Receive Gold May 2027 (GCK27) Historical Prices via this API

In the ever-evolving landscape of precious metals trading, the ability to access historical prices for gold (XAU) is crucial for developers and traders alike. The Metals-API provides a robust solution for retrieving real-time and historical data, empowering users to make informed decisions based on accurate market insights. This blog post delves into the transformative potential of the Metals-API, focusing on how it can be utilized to access historical prices for gold, particularly for the month of May 2027.

About Gold (XAU)

Gold has long been regarded as a safe haven asset, a hedge against inflation, and a store of value. As digital transformation sweeps through the financial sector, the integration of technology in precious metals trading is becoming increasingly important. The Metals-API stands at the forefront of this transformation, offering developers the tools necessary to harness data analytics and market insights effectively.

With the rise of digital asset solutions, the trading landscape is shifting. The Metals-API allows for seamless technology integration, enabling traders to innovate in price discovery and enhance their trading strategies. By leveraging real-time metals data, developers can create next-generation applications that provide users with unparalleled access to market information.

API Description

The Metals-API is a powerful tool that provides access to real-time and historical prices for various metals, including gold (XAU). This API is designed to empower developers to build applications that require accurate and timely data. With its user-friendly interface and comprehensive documentation, the Metals-API simplifies the process of integrating metals data into applications.

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 data needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, updated based on your subscription plan. Depending on the plan, updates can occur every 60 minutes or every 10 minutes, ensuring that users have access to the most current market rates.
Historical Rates Endpoint: Users can access historical rates for gold and other metals dating back to 2019. By appending a specific date (YYYY-MM-DD) to the endpoint, developers can retrieve historical data, which is essential for analyzing market trends and making informed trading decisions.
Bid and Ask Endpoint: This feature allows users to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert amounts between different metals or to/from USD. This is particularly useful for traders dealing with multiple currencies.
Time-Series Endpoint: This endpoint allows users to query daily historical rates between two specified dates. It is invaluable for analyzing price movements over time and identifying trends.
Fluctuation Endpoint: Users can track how metal prices fluctuate on a day-to-day basis, providing insights into market volatility and helping traders make strategic decisions.
Carat Endpoint: This feature allows users to retrieve gold rates by carat, which is essential for jewelers and those involved in the jewelry market.
Lowest/Highest Price Endpoint: This endpoint enables users to query the API for the lowest and highest prices of metals over a specified period, aiding in market analysis.
Open/High/Low/Close (OHLC) Price Endpoint: Users can access OHLC data for a specific time period, which is crucial for technical analysis and trading strategies.
Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols dating back to 2008, allowing for comprehensive market analysis.
API Key: Each user is assigned a unique API key that 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 presentation.
Available Endpoints: The API features 14 endpoints, each designed to provide specific functionalities tailored to user needs.
Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available currencies and metals, ensuring users have access to the latest information.

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 Metals-API Supported Symbols page.

API Endpoint Examples and Responses

Understanding the API responses is crucial for effective implementation. Below are examples of various endpoints and their corresponding JSON responses:

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1779841180,
"base": "USD",
"date": "2026-05-27",
"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": 1779754780,
"base": "USD",
"date": "2026-05-26",
"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": "2026-05-20",
"end_date": "2026-05-27",
"base": "USD",
"rates": {
"2026-05-20": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-05-22": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-05-27": {
"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": 1779841180,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-05-20",
"end_date": "2026-05-27",
"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": 1779841180,
"base": "USD",
"date": "2026-05-27",
"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": 1779841180,
"base": "USD",
"date": "2026-05-27",
"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

The Metals-API offers a comprehensive solution for accessing historical prices of gold (XAU) and other metals, providing developers with the tools necessary to create innovative applications in the financial sector. By leveraging the various endpoints, users can obtain real-time data, historical rates, and detailed market insights that are essential for making informed trading decisions.

As the market continues to evolve, the integration of technology in precious metals trading will play a pivotal role in shaping the future of finance. The Metals-API stands out as a leader in this space, offering a wealth of features and capabilities that empower developers to harness the power of data analytics and market insights.

For further exploration of the API's capabilities, developers are encouraged to review the Metals-API Documentation and familiarize themselves with the extensive range of supported symbols available on the Metals-API Supported Symbols page. With the right tools and insights, the potential for innovation in precious metals trading is limitless.

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Receive Gold May 2027 (GCK27) Historical Prices via this API