Collect Cayman Islands Dollar (KYD) Historical Prices through this API

Introduction

The Cayman Islands Dollar (KYD) is a vital currency in the Caribbean, known for its stability and significance in international finance. For developers and financial analysts looking to collect historical prices of the KYD, the Metals-API offers a robust solution. This API provides real-time and historical data for various currencies, including the KYD, enabling users to build applications that require accurate financial data. In this blog post, we will explore how to leverage the Metals-API to collect historical prices of the Cayman Islands Dollar, focusing on its features, capabilities, and practical applications.

Understanding the Metals-API

The Metals-API is a powerful tool designed for developers who need access to real-time and historical metal prices and currency exchange rates. With its innovative approach to data delivery, the API empowers users to integrate financial data seamlessly into their applications. The API supports a wide range of functionalities, including retrieving the latest rates, historical data, and even performing conversions between different currencies.

About Neodymium (ND)

Neodymium is a rare earth metal that has gained significant attention in recent years due to its applications in various high-tech industries. As the world moves towards digital transformation, the demand for neodymium is expected to rise, driven by technological innovations in electronics, renewable energy, and smart technology integration. The Metals-API plays a crucial role in providing real-time data analytics and insights into the neodymium market, allowing developers to create applications that can track price fluctuations and market trends effectively.

API Description

The Metals-API is designed to provide developers with comprehensive access to metals and currency exchange data. Its capabilities include:

• Real-time Data: The API offers real-time exchange rates that are updated frequently, ensuring that users have the most current information available.
• Historical Data: Users can access historical rates dating back to 2019, allowing for in-depth analysis and trend tracking.
• Flexible Endpoints: The API includes various endpoints that cater to different data needs, such as the latest rates, historical rates, and conversion functionalities.

For detailed information on how to use the API, refer to the Metals-API Documentation.

Key Features of Metals-API

The Metals-API boasts several key features that make it an invaluable resource for developers:

Latest Rates Endpoint

The Latest Rates Endpoint provides real-time exchange rate data for various currencies, including the KYD. Depending on your subscription plan, this endpoint can return data updated every 60 minutes or even more frequently. This feature is particularly useful for applications that require up-to-the-minute pricing information.

{
"success": true,
"timestamp": 1782519427,
"base": "USD",
"date": "2026-06-27",
"rates": {
"KYD": 0.000482
},
"unit": "per troy ounce"
}

Historical Rates Endpoint

The Historical Rates Endpoint allows users to access exchange rates for any date since 2019. This feature is essential for developers looking to analyze trends over time or conduct financial forecasting. By appending a specific date to the API call, users can retrieve historical data for the KYD.

{
"success": true,
"timestamp": 1782433027,
"base": "USD",
"date": "2026-06-26",
"rates": {
"KYD": 0.000485
},
"unit": "per troy ounce"
}

Bid and Ask Endpoint

The Bid and Ask Endpoint provides real-time bid and ask prices for the KYD and other currencies. This feature is crucial for traders and financial analysts who need to understand market dynamics and make informed decisions based on current pricing.

{
"success": true,
"timestamp": 1782519427,
"base": "USD",
"date": "2026-06-27",
"rates": {
"KYD": {
"bid": 0.000481,
"ask": 0.000483,
"spread": 2.0e-6
}
},
"unit": "per troy ounce"
}

Convert Endpoint

The Convert Endpoint allows users to convert any amount from one currency to another, including conversions involving the KYD. This feature is particularly useful for applications that require currency conversion functionalities, such as e-commerce platforms or financial analysis tools.

{
"success": true,
"query": {
"from": "USD",
"to": "KYD",
"amount": 1000
},
"info": {
"timestamp": 1782519427,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Time-Series Endpoint

The Time-Series Endpoint allows users to query the API for daily historical rates between two dates of their choice. This feature is invaluable for developers looking to analyze trends over specific periods, enabling them to visualize data and make informed predictions.

{
"success": true,
"timeseries": true,
"start_date": "2026-06-20",
"end_date": "2026-06-27",
"base": "USD",
"rates": {
"2026-06-20": {
"KYD": 0.000485
},
"2026-06-27": {
"KYD": 0.000482
}
},
"unit": "per troy ounce"
}

Fluctuation Endpoint

The Fluctuation Endpoint provides information about how the KYD fluctuates on a day-to-day basis. This feature is essential for understanding market volatility and can help developers create applications that alert users to significant changes in currency values.

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-20",
"end_date": "2026-06-27",
"base": "USD",
"rates": {
"KYD": {
"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

The OHLC Price Endpoint allows users to retrieve the open, high, low, and close prices for the KYD over a specified time period. This data is crucial for traders who need to analyze market trends and make informed trading decisions.

{
"success": true,
"timestamp": 1782519427,
"base": "USD",
"date": "2026-06-27",
"rates": {
"KYD": {
"open": 0.000485,
"high": 0.000487,
"low": 0.000481,
"close": 0.000482
}
},
"unit": "per troy ounce"
}

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 working with metals that are traded on the London Metal Exchange, allowing for comprehensive market analysis.

{
"success": true,
"timestamp": 1782433027,
"base": "USD",
"date": "2026-06-26",
"rates": {
"KYD": 0.000485
},
"unit": "per troy ounce"
}

API Key and Authentication

To access the Metals-API, users must obtain an API key, which is passed into the API base URL's access_key parameter. This key is essential for authentication and ensures that only authorized users can access the API's functionalities.

API Response Structure

The 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 crucial for effective integration.

Practical Use Cases

There are numerous practical applications for the Metals-API, particularly for developers working in finance, trading, and analytics:

• Financial Applications: Developers can create applications that track the historical prices of the KYD, providing users with insights into currency trends and market behavior.
• Trading Platforms: By integrating the Metals-API, trading platforms can offer real-time pricing information, enabling traders to make informed decisions based on current market conditions.
• Data Analysis Tools: Analysts can use the API to gather historical data for the KYD, allowing for in-depth analysis and forecasting based on past performance.

Conclusion

The Cayman Islands Dollar (KYD) is a significant currency in the Caribbean, and the Metals-API provides a comprehensive solution for developers looking to collect historical prices and real-time data. With its robust features, including the Latest Rates, Historical Rates, and various conversion endpoints, the Metals-API empowers users to build innovative applications that leverage financial data effectively. By understanding the capabilities of the API and its response structure, developers can create powerful tools that enhance financial analysis and trading strategies. For more information, visit the Metals-API Website and explore the Metals-API Supported Symbols for a complete list of available currencies.