Access Uniswap (UNI) Exchange Rates in JSON Format Using API Calls

In the rapidly evolving landscape of digital finance, accessing real-time exchange rates is crucial for developers and traders alike. One of the most effective ways to retrieve exchange rates for metals, including Nickel (NI), is through the Metals-API. This powerful tool allows users to access exchange rates in JSON format, making it easier to integrate into applications and services. In this blog post, we will explore how to access Uniswap (UNI) exchange rates using the Metals-API, delve into the features and capabilities of the API, and provide practical examples of its use.

Metals-API Information

The Metals-API is a comprehensive solution for retrieving real-time and historical exchange rates for various metals. It is designed to empower developers to create innovative applications that leverage real-time data analytics and insights. With the rise of digital transformation in metal markets, the Metals-API stands out as a beacon of technological advancement, enabling smart technology integration and offering a glimpse into future trends.

About Nickel (NI)

Nickel (NI) is a vital metal in various industries, particularly in the production of stainless steel and batteries. As the world moves towards greener technologies, the demand for Nickel is expected to surge, driven by its use in electric vehicle batteries and renewable energy storage solutions. The digital transformation in metal markets is reshaping how Nickel is traded and valued, with data analytics playing a crucial role in understanding market dynamics.

Technological innovations are paving the way for smarter trading platforms that utilize real-time data to inform decision-making. The integration of advanced data analytics tools allows traders to gain insights into market trends, price fluctuations, and potential investment opportunities. As we look to the future, the possibilities for Nickel and other metals are vast, with the potential for increased efficiency and transparency in trading.

API Description

The Metals-API provides a robust set of features that allow developers to access real-time and historical metals data. This API is not just a tool; it is a transformative platform that empowers developers to build next-generation applications. With capabilities to retrieve the latest rates, historical data, and conversion functionalities, the Metals-API is essential for anyone looking to work with metals data.

For more information, visit the Metals-API Website or check out the Metals-API Documentation for detailed guidance on implementation.

Key Features and Endpoints

The Metals-API offers a variety of endpoints, each designed to provide specific functionalities that cater to different needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data for metals, updated every 60 minutes, every 10 minutes, or even more frequently, depending on your subscription plan. This feature is essential for applications that require up-to-the-minute pricing information.
Historical Rates Endpoint: Users can access historical rates dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can query the API for past exchange rates, which is invaluable for trend analysis and forecasting.
Bid And Ask Endpoint: This feature allows users to retrieve real-time bid and ask prices for metals. Understanding the bid-ask spread is crucial for traders looking to make informed decisions.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, enabling users to convert any amount from one metal to another or to/from USD. This is particularly useful for applications that require multi-currency support.
Time-Series Endpoint: This endpoint allows users to query for daily historical rates between two specified dates, providing a comprehensive view of price movements over time.
Fluctuation Endpoint: Users can track how exchange rates fluctuate on a day-to-day basis, which is essential for understanding market volatility.
Carat Endpoint: This feature provides information about Gold rates by Carat, allowing users to access more granular data for precious metals.
Lowest/Highest Price Endpoint: This endpoint allows users to query for the lowest and highest prices of metals over a specified period, which can help in identifying market trends.
Open/High/Low/Close (OHLC) Price Endpoint: Users can retrieve OHLC data for a specific time period, which is crucial for technical analysis.
Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols dating back to 2008, allowing for extensive historical analysis.
API Key: Each user is provided with a unique API key that must be included in requests to authenticate and authorize access to the API.
API Response: The Metals-API delivers exchange rates relative to USD by default, ensuring consistency in data representation.
Available Endpoints: The API includes 14 different endpoints, each providing unique functionalities tailored to various 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 data.

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

Latest Rates Endpoint

To get real-time exchange rates for all available metals, you can use the following example response:

{
"success": true,
"timestamp": 1782284937,
"base": "USD",
"date": "2026-06-24",
"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"
}

This response indicates that the request was successful and provides the latest exchange rates for various metals, with the base currency being USD.

Historical Rates Endpoint

Accessing historical exchange rates for any date since 1999 can be done with the following example response:

{
"success": true,
"timestamp": 1782198537,
"base": "USD",
"date": "2026-06-23",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

This response shows the historical rates for the specified date, allowing for analysis of past market conditions.

Time-series Endpoint

To get exchange rates for a specific time period, the following example response can be used:

{
"success": true,
"timeseries": true,
"start_date": "2026-06-17",
"end_date": "2026-06-24",
"base": "USD",
"rates": {
"2026-06-17": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-06-19": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-06-24": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

This response provides a time series of exchange rates, allowing developers to visualize trends over the specified period.

Convert Endpoint

The Convert Endpoint allows users to convert any amount 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": 1782284937,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

This response indicates a successful conversion from USD to Gold (XAU), providing the conversion rate and the result in troy ounces.

Fluctuation Endpoint

To track rate fluctuations between two dates, the following example response can be used:

{
"success": true,
"fluctuation": true,
"start_date": "2026-06-17",
"end_date": "2026-06-24",
"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 exchange rates have fluctuated over the specified period, which is crucial for traders looking to understand market dynamics.

OHLC (Open/High/Low/Close) Endpoint

To get OHLC data for a specific time period, the following example response can be used:

{
"success": true,
"timestamp": 1782284937,
"base": "USD",
"date": "2026-06-24",
"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 the open, high, low, and close prices for the specified date, which is essential for technical analysis in trading.

Bid/Ask Endpoint

To get current bid and ask prices for metals, the following example response can be used:

{
"success": true,
"timestamp": 1782284937,
"base": "USD",
"date": "2026-06-24",
"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 the current bid and ask prices, along with the spread, which is critical for traders looking to execute orders effectively.

Conclusion

In conclusion, the Metals-API is an invaluable resource for developers looking to access real-time and historical exchange rates for metals, including Nickel (NI). With its comprehensive set of features and endpoints, the API empowers users to build innovative applications that leverage real-time data analytics. By understanding the capabilities of the Metals-API and how to effectively utilize its endpoints, developers can create powerful tools for trading and market analysis.

For further exploration of the API's capabilities, be sure to visit the Metals-API Documentation and check out the Metals-API Supported Symbols page for a complete list of available symbols. The future of trading metals is bright, and with the right tools, developers can harness the power of real-time data to drive their applications forward.

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Access Uniswap (UNI) Exchange Rates in JSON Format Using API Calls