Get Silver Continuous Contract (SI00) Historical Prices for the Last Five Years using this API

In the world of precious metals trading, having access to accurate and timely historical price data is crucial for making informed decisions. The Silver Continuous Contract (SI00) is a key indicator for traders and investors looking to analyze the silver market. In this blog post, we will explore how to retrieve historical prices for silver using the Metals-API, a powerful tool that provides real-time and historical data for various metals, including silver.

About Silver (XAG)

Silver, represented by the symbol XAG, is not only a precious metal but also a critical component in various industrial applications. Its unique properties make it invaluable in sectors such as electronics, solar energy, and medical technology. The demand for silver is driven by its role in innovation and technology, particularly in manufacturing processes that require high conductivity and reflectivity.

As industries evolve, the integration of smart manufacturing technologies has transformed how silver is sourced, processed, and utilized. The digital market analysis of silver prices allows businesses to adapt to market fluctuations and optimize their supply chains. By leveraging advanced supply chain technology, companies can ensure that they are sourcing silver efficiently and cost-effectively, ultimately enhancing their competitiveness in the market.

Metals-API Information

The Metals-API is designed to empower developers and businesses by providing access to comprehensive metals data. This API offers a range of capabilities that allow users to build next-generation applications that can analyze and visualize metal prices in real-time. With the ability to access both current and historical data, developers can create tools that help users make informed decisions based on market trends.

One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data for metals, updated at intervals depending on the user's subscription plan. This means that whether you need the latest silver prices or historical data dating back to 2019, the Metals-API has you covered.

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 for silver and other metals. Depending on your subscription plan, you can receive updates every 60 minutes, every 10 minutes, or even more frequently. This is essential for traders who need to stay informed about market movements.
Historical Rates Endpoint: Users can access historical rates for silver dating back to 2019. By appending a specific date to the API request, you can retrieve the price of silver on that date, allowing for in-depth analysis of price trends over time.
Bid And Ask Endpoint: This feature enables users to retrieve real-time bid and ask prices for silver. Understanding the spread between these prices is crucial for traders looking to execute buy or sell orders effectively.
Convert Endpoint: The Metals-API includes a currency conversion endpoint that allows users to convert amounts from one metal to another or to/from USD. This is particularly useful for businesses operating in multiple currencies.
Time-Series Endpoint: This endpoint allows users to query the API for daily historical rates between two dates of their choice. This is invaluable for conducting trend analysis and forecasting future price movements.
Fluctuation Endpoint: Users can track how silver prices fluctuate on a day-to-day basis. This endpoint provides insights into market volatility, helping traders make informed decisions.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides the open, high, low, and close prices for silver over a specified time period, allowing for comprehensive market analysis.
Lowest/Highest Price Endpoint: Users can query the API to get the lowest and highest price of silver for a given date, which is essential for understanding market extremes.
Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols, dating back to 2008, which can be useful for comparative analysis.
API Key: Access to the Metals-API requires an API key, which is passed into the API base URL's access_key parameter. This ensures secure access to the data.
API Response: The exchange rates delivered by the Metals-API are relative to USD by default, and all data is returned in a structured JSON format.
Supported Symbols Endpoint: This endpoint returns all available metal symbols, allowing users to easily find the symbols they need for their queries.
News Endpoint: The Metals-API also provides a news endpoint that retrieves the latest articles related to various metals, keeping users informed about market developments.

API Endpoint Examples and Responses

To illustrate the capabilities of the Metals-API, let’s explore some example responses for key endpoints.

Latest Rates Endpoint

{
    "success": true,
    "timestamp": 1749880872,
    "base": "USD",
    "date": "2025-06-14",
    "rates": {
        "XAU": 0.000482,
        "XAG": 0.03815,
        "XPT": 0.000912,
        "XPD": 0.000744
    },
    "unit": "per troy ounce"
}

This response indicates that the current price of silver (XAG) is 0.03815 USD per troy ounce. Such real-time data is essential for traders looking to make quick decisions based on market conditions.

Historical Rates Endpoint

{
    "success": true,
    "timestamp": 1749794472,
    "base": "USD",
    "date": "2025-06-13",
    "rates": {
        "XAU": 0.000485,
        "XAG": 0.03825,
        "XPT": 0.000915,
        "XPD": 0.000748
    },
    "unit": "per troy ounce"
}

This response shows the historical price of silver on June 13, 2025, allowing users to analyze price movements over time.

Time-Series Endpoint

{
    "success": true,
    "timeseries": true,
    "start_date": "2025-06-07",
    "end_date": "2025-06-14",
    "base": "USD",
    "rates": {
        "2025-06-07": {
            "XAU": 0.000485,
            "XAG": 0.03825,
            "XPT": 0.000915
        },
        "2025-06-09": {
            "XAU": 0.000483,
            "XAG": 0.0382,
            "XPT": 0.000913
        },
        "2025-06-14": {
            "XAU": 0.000482,
            "XAG": 0.03815,
            "XPT": 0.000912
        }
    },
    "unit": "per troy ounce"
}

This time-series response provides daily rates for silver over a specified period, which is useful for trend analysis and forecasting.

Convert Endpoint

{
    "success": true,
    "query": {
        "from": "USD",
        "to": "XAU",
        "amount": 1000
    },
    "info": {
        "timestamp": 1749880872,
        "rate": 0.000482
    },
    "result": 0.482,
    "unit": "troy ounces"
}

This response shows the conversion of 1000 USD to troy ounces of gold, demonstrating the versatility of the Metals-API in handling various metals.

Fluctuation Endpoint

{
    "success": true,
    "fluctuation": true,
    "start_date": "2025-06-07",
    "end_date": "2025-06-14",
    "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"
}

This fluctuation response provides insights into how silver prices have changed over a specific period, which is crucial for understanding market volatility.

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

{
    "success": true,
    "timestamp": 1749880872,
    "base": "USD",
    "date": "2025-06-14",
    "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"
}

This OHLC response provides a comprehensive view of the price movements for silver over a specific day, which is essential for traders looking to analyze market trends.

Bid/Ask Endpoint

{
    "success": true,
    "timestamp": 1749880872,
    "base": "USD",
    "date": "2025-06-14",
    "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"
}

This bid/ask response provides the current bid and ask prices for silver, which is essential for traders looking to execute orders effectively.

Conclusion

Accessing historical prices for the Silver Continuous Contract (SI00) is made simple and efficient with the Metals-API. By utilizing its various endpoints, developers can create applications that provide valuable insights into the silver market. Whether you are analyzing trends, tracking fluctuations, or converting between metals, the Metals-API offers a comprehensive solution for all your needs.

For more detailed information on how to implement these features, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols to find the relevant metal symbols for your queries. With the right tools and data at your disposal, you can navigate the complexities of the silver market with confidence.

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Get Silver Continuous Contract (SI00) Historical Prices for the Last Five Years using this API