Implementing API calls to get Kolhapur Gold 22k (KOLH-22k) prices

Introduction

In the ever-evolving landscape of financial markets, the demand for real-time data on precious metals, particularly Gold (XAU), has surged. With the advent of digital transformation, API calls have become essential tools for developers seeking to access accurate and timely market insights. This blog post delves into the implementation of API calls to retrieve Kolhapur Gold 22k (KOLH-22k) prices using the Metals-API. We will explore the capabilities of this API, its endpoints, and how it empowers developers to create innovative applications that leverage real-time metals data.

About Gold (XAU)

Gold has long been regarded as a safe-haven asset, a hedge against inflation, and a store of value. As markets fluctuate, the integration of technology in trading has transformed how investors access and analyze gold prices. The digital transformation in precious metals trading has opened up new avenues for data analytics and market insights, allowing traders to make informed decisions based on real-time data.

With the rise of digital asset solutions, the demand for accurate gold pricing has never been higher. The Metals-API Documentation provides developers with the tools necessary to access gold prices and other precious metals seamlessly. By leveraging data analytics, developers can create applications that not only display current prices but also analyze historical trends, enabling users to make strategic investment decisions.

API Description

The Metals-API is a powerful tool that offers real-time and historical data on precious metals. This API is designed to empower developers to build next-generation applications that require accurate and timely metals data. With its innovative features and capabilities, the Metals-API allows users to access a wide range of endpoints that cater to various needs, from retrieving the latest rates to analyzing historical trends.

For developers looking to integrate metals data into their applications, the Metals-API provides a comprehensive suite of endpoints. These endpoints enable users to access real-time exchange rates, historical data, and even perform currency conversions. The API's ability to deliver data in a structured JSON format makes it easy for developers to parse and utilize the information in their applications.

Key Features and Endpoints

The Metals-API offers a variety of endpoints, each designed to serve specific purposes. Here are some of the key features:

• Latest Rates Endpoint: This endpoint provides real-time exchange rate data for precious metals, updated based on your subscription plan. Depending on the plan, updates can occur every 60 minutes, every 10 minutes, or even more frequently.
• Historical Rates Endpoint: Access historical rates dating back to 2019. By appending a date in the format YYYY-MM-DD, developers can query the API for past rates, allowing for comprehensive market analysis.
• Bid And Ask Endpoint: This feature retrieves real-time bid and ask prices for metals, providing critical information for traders looking to execute orders at optimal prices.
• Convert Endpoint: The API includes a currency conversion endpoint that allows users to convert amounts between different metals or from/to USD, facilitating seamless transactions.
• Time-Series Endpoint: Developers can query the API for daily historical rates between two specified dates, enabling detailed trend analysis over time.
• Fluctuation Endpoint: This endpoint provides insights into how metal prices fluctuate over specified periods, helping traders understand market volatility.
• Carat Endpoint: Users can retrieve gold rates by carat, which is particularly useful for jewelers and consumers interested in specific gold purity levels.
• Lowest/Highest Price Endpoint: This feature allows users to query the API for the lowest and highest prices of metals over a specified date range, aiding in market analysis.
• Open/High/Low/Close (OHLC) Price Endpoint: Developers can access OHLC data for specific time periods, providing a comprehensive view of price movements.
• Historical LME Endpoint: This endpoint offers historical rates for LME symbols dating back to 2008, allowing for extensive historical analysis.
• API Key: Each user is assigned a unique API key, which must be included in the API requests to authenticate and authorize access.
• API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data interpretation.
• Available Endpoints: The API provides a total of 14 endpoints, each designed to fulfill different functionalities, ensuring comprehensive coverage of 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. This resource is invaluable for developers looking to integrate specific metals into their applications.

API Endpoint Examples and Responses

Latest Rates Endpoint

The Latest Rates Endpoint allows developers to retrieve real-time exchange rates for all available metals. Below is an example response:

{
"success": true,
"timestamp": 1783469484,
"base": "USD",
"date": "2026-07-08",
"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"
}

In this response, the "rates" object contains the exchange rates for various metals relative to USD, with "XAU" representing gold.

Historical Rates Endpoint

Accessing historical exchange rates is crucial for market analysis. Here’s an example response from the Historical Rates Endpoint:

{
"success": true,
"timestamp": 1783383084,
"base": "USD",
"date": "2026-07-07",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

This response shows the historical rates for gold and other metals on a specific date, allowing developers to analyze trends over time.

Time-Series Endpoint

The Time-Series Endpoint enables developers to obtain exchange rates for a specific time period. Below is an example response:

{
"success": true,
"timeseries": true,
"start_date": "2026-07-01",
"end_date": "2026-07-08",
"base": "USD",
"rates": {
"2026-07-01": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-07-03": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-07-08": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

This response provides daily rates for the specified period, enabling developers to visualize trends and fluctuations in metal prices.

Convert Endpoint

The Convert Endpoint allows users to convert amounts from one metal to another or to/from USD. Here’s an example response:

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1783469484,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

This response indicates that 1000 USD is equivalent to 0.482 troy ounces of gold, showcasing the API's conversion capabilities.

Fluctuation Endpoint

The Fluctuation Endpoint tracks rate fluctuations between two dates. Below is an example response:

{
"success": true,
"fluctuation": true,
"start_date": "2026-07-01",
"end_date": "2026-07-08",
"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"
}

This response provides detailed information about how metal prices have changed over the specified period, including both absolute and percentage changes.

OHLC (Open/High/Low/Close) Endpoint

The OHLC Endpoint provides open, high, low, and close data for a specific time period. Here’s an example response:

{
"success": true,
"timestamp": 1783469484,
"base": "USD",
"date": "2026-07-08",
"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"
}

This response provides a comprehensive view of price movements within a specified timeframe, essential for traders looking to analyze market behavior.

Bid/Ask Endpoint

The Bid/Ask Endpoint retrieves current bid and ask prices for metals. Below is an example response:

{
"success": true,
"timestamp": 1783469484,
"base": "USD",
"date": "2026-07-08",
"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"
}

This response provides critical information for traders, including the current bid and ask prices, which are essential for executing trades effectively.

Conclusion

The Metals-API serves as a vital resource for developers looking to access real-time and historical data on precious metals, particularly Gold (XAU). By leveraging the various endpoints offered by the API, developers can create innovative applications that provide users with accurate market insights and analytics. The ability to access real-time rates, historical data, and perform conversions empowers traders and investors to make informed decisions in a rapidly changing market.

As the demand for digital asset solutions continues to grow, the Metals-API stands out as a transformative tool in the realm of precious metals trading. By integrating this API into applications, developers can enhance user experiences and provide valuable insights into the dynamics of the gold market. For more information on how to implement these features, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols page for a comprehensive list of available metals.