Best Gold (XAU) prices API in 2025 for Financial Applications

Introduction
Metals-API, which provides comprehensive information on gold prices (XAU) and other precious metals. This blog post will delve into the capabilities of the Metals-API, exploring how it empowers developers to create innovative financial applications that leverage real-time data analytics and market insights.
About Gold (XAU)
API Description
Metals-API is a powerful tool designed for developers who require real-time and historical data on precious metals. With its robust architecture, the API enables seamless integration into various financial applications, providing users with the ability to access a wide range of functionalities. The API's capabilities include retrieving the latest rates, historical data, and even performing currency conversions, all of which are essential for building next-generation financial applications.
Metals-API Documentation.
Key Features and Endpoints
Latest Rates Endpoint
{
"success": true,
"timestamp": 1742090412,
"base": "USD",
"date": "2025-03-16",
"rates": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912,
"XPD": 0.000744
},
"unit": "per troy ounce"
}
Historical Rates Endpoint
{
"success": true,
"timestamp": 1742004012,
"base": "USD",
"date": "2025-03-15",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"unit": "per troy ounce"
}
Bid And Ask Endpoint
{
"success": true,
"timestamp": 1742090412,
"base": "USD",
"date": "2025-03-16",
"rates": {
"XAU": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
}
},
"unit": "per troy ounce"
}
Convert Endpoint
{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1742090412,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}
Time-Series Endpoint
{
"success": true,
"timeseries": true,
"start_date": "2025-03-09",
"end_date": "2025-03-16",
"base": "USD",
"rates": {
"2025-03-09": {
"XAU": 0.000485
},
"2025-03-16": {
"XAU": 0.000482
}
},
"unit": "per troy ounce"
}
Fluctuation Endpoint
{
"success": true,
"fluctuation": true,
"start_date": "2025-03-09",
"end_date": "2025-03-16",
"base": "USD",
"rates": {
"XAU": {
"start_rate": 0.000485,
"end_rate": 0.000482,
"change": -3.0e-6,
"change_pct": -0.62
}
},
"unit": "per troy ounce"
}
Open/High/Low/Close (OHLC) Price Endpoint
{
"success": true,
"timestamp": 1742090412,
"base": "USD",
"date": "2025-03-16",
"rates": {
"XAU": {
"open": 0.000485,
"high": 0.000487,
"low": 0.000481,
"close": 0.000482
}
},
"unit": "per troy ounce"
}
Historical LME Endpoint
{
"success": true,
"timestamp": 1742004012,
"base": "USD",
"date": "2025-03-16",
"rates": {
"XAU": 0.000482
},
"unit": "per troy ounce"
}
API Key and Authentication
API Response
Performance Optimization and Security Considerations
Conclusion
Metals-API stands out as a leading solution for developers seeking real-time and historical data on precious metals, particularly gold (XAU). With its extensive range of features, including the Latest Rates, Historical Rates, and various conversion endpoints, the API empowers developers to create innovative financial applications that leverage accurate data analytics and market insights. As the financial landscape continues to evolve, integrating such powerful tools will be essential for staying competitive in the precious metals market.
Metals-API Website or explore the Metals-API Documentation for detailed guidance on implementation. To view a comprehensive list of supported symbols, check out the Metals-API Supported Symbols page.