Query Lucknow Gold 18k (LUCK-18k) prices using this API

Introduction

In the dynamic world of precious metals, gold (XAU) stands out as a cornerstone of investment and trade. As the demand for real-time data and analytics grows, developers are increasingly turning to APIs to access vital market information. One such powerful tool is the Metals-API, which provides comprehensive data on gold prices, including the 18k gold variant (LUCK-18k). This blog post delves into the intricacies of gold markets, the transformative potential of the Metals-API, and how developers can leverage its capabilities to build innovative applications.

About Gold (XAU)

Gold has long been revered not only for its intrinsic value but also for its role as a hedge against inflation and economic uncertainty. The digital transformation in the precious metals market has revolutionized how investors and traders access information. With the integration of data analytics and market insights, stakeholders can make informed decisions based on real-time data.

Technological advancements have paved the way for innovation in price discovery, allowing for more accurate and timely assessments of gold's value. The rise of digital asset solutions has further enhanced the accessibility of gold trading, making it easier for individuals and institutions alike to engage in this market.

Metals-API Overview

The Metals-API is designed to empower developers by providing real-time and historical data on various metals, including gold. This API offers a suite of endpoints that facilitate seamless integration into applications, enabling users to access vital information effortlessly. With its focus on innovation and technological advancement, the Metals-API is a game-changer for those looking to harness the power of real-time metals data.

Key Features of Metals-API

The Metals-API boasts an array of features that cater to the diverse needs of developers and traders. Here are some of the key functionalities:

• Latest Rates Endpoint: Depending on your subscription plan, this endpoint provides real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This ensures that users have access to the most current market prices for gold and other metals.
• Historical Rates Endpoint: Users can query historical rates dating back to 2019 by appending a specific date (YYYY-MM-DD) to the API request. This feature is invaluable for analyzing trends and making informed investment decisions.
• Bid and Ask Endpoint: This powerful feature allows users to retrieve real-time bid and ask prices for gold and other metals, providing insights into market liquidity and pricing dynamics.
• Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert any amount from one currency to another, facilitating transactions across different markets.
• Time-Series Endpoint: This endpoint allows users to query daily historical rates between two chosen dates, making it easier to analyze price movements over time.
• Fluctuation Endpoint: Users can track how gold prices fluctuate on a day-to-day basis, providing insights into market volatility and trends.
• Carat Endpoint: This feature allows users to retrieve gold rates by carat, which is particularly useful for jewelers and consumers interested in specific gold qualities.
• Lowest/Highest Price Endpoint: Users can query the API to get the lowest and highest prices for gold over a specified period, aiding in market analysis.
• Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides users with the open, high, low, and close prices for gold, essential for technical analysis.
• Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, allowing for comprehensive market analysis.
• API Key: Each user is assigned a unique API key, which must be included in the API requests to authenticate access.
• API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
• Available Endpoints: With 14 API endpoints, the Metals-API provides a diverse range of functionalities to meet various user needs.
• Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies and metals, ensuring users have access to the latest information.
• News Endpoint: Retrieve the latest news articles related to various metals, keeping users informed about market developments.

API Endpoint Examples and Responses

Understanding how to interact with the Metals-API is crucial for developers. Below are examples of various API endpoints and their corresponding responses:

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1775952629,
"base": "USD",
"date": "2026-04-12",
"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": 1775866229,
"base": "USD",
"date": "2026-04-11",
"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": "2026-04-05",
"end_date": "2026-04-12",
"base": "USD",
"rates": {
"2026-04-05": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-04-07": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-04-12": {
"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": 1775952629,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-04-05",
"end_date": "2026-04-12",
"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": 1775952629,
"base": "USD",
"date": "2026-04-12",
"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": 1775952629,
"base": "USD",
"date": "2026-04-12",
"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 is a powerful tool for developers looking to integrate real-time gold pricing and historical data into their applications. By leveraging its extensive features, including the latest rates, historical data, and conversion capabilities, developers can create innovative solutions that enhance user experience and provide valuable insights into the gold market.

As the demand for accurate and timely data continues to grow, APIs like the Metals-API will play a crucial role in shaping the future of precious metals trading. For more information on how to get started, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols for a comprehensive list of available data points.

In a world where data drives decisions, the Metals-API stands out as a beacon of innovation, providing developers with the tools they need to succeed in the ever-evolving landscape of precious metals.