Collect Comprehensive Silver Sep 2028 (SIU28) Historical Prices using this API

Introduction

In the world of precious metals, silver (XAG) holds a significant position, not only as a valuable asset but also due to its extensive industrial applications. As we look towards the future, particularly for the September 2028 (SIU28) contracts, understanding historical prices becomes crucial for investors and developers alike. The Metals-API provides a robust solution for accessing comprehensive historical price data, empowering developers to build innovative applications that leverage real-time and historical metals data.

About Silver (XAG)

Silver is not just a precious metal; it is a versatile commodity with numerous industrial applications. From electronics to solar panels, silver's conductivity and reflectivity make it indispensable in modern technology. As industries evolve, the demand for silver continues to grow, driven by innovations in manufacturing and smart technologies. The integration of digital market analysis and supply chain technology further enhances the value of silver, making it a focal point for investment and trading.

Industrial Applications and Innovation

The industrial applications of silver are vast. In electronics, silver is used in circuit boards and connectors due to its excellent conductivity. The rise of electric vehicles and renewable energy technologies, such as solar panels, has significantly increased the demand for silver. Innovations in manufacturing processes, including smart manufacturing, are also driving the need for real-time data on silver prices.

Technology in Manufacturing

As technology advances, the manufacturing sector is undergoing a transformation. The integration of smart technologies allows for more efficient production processes, reducing waste and increasing output. Silver plays a crucial role in these technologies, and understanding its price movements through APIs like Metals-API can help manufacturers make informed decisions.

Digital Market Analysis

Digital market analysis tools are essential for tracking the performance of silver in the market. By utilizing the Metals-API, developers can access real-time data and historical trends, enabling them to analyze market movements effectively. This data can be used to create predictive models and inform trading strategies.

Smart Manufacturing Integration

Smart manufacturing integrates advanced technologies such as IoT, AI, and big data analytics into production processes. Silver's role in these technologies necessitates a reliable source of price data. The Metals-API provides developers with the tools to access this data, allowing for better decision-making and strategic planning in manufacturing.

API Description

The Metals-API is a powerful tool that provides developers with access to real-time and historical metals data. This API is designed to empower developers to build next-generation applications that require accurate and timely information about precious metals, including silver. With its innovative features and capabilities, the Metals-API transforms how developers interact with metals data.

For more information, visit the Metals-API Website or check out the Metals-API Documentation.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different needs, allowing developers to access a wealth of information about silver and other metals. Here are some key features:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for silver and other metals. Depending on your subscription plan, this endpoint can return data updated every 60 minutes or even every 10 minutes. This feature is crucial for traders who need to make quick decisions based on the latest market conditions.

{
"success": true,
"timestamp": 1782951236,
"base": "USD",
"date": "2026-07-02",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

Accessing historical rates is essential for analyzing trends and making informed investment decisions. The Historical Rates Endpoint allows users to query historical rates dating back to 2019 by appending a specific date to the API request. This feature is invaluable for developers looking to build applications that require historical data analysis.

{
"success": true,
"timestamp": 1782864836,
"base": "USD",
"date": "2026-07-01",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"unit": "per troy ounce"
}

Bid And Ask Endpoint

The Bid and Ask Endpoint provides real-time bid and ask prices for silver and other metals. This feature is particularly useful for traders who need to know the current market spread to make informed buying and selling decisions.

{
"success": true,
"timestamp": 1782951236,
"base": "USD",
"date": "2026-07-02",
"rates": {
"XAU": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
},
"XAG": {
"bid": 0.0381,
"ask": 0.0382,
"spread": 0.0001
}
},
"unit": "per troy ounce"
}

Convert Endpoint

The Convert Endpoint allows users to convert any amount from one metal to another or to/from USD. This feature is particularly useful for applications that require currency conversion for pricing or trading purposes.

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1782951236,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint allows developers to query the API for daily historical rates between two dates of their choice. This feature is essential for analyzing price movements over specific periods, enabling developers to create detailed market analysis tools.

{
"success": true,
"timeseries": true,
"start_date": "2026-06-25",
"end_date": "2026-07-02",
"base": "USD",
"rates": {
"2026-06-25": {
"XAU": 0.000485,
"XAG": 0.03825
},
"2026-07-02": {
"XAU": 0.000482,
"XAG": 0.03815
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides information about how silver prices fluctuate on a day-to-day basis. This feature is useful for traders who want to track volatility and make informed trading decisions based on price changes.

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-25",
"end_date": "2026-07-02",
"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
}
},
"unit": "per troy ounce"
}

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

The OHLC Price Endpoint provides open, high, low, and close prices for silver over a specific time period. This data is crucial for traders who analyze price trends and make decisions based on historical performance.

{
"success": true,
"timestamp": 1782951236,
"base": "USD",
"date": "2026-07-02",
"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
}
},
"unit": "per troy ounce"
}

Historical LME Endpoint

The Historical LME Endpoint provides access to historical rates for LME symbols dating back to 2008. This feature is particularly useful for developers working with London Metal Exchange data and requires historical price analysis.

{
"success": true,
"timestamp": 1782864836,
"base": "USD",
"date": "2026-07-01",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825
},
"unit": "per troy ounce"
}

API Key and Response

Your API Key is essential for accessing the Metals-API. It is passed into the API base URL's access_key parameter to authenticate your requests. The API delivers exchange rates relative to USD, ensuring that all data is consistent and reliable.

Available Endpoints

The Metals-API comes with 14 API endpoints, each providing different functionalities. Developers can explore these endpoints to find the specific data they need for their applications. For a complete list of supported symbols, refer to the Metals-API Supported Symbols.

Conclusion

Understanding the historical prices of silver is crucial for investors and developers alike. The Metals-API provides a comprehensive suite of tools that empower users to access real-time and historical data, enabling informed decision-making in trading and investment. By leveraging the various endpoints offered by the Metals-API, developers can create innovative applications that analyze market trends, track price fluctuations, and convert currencies seamlessly.

As the demand for silver continues to grow, the ability to access accurate and timely data will be paramount. Whether you are a trader looking to capitalize on market movements or a developer building the next generation of financial applications, the Metals-API is an invaluable resource. Explore the Metals-API Website today to learn more about how you can integrate these powerful tools into your projects.