Get Gold May 2026 (GCK26) prices through RESTful API calls

Introduction

In the ever-evolving landscape of financial technology, the ability to access real-time data is paramount for traders and developers alike. One of the most significant assets in the market is Gold, represented by the symbol XAU. As we look towards May 2026, understanding how to retrieve Gold (XAU) prices through RESTful API calls is crucial for making informed trading decisions. This blog post will delve into the capabilities of the Metals-API, exploring its innovative features, endpoints, and how it empowers developers to create next-generation applications in the precious metals market.

Metals-API Information

About Gold (XAU)

Gold has long been a symbol of wealth and stability, and its digital transformation is reshaping how traders and investors interact with this precious metal. The integration of data analytics and market insights is revolutionizing the trading landscape, allowing for more informed decisions based on real-time data. With the rise of technology in trading, innovations in price discovery are becoming increasingly important. The Metals-API provides a robust framework for accessing real-time and historical data on Gold and other metals, enabling developers to build sophisticated applications that leverage this information.

As the market for digital assets continues to grow, the demand for reliable and accurate data sources is more critical than ever. The Metals-API stands out by offering comprehensive access to various metal prices, including Gold, Silver, Platinum, and Palladium. This API not only facilitates trading but also enhances the overall understanding of market dynamics through advanced data analytics.

API Description

The Metals-API is designed to provide developers with the tools necessary to access real-time metals data efficiently. Its capabilities extend beyond simple price retrieval; it empowers users to build applications that can analyze trends, track fluctuations, and convert currencies seamlessly. The API's architecture is built on RESTful principles, ensuring that developers can integrate it into their applications with ease.

One of the standout features of the Metals-API is its ability to deliver real-time exchange rate data, which is updated frequently based on the user's subscription plan. This means that whether you are a casual trader or a professional investor, you can access the latest market information to inform your decisions. The API also supports a variety of endpoints that cater to different needs, from historical data analysis to currency conversion.

Key Features and Endpoints

The Metals-API offers a range of endpoints that provide various functionalities, each designed to meet specific user needs:

• Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data for Gold and other metals, updated every 60 minutes or even every 10 minutes. This feature is essential for traders who need the most current information to make quick decisions.
• Historical Rates Endpoint: Access historical rates dating back to 2019 by appending a specific date to your query. This is invaluable for analyzing past trends and making predictions about future movements.
• Bid And Ask Endpoint: Retrieve real-time Bid and Ask prices for metals, allowing traders to understand the market's current buying and selling prices.
• Convert Endpoint: This endpoint enables users to convert any amount from one metal to another or to/from USD, making it easier to manage investments across different currencies.
• Time-Series Endpoint: Query the API for daily historical rates between two dates of your choice, providing insights into price movements over time.
• Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis, helping traders identify patterns and make informed decisions.
• Carat Endpoint: Retrieve information about Gold rates by Carat, which is particularly useful for jewelers and those dealing in high-value items.
• Lowest/Highest Price Endpoint: Query the API to get the lowest and highest price for a specified date, aiding in market analysis.
• Open/High/Low/Close (OHLC) Price Endpoint: Get the open, high, low, and close prices for a specific time period, which is crucial for technical analysis.
• Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, providing a comprehensive view of market trends.
• API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
• API Response: Exchange rates are delivered relative to USD by default, with all data returned in a structured JSON format.
• Available Endpoints: The API includes 14 endpoints, each providing different functionalities to cater to various user needs.
• Supported Symbols Endpoint: Access a constantly updated list of all available currencies and metals supported by the API.
• News Endpoint: Retrieve the latest news articles related to various metals, keeping users informed about market developments.

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 structure of API responses is crucial for effective integration. Below are examples of the JSON responses you can expect from various endpoints:

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1765152070,
"base": "USD",
"date": "2025-12-08",
"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": 1765065670,
"base": "USD",
"date": "2025-12-07",
"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": "2025-12-01",
"end_date": "2025-12-08",
"base": "USD",
"rates": {
"2025-12-01": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2025-12-03": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2025-12-08": {
"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": 1765152070,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2025-12-01",
"end_date": "2025-12-08",
"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": 1765152070,
"base": "USD",
"date": "2025-12-08",
"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": 1765152070,
"base": "USD",
"date": "2025-12-08",
"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 represents a significant advancement in the way traders and developers can access and utilize data related to precious metals like Gold. With its comprehensive range of endpoints, real-time data capabilities, and user-friendly structure, this API is an invaluable tool for anyone looking to navigate the complexities of the metals market. By leveraging the power of data analytics and technology integration, users can gain deeper insights into market trends, optimize their trading strategies, and ultimately make more informed decisions.

For developers looking to integrate this powerful API into their applications, the Metals-API Documentation provides all the necessary information to get started. Whether you are interested in accessing historical data, tracking fluctuations, or converting currencies, the Metals-API offers the tools you need to succeed in the dynamic world of precious metals trading.