
  • Available Endpoints: The Metals-API offers a wide range of endpoints, each providing different functionalities tailored to user needs.
  • Supported Symbols Endpoint: This endpoint returns all available currencies and metals, allowing users to stay updated on the latest offerings.
  • Gold Price India Endpoint: Retrieve the latest gold price in India using this dedicated endpoint, catering to regional market needs.
  • News Endpoint: Users can access the latest news articles related to various metals, keeping them informed about market developments.

List of Symbols

Metals-API Supported Symbols page. This resource is invaluable for developers looking to integrate specific metals into their applications.

API Endpoint Examples and Responses

Latest Rates Endpoint

{
"success": true,
"timestamp": 1755248426,
"base": "USD",
"date": "2025-08-15",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744,
"XCU": 0.294118,
"XAL": 0.434783,
"XNI": 0.142857,
"XZN": 0.344828
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

{
"success": true,
"timestamp": 1755162026,
"base": "USD",
"date": "2025-08-14",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Time-Series Endpoint

{
"success": true,
"timeseries": true,
"start_date": "2025-08-08",
"end_date": "2025-08-15",
"base": "USD",
"rates": {
"2025-08-08": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2025-08-10": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2025-08-15": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Convert Endpoint

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1755248426,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

{
"success": true,
"fluctuation": true,
"start_date": "2025-08-08",
"end_date": "2025-08-15",
"base": "USD",
"rates": {
"XAU": {
"start_rate": 0.000485,
"end_rate": 0.000482,
"change": -3.0e-6,
"change_pct": -0.62
},
"XAG": {
"start_rate": 0.03825,
"end_rate": 0.03815,
"change": -0.0001,
"change_pct": -0.26
},
"XPT": {
"start_rate": 0.000915,
"end_rate": 0.000912,
"change": -3.0e-6,
"change_pct": -0.33
}
},
"unit": "per troy ounce"
}

OHLC (Open/High/Low/Close) Price Endpoint

{
"success": true,
"timestamp": 1755248426,
"base": "USD",
"date": "2025-08-15",
"rates": {
"XAU": {
"open": 0.000485,
"high": 0.000487,
"low": 0.000481,
"close": 0.000482
},
"XAG": {
"open": 0.03825,
"high": 0.0383,
"low": 0.0381,
"close": 0.03815
},
"XPT": {
"open": 0.000915,
"high": 0.000918,
"low": 0.00091,
"close": 0.000912
}
},
"unit": "per troy ounce"
}

Bid/Ask Endpoint

{
"success": true,
"timestamp": 1755248426,
"base": "USD",
"date": "2025-08-15",
"rates": {
"XAU": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
},
"XAG": {
"bid": 0.0381,
"ask": 0.0382,
"spread": 0.0001
},
"XPT": {
"bid": 0.000911,
"ask": 0.000913,
"spread": 2.0e-6
}
},
"unit": "per troy ounce"
}

Conclusion

Metals-API, developers can access a wealth of historical price data, enabling them to make informed investment decisions. The API's innovative features, such as real-time rates, historical data, and various endpoints, empower users to analyze market trends and fluctuations effectively.

Metals-API Documentation provides comprehensive guidance on how to utilize the API effectively. Additionally, the Metals-API Supported Symbols page offers a complete list of available metals, ensuring that users can access the data they need.