Access Special Drawing Rights (XDR) Exchange Rates with API Key Authentication in JSON Format

In today's rapidly evolving financial landscape, the ability to access real-time data is crucial for developers and businesses alike. The Metals-API provides a powerful solution for retrieving Special Drawing Rights (XDR) exchange rates in JSON format, utilizing API key authentication. This blog post will delve into the capabilities of the Metals-API, focusing on its innovative features, practical applications, and how developers can leverage this tool to build next-generation applications.

About Tellurium (TE)

Tellurium (TE) is a fascinating metal that plays a significant role in various technological advancements. As we explore the digital transformation in metal markets, it's essential to recognize how technological innovation and data analytics are reshaping the landscape. The integration of smart technology into metal trading is paving the way for future trends, enabling more efficient and transparent transactions. By harnessing the power of data insights, developers can create applications that not only track prices but also predict market movements, enhancing decision-making processes.

API Description

The Metals-API is a robust platform designed to provide real-time metals data, empowering developers to create applications that require accurate and timely information. With a focus on innovation and technological advancement, the API allows users to access a wide range of functionalities, from retrieving the latest exchange rates to historical data analysis. The API's capabilities extend beyond mere data retrieval; it enables developers to build applications that can analyze trends, forecast prices, and provide insights into market dynamics.

For more information, you can visit the Metals-API Documentation, which provides comprehensive guidance on how to utilize the API effectively. Additionally, the Symbols List offers a complete overview of all supported symbols, ensuring that developers have access to the necessary data for their applications.

Key Features and Endpoints

The Metals-API boasts a variety of endpoints, each designed to cater to different data needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data, updated every 60 minutes, 10 minutes, or even more frequently, depending on your subscription plan. Developers can easily integrate this feature to display the most current rates for various metals.
Historical Rates Endpoint: Access historical rates dating back to 2019 by appending a specific date to the API call. This feature is invaluable for developers looking to analyze trends over time.
Bid and Ask Endpoint: Retrieve real-time bid and ask prices, allowing developers to implement trading functionalities within their applications.
Convert Endpoint: This endpoint enables currency conversion, allowing users to convert any amount from one currency to another seamlessly.
Time-Series Endpoint: Query the API for daily historical rates between two chosen dates, providing insights into price movements over specific periods.
Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis, which is essential for developers looking to implement features that monitor market volatility.
Carat Endpoint: Retrieve information about gold rates by carat, catering to applications focused on jewelry and precious metals.
Lowest/Highest Price Endpoint: Query the API to get the lowest and highest prices for a specific date, which can be useful for market analysis.
Open/High/Low/Close (OHLC) Price Endpoint: Access OHLC data for a specific time period, allowing developers to analyze market trends effectively.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, providing a wealth of data for analysis.
API Key: Your unique API key is essential for authentication and must be included in the API base URL's access_key parameter.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data representation.
Available Endpoints: With 14 API endpoints, each offering distinct functionalities, developers have a comprehensive toolkit at their disposal.
Supported Symbols Endpoint: Access a constantly updated list of all available currencies, ensuring developers can work with the latest data.
Intraday Endpoint: Query intraday exchange rate data for a single symbol, which is crucial for high-frequency trading applications.

List of Symbols

The Metals-API provides access to a comprehensive range of metal symbols. For a complete list of all supported symbols and their specifications, refer to the Symbols page. This resource is invaluable for developers looking to ensure they are working with the correct identifiers in their applications.

API Endpoint Examples and Responses

Latest Rates Endpoint

Get real-time exchange rates for all available metals:

{
"success": true,
"timestamp": 1787015289,
"base": "USD",
"date": "2026-08-18",
"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": 1786928889,
"base": "USD",
"date": "2026-08-17",
"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": "2026-08-11",
"end_date": "2026-08-18",
"base": "USD",
"rates": {
"2026-08-11": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-08-13": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-08-18": {
"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": 1787015289,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates:

{
"success": true,
"fluctuation": true,
"start_date": "2026-08-11",
"end_date": "2026-08-18",
"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": 1787015289,
"base": "USD",
"date": "2026-08-18",
"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": 1787015289,
"base": "USD",
"date": "2026-08-18",
"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

In conclusion, the Metals-API offers a comprehensive solution for accessing Special Drawing Rights (XDR) exchange rates and a wealth of other metal-related data. By leveraging its innovative features, developers can create applications that not only provide real-time data but also analyze historical trends and fluctuations. The API's extensive documentation and support for various endpoints make it an invaluable resource for developers looking to enhance their applications with accurate and timely metals data.

For further exploration, developers are encouraged to visit the Metals-API Documentation for detailed guidance on implementation, and the Symbols List to familiarize themselves with the available symbols. With the right tools and knowledge, the potential for innovation in the metal markets is limitless.

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Access Special Drawing Rights (XDR) Exchange Rates with API Key Authentication in JSON Format