Get Gold May 2026 (GCK26) price data for your projects using this API

Introduction

In the ever-evolving landscape of financial markets, the demand for accurate and timely data is paramount, especially when it comes to precious metals like Gold (XAU). The Metals-API provides developers with a powerful tool to access real-time and historical data on Gold prices, enabling them to create innovative applications and gain valuable market insights. This blog post will delve into the capabilities of the Metals-API, exploring its features, endpoints, and the transformative potential it holds for developers working with Gold price data.

About Gold (XAU)

Gold has long been regarded as a safe haven asset, a hedge against inflation, and a store of value. As the world moves towards digital transformation, the integration of technology in trading and data analytics is reshaping how investors interact with this precious metal. The Metals-API stands at the forefront of this transformation, offering developers the ability to harness real-time data analytics and market insights to enhance their projects.

With the rise of digital asset solutions, understanding Gold's market dynamics has never been more critical. The Metals-API allows developers to innovate in price discovery, providing them with the tools necessary to build applications that can analyze trends, predict fluctuations, and make informed trading decisions.

API Description

The Metals-API is a comprehensive JSON API designed to provide real-time and historical data on various metals, including Gold (XAU). It empowers developers to create next-generation applications by offering a suite of endpoints that deliver accurate and timely data. The API's capabilities extend beyond mere price retrieval; it encompasses a wide range of functionalities that can be leveraged for various applications.

For detailed documentation on how to implement and utilize the API, developers can refer to the Metals-API Documentation. This resource provides comprehensive guidance on the API's features, endpoints, and best practices for integration.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different data needs, each designed to provide developers with the flexibility to access and utilize metal price data effectively.

Latest Rates Endpoint

The Latest Rates Endpoint is a cornerstone feature of the Metals-API. Depending on your subscription plan, this endpoint returns real-time exchange rate data for Gold and other metals, updated every 60 minutes, every 10 minutes, or even more frequently. This functionality is crucial for applications that require up-to-the-minute pricing information.

{
"success": true,
"timestamp": 1777939864,
"base": "USD",
"date": "2026-05-05",
"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"
}

In this response, the "rates" object provides the current exchange rates for various metals relative to USD, with Gold (XAU) being a primary focus.

Historical Rates Endpoint

Accessing historical rates is vital for market analysis and trend evaluation. The Historical Rates Endpoint allows developers to query the Metals-API for historical rates dating back to 2019. By appending a specific date in the format YYYY-MM-DD, users can retrieve past pricing data, which is essential for back-testing trading strategies.

{
"success": true,
"timestamp": 1777853464,
"base": "USD",
"date": "2026-05-04",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

This endpoint's response includes the historical rates for Gold and other metals, enabling developers to analyze price movements over time.

Bid And Ask Endpoint

The Bid and Ask Endpoint is a powerful feature that provides real-time bid and ask prices for Gold and other metals. This information is crucial for traders looking to make informed decisions based on current market conditions. Depending on the subscription plan, this endpoint can deliver precise bid and ask prices, allowing for effective trading strategies.

{
"success": true,
"timestamp": 1777939864,
"base": "USD",
"date": "2026-05-05",
"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"
}

The response includes the bid and ask prices for Gold, along with the spread, which is essential for traders to understand market liquidity.

Convert Endpoint

The Convert Endpoint allows developers 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": 1777939864,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

In this example, the response shows the conversion of 1000 USD to Gold (XAU), providing developers with a straightforward way to implement currency conversion in their applications.

Time-Series Endpoint

The Time-Series Endpoint enables developers to query the API for daily historical rates between two specified dates. This functionality is essential for analyzing trends and fluctuations over time, allowing for a deeper understanding of market behavior.

{
"success": true,
"timeseries": true,
"start_date": "2026-04-28",
"end_date": "2026-05-05",
"base": "USD",
"rates": {
"2026-04-28": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-30": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-05-05": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

This endpoint's response provides daily rates for Gold over the specified period, allowing developers to visualize trends and make data-driven decisions.

Fluctuation Endpoint

The Fluctuation Endpoint allows users to track rate fluctuations between two dates. This feature is particularly useful for understanding market volatility and making informed trading decisions based on historical data.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-28",
"end_date": "2026-05-05",
"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"
}

The response details the fluctuations in Gold prices over the specified period, providing insights into market trends and potential trading opportunities.

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

The OHLC Price Endpoint provides developers with the open, high, low, and close prices for Gold over a specific time period. This data is essential for technical analysis and understanding market movements.

{
"success": true,
"timestamp": 1777939864,
"base": "USD",
"date": "2026-05-05",
"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"
}

This endpoint's response includes critical price points for Gold, allowing developers to perform in-depth market analysis and make informed trading decisions.

Historical LME Endpoint

The Historical LME Endpoint provides access to historical rates for LME symbols dating back to 2008. This endpoint is particularly useful for developers interested in analyzing long-term trends in the metals market.

By utilizing this endpoint, developers can gain insights into historical price movements and market behavior, which can inform future trading strategies.

API Key and Authentication

To access the Metals-API, developers must obtain an API Key, which is a unique identifier that must be included in the API requests. This key is passed into the API base URL's access_key parameter, ensuring secure access to the API's functionalities.

Proper authentication is crucial for maintaining the integrity of the API and ensuring that only authorized users can access the data.

API Response and Data Structure

The Metals-API delivers exchange rates relative to USD by default. All data is returned in a structured JSON format, making it easy for developers to parse and utilize the information in their applications. Understanding the structure of the API response is essential for effective data handling.

Each response includes a success flag, a timestamp, the base currency, and the rates for various metals, allowing developers to quickly access the information they need.

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, developers can refer to the Metals-API Supported Symbols page. This resource is invaluable for developers looking to understand the available data and integrate it into their applications.

Conclusion

The Metals-API is an essential tool for developers working with Gold (XAU) and other precious metals. Its comprehensive suite of endpoints provides access to real-time and historical data, empowering developers to create innovative applications that leverage market insights and analytics. By integrating the Metals-API into their projects, developers can enhance their trading strategies, perform in-depth market analysis, and stay ahead in the competitive landscape of precious metals trading.

For further exploration of the API's capabilities, developers are encouraged to visit the Metals-API Website and review the Metals-API Documentation for detailed implementation guidance. The future of trading and investment in precious metals is here, and the Metals-API is at the forefront of this digital transformation.