Easily Get Silver Sep 2028 (SIU28) Historical Prices using this API

In the world of precious metals, silver (XAG) holds a significant place due to its diverse industrial applications and investment potential. As we look towards the future, particularly for the September 2028 (SIU28) contracts, accessing historical prices becomes crucial for traders, analysts, and developers alike. The Metals-API provides a robust solution for obtaining real-time and historical data on silver and other metals, empowering users to make informed decisions based on accurate market information.

About Silver (XAG)

Silver is not just a precious metal; it is a vital component in various industrial applications, including electronics, solar panels, and medical devices. The integration of technology in manufacturing processes has led to innovative uses of silver, enhancing its demand. As industries evolve, the digital market analysis of silver prices becomes essential for stakeholders. The rise of smart manufacturing and supply chain technology has further transformed how silver is sourced, processed, and traded.

Understanding the historical prices of silver is crucial for market participants. By analyzing past trends, developers can create applications that predict future movements, helping investors strategize their trades. The Metals-API offers a comprehensive suite of tools to access this data seamlessly.

API Description

The Metals-API is a powerful tool designed for developers looking to integrate real-time metals data into their applications. With a focus on innovation and technological advancement, this API allows users to access a wealth of information about various metals, including silver. By leveraging the capabilities of the Metals-API, developers can build next-generation applications that provide users with up-to-date market insights.

For more information, visit the Metals-API Website or explore the Metals-API Documentation for detailed guidance on implementation.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data, updated every 60 minutes, every 10 minutes, or even more frequently, depending on your subscription plan. This feature is essential for traders who need the most current market data.
Historical Rates Endpoint: Users can access historical rates for most currencies dating back to 2019. By appending a specific date (YYYY-MM-DD) to the endpoint, developers can retrieve past prices, which is invaluable for trend analysis.
Bid And Ask Endpoint: This feature allows users to retrieve real-time bid and ask prices, providing insights into market liquidity and helping traders make informed decisions.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert amounts from one metal to another or to/from USD. This is particularly useful for those dealing with multiple currencies in their transactions.
Time-Series Endpoint: This endpoint allows users to query daily historical rates between two chosen dates, facilitating comprehensive analysis of price movements over time.
Fluctuation Endpoint: Users can track how currencies fluctuate on a day-to-day basis, providing insights into market volatility and trends.
Carat Endpoint: This feature allows users to retrieve information about gold rates by carat, which is essential for jewelers and investors in the jewelry market.
Lowest/Highest Price Endpoint: Users can query the API to get the lowest and highest prices for a specified date, which is crucial for understanding market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, offering a comprehensive view of market performance.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, allowing for extensive historical analysis.
API Key: Each user is assigned a unique API key, which must be included in requests to authenticate and authorize access to the API.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
Available Endpoints: The API comprises 14 endpoints, each providing distinct functionalities tailored to various user needs.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies, ensuring users have access to the latest data.

For a complete list of supported symbols, refer to the Metals-API Supported Symbols page.

API Endpoint Examples and Responses

Understanding how to interact with the Metals-API is crucial for effective implementation. Below are examples of various endpoints and their expected responses:

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1781136984,
"base": "USD",
"date": "2026-06-11",
"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

Access historical exchange rates for any date since 1999.

{
"success": true,
"timestamp": 1781050584,
"base": "USD",
"date": "2026-06-10",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

Time-series Endpoint

Get exchange rates for a specific time period.

{
"success": true,
"timeseries": true,
"start_date": "2026-06-04",
"end_date": "2026-06-11",
"base": "USD",
"rates": {
"2026-06-04": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-06-06": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-06-11": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

Convert Endpoint

Convert any amount from one metal to another or to/from USD.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1781136984,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-04",
"end_date": "2026-06-11",
"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) Endpoint

Get OHLC data for a specific time period.

{
"success": true,
"timestamp": 1781136984,
"base": "USD",
"date": "2026-06-11",
"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

Get current bid and ask prices for metals.

{
"success": true,
"timestamp": 1781136984,
"base": "USD",
"date": "2026-06-11",
"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

Accessing historical prices for silver, particularly for the September 2028 (SIU28) contracts, is made simple and efficient through the Metals-API. With its comprehensive suite of endpoints, developers can retrieve real-time data, historical rates, and perform conversions seamlessly. The API's capabilities empower users to build applications that analyze market trends, track fluctuations, and make informed trading decisions.

For further exploration of the API's features, refer to the Metals-API Documentation and check the Metals-API Supported Symbols for a complete list of available metals. By leveraging the power of the Metals-API, you can stay ahead in the dynamic world of precious metals trading.

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Easily Get Silver Sep 2028 (SIU28) Historical Prices using this API