The Easiest Way to Get Uniswap (UNI) Historical Rates via API Integration

In the rapidly evolving world of cryptocurrency, having access to accurate historical data is crucial for developers and analysts alike. One of the most effective ways to obtain historical rates for Uniswap (UNI) is through the Metals-API. This powerful API provides real-time and historical data for various metals, including Nickel (NI), and can be leveraged to gain insights into market trends and price fluctuations. In this blog post, we will explore how to seamlessly integrate the Metals-API into your applications to retrieve Uniswap historical prices, along with detailed examples, parameters, and data formats.

Metals-API Information

About Nickel (NI)

Nickel is a vital metal in various industries, particularly in the production of stainless steel and batteries. As the market for electric vehicles grows, the demand for Nickel is expected to surge. The digital transformation in metal markets has led to technological innovations that enable real-time data analytics and insights. By integrating smart technology into metal trading, developers can create applications that not only track prices but also predict future trends based on historical data.

The Metals-API is at the forefront of this transformation, providing developers with the tools necessary to build next-generation applications that can analyze and visualize metal prices, including Nickel. With the ability to access real-time and historical data, developers can harness the power of data analytics to make informed decisions and optimize their trading strategies.

API Description

The Metals-API is a robust platform that offers a wide range of capabilities for accessing metals data. It empowers developers to build applications that can retrieve real-time exchange rates, historical prices, and other valuable information. The API is designed for ease of use, with comprehensive documentation available at the Metals-API Documentation. This documentation provides detailed information on how to authenticate, make requests, and interpret responses.

One of the standout features of the Metals-API is its ability to deliver real-time metals data, which can be crucial for applications that require up-to-the-minute information. The API supports a variety of endpoints, each tailored to specific use cases, allowing developers to access the data they need efficiently. For a complete list of supported symbols, including Nickel, you can refer to the Metals-API Supported Symbols page.

Key Features and Endpoints

The Metals-API offers several key features that can be utilized to retrieve historical rates for Uniswap (UNI) and other metals. Below, we will explore some of these features in detail:

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 the latest market data.
Historical Rates Endpoint: Developers can access historical rates for most currencies dating back to 2019. By appending a specific date (YYYY-MM-DD) to the endpoint, users can retrieve historical data for any given day. This is particularly useful for analyzing trends over time.
Bid And Ask Endpoint: This powerful feature allows users to retrieve real-time bid and ask prices for metals. Depending on your subscription plan, this endpoint can provide insights into market liquidity and pricing dynamics.
Convert Endpoint: The Metals-API includes a currency conversion endpoint that allows users to convert any amount from one currency to another. This is particularly useful for applications that need to handle multiple currencies.
Time-Series Endpoint: This endpoint enables users to query the API for daily historical rates between two dates of their choice. This feature is ideal for conducting in-depth analyses of price movements over specific periods.
Fluctuation Endpoint: Users can track how currencies fluctuate on a day-to-day basis using this endpoint. It provides valuable insights into market volatility and can help developers build applications that react to price changes.
Carat Endpoint: This endpoint allows users to retrieve information about gold rates by carat. It is particularly useful for applications focused on jewelry and precious metals.
Lowest/Highest Price Endpoint: This feature allows users to query the API for the lowest and highest prices over a specified period, providing insights into market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific time period, which is essential for technical analysis.
Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols dating back to 2008, allowing users to analyze long-term trends.
API Key: Each user must obtain a unique API key, which is passed into the API base URL's access_key parameter to authenticate requests.
API Response: The Metals-API delivers exchange rates relative to USD by default. All data is returned in a structured JSON format, making it easy to parse and utilize in applications.
Available Endpoints: The Metals-API offers 14 different endpoints, each providing unique functionality tailored to various use cases.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies, ensuring that developers have access to the latest data.

API Endpoint Examples and Responses

To illustrate how to use the Metals-API effectively, let’s explore some example endpoints and their corresponding JSON responses.

Latest Rates Endpoint

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

{
"success": true,
"timestamp": 1783930077,
"base": "USD",
"date": "2026-07-13",
"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 API call was successful and provides the latest rates for various metals, including Nickel (XNI).

Historical Rates Endpoint

To access historical exchange rates for any date since 1999, you can use the following endpoint:

{
"success": true,
"timestamp": 1783843677,
"base": "USD",
"date": "2026-07-12",
"rates": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915,
"XPD": 0.000748
},
"unit": "per troy ounce"
}

This response shows the historical rates for a specific date, allowing developers to analyze past market behavior.

Time-series Endpoint

To get exchange rates for a specific time period, you can use the following endpoint:

{
"success": true,
"timeseries": true,
"start_date": "2026-07-06",
"end_date": "2026-07-13",
"base": "USD",
"rates": {
"2026-07-06": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-07-08": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-07-13": {
"XAU": 0.000482,
"XAG": 0.03815,
"XPT": 0.000912
}
},
"unit": "per troy ounce"
}

This response provides a time series of rates between two specified dates, enabling developers to visualize trends over time.

Convert Endpoint

To convert any amount from one metal to another or to/from USD, you can use the following endpoint:

{
"success": true,
"query": {
"from": "USD",
"to": "XAU",
"amount": 1000
},
"info": {
"timestamp": 1783930077,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

This response shows the conversion of 1000 USD to troy ounces of gold (XAU), providing a clear understanding of the conversion process.

Fluctuation Endpoint

To track rate fluctuations between two dates, you can use the following endpoint:

{
"success": true,
"fluctuation": true,
"start_date": "2026-07-06",
"end_date": "2026-07-13",
"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 insights into how the rates have changed over the specified period, which can be crucial for making trading decisions.

OHLC (Open/High/Low/Close) Endpoint

To get OHLC data for a specific time period, you can use the following endpoint:

{
"success": true,
"timestamp": 1783930077,
"base": "USD",
"date": "2026-07-13",
"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 and trading strategies.

Bid/Ask Endpoint

To get current bid and ask prices for metals, you can use the following endpoint:

{
"success": true,
"timestamp": 1783930077,
"base": "USD",
"date": "2026-07-13",
"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 for various metals, which is crucial for traders looking to make informed decisions.

Conclusion

In conclusion, the Metals-API offers a comprehensive solution for developers looking to access historical rates for Uniswap (UNI) and other metals. With its wide range of endpoints, real-time data capabilities, and detailed documentation, the API empowers developers to build sophisticated applications that can analyze and visualize market trends. By leveraging the various features of the Metals-API, developers can create tools that not only track prices but also provide insights into market dynamics.

For more information on how to get started with the Metals-API, visit the Metals-API Website and explore the extensive documentation available. Whether you are building a trading platform, a market analysis tool, or a data visualization application, the Metals-API provides the necessary resources to succeed in the competitive world of metals trading.

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The Easiest Way to Get Uniswap (UNI) Historical Rates via API Integration