Check Cryptocurrency Prices from the Command Line Using Coinmon

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In the fast-paced world of digital finance, staying updated on cryptocurrency prices is essential for investors, developers, and tech enthusiasts alike. While most users rely on mobile apps or web dashboards, there's a powerful alternative for those who live in the terminal: Coinmon. This lightweight command-line tool allows you to fetch real-time cryptocurrency prices directly from your shell, making it an ideal choice for engineers and command-line aficionados.

Unlike broader tools like Cli-Fyi, which offer multi-purpose data queries, Coinmon focuses exclusively on one task — displaying cryptocurrency prices. Built on Node.js and pulling data from the widely trusted CoinMarketCap API, Coinmon delivers fast, clean, and accurate price updates right in your terminal.

Why Use a Command-Line Tool for Cryptocurrency Tracking?

For many professionals, especially developers and system administrators, the command line isn’t just a tool — it’s a workflow. Integrating cryptocurrency price checks into this environment eliminates the need to switch contexts between browsers and terminals. Whether you're monitoring investments while coding or building automated scripts, Coinmon streamlines access to critical market data.

Key benefits include:

How to Install Coinmon

Before installing Coinmon, ensure that Node.js and npm (Node Package Manager) are installed on your system. These are prerequisites for running and installing npm-based packages.

To check if they're already installed, run:

node --version
npm --version

If not installed, download Node.js from the official website or use your package manager (e.g., apt, brew, or yum).

Once Node.js and npm are ready, install Coinmon globally using:

sudo npm install -g coinmon

After installation, verify it works by checking the version:

coinmon --version

You're now ready to start tracking cryptocurrencies from the terminal.

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Viewing Cryptocurrency Prices in Real Time

By default, running coinmon without any arguments displays the top 10 cryptocurrencies by market capitalization:

coinmon

The output includes:

This gives you a quick snapshot of the most influential coins like Bitcoin, Ethereum, and others.

Customize the Number of Coins Displayed

Use the -t flag to show more than 10 coins. For example, to view the top 20:

coinmon -t 20

This is useful for tracking emerging altcoins gaining market traction.

Convert Prices to Your Local Currency

All prices are shown in USD by default, but Coinmon supports conversion into over 30 fiat currencies. Use the -c flag followed by the currency code.

For example, to view prices in Indian Rupees (INR):

coinmon -c inr

Supported fiat currencies include:

This feature is especially valuable for international investors tracking portfolio value in local terms.

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Search for Specific Cryptocurrencies

Instead of scrolling through a ranked list, you can look up a specific cryptocurrency using its symbol with the -f flag.

For example:

coinmon -f btc

This shows detailed information about Bitcoin (BTC) only. You can also search multiple coins at once using comma-separated symbols:

coinmon -f eth,doge,ada

This flexibility makes Coinmon ideal for traders who follow a curated list of assets rather than the entire top 10.

A full list of supported cryptocurrency symbols can be found through public references such as Wikipedia’s list of cryptocurrencies.

Using Help and Other Options

To explore all available features, use the built-in help command:

coinmon -h

Output:

Usage: coinmon [options]
Options:
 -V, --version               Output the version number
 -c, --convert [currency]    Convert to your fiat currency (default: usd)
 -f, --find [symbol]         Find specific coin data with coin symbol (comma-separated list) (default: )
 -t, --top [index]           Show top coins from rank 1 to [index] (default: 10)
 -H, --humanize [enable]     Show market cap in human-readable format (default: true)
 -h, --help                  Display usage information

The --humanize option (enabled by default) formats large numbers like market cap into readable forms (e.g., “$45.2B” instead of “45200000000”).

Frequently Asked Questions (FAQ)

Q: Is Coinmon free to use?
A: Yes, Coinmon is an open-source tool distributed under the MIT license. There are no costs or subscriptions involved.

Q: Where does Coinmon get its data?
A: It pulls real-time cryptocurrency pricing and market data from the CoinMarketCap API, one of the most trusted sources in the industry.

Q: Can I use Coinmon on Windows?
A: Yes! As long as you have Node.js and npm installed — which are available for Windows, macOS, and Linux — Coinmon will work across platforms.

Q: Does Coinmon support real-time alerts or notifications?
A: Not directly. However, you can combine it with shell scripting and cron jobs to create custom alerts based on price thresholds.

Q: What happens if the API is down?
A: If CoinMarketCap’s API is unreachable, Coinmon will return an error or timeout. Consider retry logic in automated scripts.

Q: Can I contribute to Coinmon’s development?
A: Absolutely. Being open-source, contributions via GitHub are welcome — whether fixing bugs, adding features, or improving documentation.

Final Thoughts

Coinmon is a simple yet powerful tool for anyone who values efficiency and prefers working in the terminal. Whether you're a developer automating crypto checks or an investor needing quick access to prices, Coinmon delivers accurate data with minimal overhead.

Its focused functionality — showing cryptocurrency prices — ensures reliability and speed without unnecessary bloat. When combined with other command-line utilities, it becomes part of a robust personal or professional toolkit for navigating the crypto landscape.

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As blockchain technology evolves and command-line interfaces remain central to development workflows, tools like Coinmon bridge the gap between finance and engineering — proving that sometimes, the simplest solutions are the most effective.