The Easiest Way to Get Uniswap (UNI) Historical Rates from Public APIs

In the rapidly evolving world of cryptocurrency, having access to accurate historical data is crucial for developers and traders alike. One of the most effective ways to obtain historical rates for Uniswap (UNI) is through the Metals-API. This powerful API provides a comprehensive suite of tools for accessing real-time and historical data on various metals, including nickel (NI), and can be leveraged to gain insights into the broader market trends affecting cryptocurrencies. In this blog post, we will explore how to utilize the Metals-API to retrieve historical prices for UNI, detailing the various endpoints, parameters, and data formats available.

About Nickel (NI)

Nickel is a vital metal in the global economy, playing a significant role in various industries, including electronics, batteries, and stainless steel production. As the world moves towards digital transformation, the metal markets are also experiencing a shift driven by technological innovation and advancement. The integration of smart technologies and data analytics is revolutionizing how traders and developers interact with metal data.

With the rise of electric vehicles and renewable energy technologies, the demand for nickel is expected to surge. This trend highlights the importance of having access to real-time and historical data, enabling stakeholders to make informed decisions. The Metals-API empowers developers to build next-generation applications that can analyze historical trends, track price fluctuations, and forecast future movements in the metal markets.

API Description

The Metals-API is a robust solution for accessing real-time and historical metals data. It provides developers with the tools necessary to create applications that can analyze market trends, perform currency conversions, and retrieve historical rates. The API's capabilities are designed to support a wide range of use cases, from simple data retrieval to complex analytical applications.

For more information about the API's features and capabilities, visit the Metals-API Website. The Metals-API Documentation provides detailed guidance on how to implement the API effectively, including endpoint descriptions, parameter requirements, and example responses.

Key Features and Endpoints

The Metals-API offers a variety of endpoints that cater to different data retrieval needs. Here are some of the key features:

Latest Rates Endpoint: This endpoint provides real-time exchange rate data, updated every 60 minutes or more frequently depending on your subscription plan. It allows you to access the most current prices for various metals, including nickel.
Historical Rates Endpoint: Historical rates are available for most currencies dating back to 2019. By appending a specific date (YYYY-MM-DD) to the endpoint, you can retrieve historical prices for nickel and other metals.
Bid And Ask Endpoint: This feature enables you to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
Convert Endpoint: The conversion endpoint allows you to convert amounts from one currency to another, facilitating easy calculations for trading and analysis.
Time-Series Endpoint: This endpoint allows you to query daily historical rates between two dates of your choice, making it easy to analyze trends over time.
Fluctuation Endpoint: Track how currencies fluctuate on a day-to-day basis, providing valuable insights into market volatility.
Carat Endpoint: Retrieve information about gold rates by carat, which is essential for jewelers and investors in precious metals.
Lowest/Highest Price Endpoint: Query the API to get the lowest and highest prices for a specific date, helping you identify market extremes.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, essential for technical analysis.
Historical LME Endpoint: Access historical rates for LME symbols dating back to 2008, which is crucial for understanding long-term market trends.
API Key: Your unique API key is required to access the API, ensuring secure and authorized usage.
API Response: The API delivers exchange rates relative to USD, with all data returned in a structured JSON format.
Available Endpoints: The Metals-API includes 14 endpoints, each providing different functionalities tailored to various user needs.
Supported Symbols Endpoint: This endpoint returns a constantly updated list of all available currencies, ensuring you have access to the latest data.
Intraday Endpoint: Query intraday exchange rate data for a single symbol, which is particularly useful for day traders.

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

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

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1786082911,
"base": "USD",
"date": "2026-08-07",
"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": 1785996511,
"base": "USD",
"date": "2026-08-06",
"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": "2026-07-31",
"end_date": "2026-08-07",
"base": "USD",
"rates": {
"2026-07-31": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-08-02": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-08-07": {
"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": 1786082911,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-07-31",
"end_date": "2026-08-07",
"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": 1786082911,
"base": "USD",
"date": "2026-08-07",
"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": 1786082911,
"base": "USD",
"date": "2026-08-07",
"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

In conclusion, the Metals-API provides a powerful and flexible solution for accessing historical rates for Uniswap (UNI) and other metals. By leveraging its various endpoints, developers can gain valuable insights into market trends, perform detailed analyses, and build innovative applications that cater to the needs of traders and investors. The API's comprehensive documentation and support for a wide range of symbols make it an essential tool for anyone looking to navigate the complexities of the metal markets.

For further exploration, be sure to check out the Metals-API Documentation for detailed guidance on implementation, and refer to the Metals-API Supported Symbols page for a complete list of available currencies. With the right tools and knowledge, you can harness the power of real-time metals data to enhance your trading strategies and decision-making processes.

Ready to use Metals-API?

Try it now!

The Easiest Way to Get Uniswap (UNI) Historical Rates from Public APIs