Collect Ethereum (ETH) Historical Prices using this API

In the rapidly evolving world of digital currencies, Ethereum (ETH) stands out as a significant player, not just as a cryptocurrency but also as a platform for decentralized applications. As developers and analysts seek to harness the power of Ethereum, understanding its historical price movements becomes crucial. This blog post will delve into how you can collect Ethereum's historical prices using the Metals-API, a powerful tool that provides real-time and historical data for various metals and currencies.

Metals-API Information

About Ethereum (ETH)

Ethereum is more than just a cryptocurrency; it represents a paradigm shift in how we think about digital transactions and smart contracts. With its ability to facilitate decentralized applications (dApps), Ethereum has ushered in a new era of digital transformation in various sectors, including finance, supply chain, and even art through NFTs (Non-Fungible Tokens). As the market for Ethereum continues to grow, the need for accurate and timely historical price data becomes paramount for developers and analysts alike.

Technological innovation is at the heart of Ethereum's success. The platform's underlying blockchain technology enables secure, transparent, and immutable transactions. This technological advancement allows developers to create applications that can operate without intermediaries, reducing costs and increasing efficiency. Furthermore, the integration of data analytics and insights into Ethereum's ecosystem empowers users to make informed decisions based on historical price trends and market behavior.

As we look to the future, the possibilities for Ethereum are vast. With ongoing developments in scalability solutions like Ethereum 2.0 and Layer 2 protocols, the platform is poised for even greater adoption. Understanding historical price movements will be essential for stakeholders to navigate this evolving landscape effectively.

API Description

The Metals-API is a robust tool that provides developers with access to real-time and historical data for various metals and currencies, including Ethereum. This API empowers developers to build next-generation applications by offering a suite of features that facilitate data retrieval and analysis.

One of the standout capabilities of the Metals-API is its ability to deliver real-time exchange rate data, which is updated frequently based on the subscription plan. This ensures that developers have access to the most current market information, enabling them to make timely decisions. Additionally, the API offers historical rates dating back to 2019, allowing users to analyze price trends over extended periods.

With endpoints designed for various functionalities, the Metals-API allows developers to retrieve bid and ask prices, convert currencies, and track fluctuations over time. This level of detail and accessibility makes it an invaluable resource for anyone looking to analyze Ethereum's price history.

Key Features and Endpoints

The Metals-API offers a variety of endpoints, each designed to meet specific data needs. Here are some key features that developers can leverage:

Latest Rates Endpoint: Depending on your subscription plan, this endpoint returns real-time exchange rate data updated every 60 minutes, every 10 minutes, or even more frequently. This is crucial for applications that require up-to-the-minute pricing information.
Historical Rates Endpoint: Users can access historical rates for most currencies dating back to 2019. By appending a specific date in the format YYYY-MM-DD, developers can query the Metals-API for historical rates, making it easy to analyze price trends over time.
Bid And Ask Endpoint: This powerful feature enables users to retrieve real-time bid and ask prices for metals, providing insights into market liquidity and pricing dynamics.
Convert Endpoint: The Metals-API includes a currency conversion endpoint, allowing users to convert any amount from one currency to another. This is particularly useful for applications that need to display prices in different currencies.
Time-Series Endpoint: This endpoint allows users to query the API for daily historical rates between two dates of their choice. This is ideal for analyzing price movements over specific periods.
Fluctuation Endpoint: Users can retrieve information about how currencies fluctuate on a day-to-day basis, providing insights into market volatility.
Carat Endpoint: This endpoint allows users to retrieve information about gold rates by carat, which can be useful for applications focused on precious metals.
Lowest/Highest Price Endpoint: This feature allows users to query the API for the lowest and highest prices within a specified date range, aiding in market analysis.
Open/High/Low/Close (OHLC) Price Endpoint: This endpoint provides open, high, low, and close prices for a specific date, which is essential for technical analysis.
Historical LME Endpoint: This endpoint provides access to historical rates for LME symbols dating back to 2008, allowing for comprehensive market analysis.
API Key: Users must pass their unique API key into the API base URL's access_key parameter to authenticate their requests.
API Response: Exchange rates delivered by the Metals-API are by default relative to USD, ensuring consistency in data interpretation.
Available Endpoints: The Metals-API comes with 14 endpoints, each providing different functionalities, ensuring that developers have access to a wide range of data.
Supported Symbols Endpoint: This constantly updated endpoint returns all available currencies, making it easy for developers to find the symbols they need.
News Endpoint: Users can retrieve the latest news articles related to various metals, keeping them informed about market trends and developments.

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

Understanding how to interact with the Metals-API is crucial for developers looking to leverage its capabilities. Below are examples of various API endpoints and their responses:

Latest Rates Endpoint

Get real-time exchange rates for all available metals.

{
"success": true,
"timestamp": 1773966177,
"base": "USD",
"date": "2026-03-20",
"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": 1773879777,
"base": "USD",
"date": "2026-03-19",
"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": "2026-03-13",
"end_date": "2026-03-20",
"base": "USD",
"rates": {
"2026-03-13": {
"XAU": 0.000485,
"XAG": 0.03825,
"XPT": 0.000915
},
"2026-03-15": {
"XAU": 0.000483,
"XAG": 0.0382,
"XPT": 0.000913
},
"2026-03-20": {
"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": 1773966177,
"rate": 0.000482
},
"result": 0.482,
"unit": "troy ounces"
}

Fluctuation Endpoint

Track rate fluctuations between two dates.

{
"success": true,
"fluctuation": true,
"start_date": "2026-03-13",
"end_date": "2026-03-20",
"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": 1773966177,
"base": "USD",
"date": "2026-03-20",
"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": 1773966177,
"base": "USD",
"date": "2026-03-20",
"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 comprehensive suite of tools for developers looking to collect and analyze historical prices for Ethereum (ETH) and other metals. By leveraging the various endpoints, developers can gain valuable insights into market trends, price fluctuations, and historical performance. Whether you are building a trading application, conducting market analysis, or simply seeking to understand Ethereum's price movements, the Metals-API is an invaluable resource.

As the digital landscape continues to evolve, staying informed about historical price data will be essential for making informed decisions. The integration of smart technology and data analytics into the Ethereum ecosystem will only enhance the importance of accurate historical data. For more information on how to get started with the Metals-API, refer to the Metals-API Documentation and explore the Metals-API Supported Symbols for a complete list of available data points.

Ready to use Metals-API?

Try it now!

Collect Ethereum (ETH) Historical Prices using this API