Go Language Bitcoin Market Price Tracker: Fetch Real-Time BTC Rates

Overview

This command-line tool written in Go retrieves real-time Bitcoin market prices across multiple currencies. It connects to the Blockchain.info API to provide accurate cryptocurrency valuations with simple terminal commands.

Key Features

Multi-currency support: USD, EUR, CNY, JPY, GBP and 20+ other currencies
Flexible output: Display single or multiple currency conversions
Portable: Pre-compiled binaries for Windows, macOS, Linux and ARM devices
Silent mode: Option for script-friendly output without visual formatting

Installation and Usage

Basic Command Structure

./btcprice [-c float] [-m] [-s string]

Parameters Explained

Parameter	Description
`-c`	Specify Bitcoin quantity (default: 1 BTC)
`-m`	Silent mode (removes loading animation)
`-s`	Target currency (default: USD). Supports comma-separated values

Usage Examples

Default USD Conversion

./btcprice
$ 7413.92

Chinese Yuan Conversion

./btcprice -s CNY
¥ 46429.95

Multiple Currency Conversion

./btcprice -s CNY,USD -c 0.044454
¥ 46429.95 2064.00
$ 7387.46 328.40

Supported Platforms

The tool compiles natively for these operating systems and architectures:

OS	Architectures
Android	arm
Darwin	386, amd64, arm, arm64
Linux	386, amd64, arm, arm64, ppc64, ppc64le
Windows	386, amd64
FreeBSD	386, amd64, arm
And 10+ other platforms...

👉 Download pre-built binaries for your system

API Response Structure

The tool fetches data from Blockchain.info's ticker API which returns JSON formatted like:

{
 "USD": {
   "15m": 7392.1196853,
   "last": 7392.1196853,
   "buy": 7392.1196853,
   "sell": 7392.1196853,
   "symbol": "$"
 },
 "CNY": {
   "15m": 46459.22828216088,
   "last": 46459.22828216088,
   "buy": 46459.22828216088,
   "sell": 46459.22828216088,
   "symbol": "¥"
 }
}

FAQ Section

How frequently are prices updated?

Prices refresh every 15 minutes through Blockchain.info's API, indicated by the "15m" field in the JSON response.

Can I use this for trading automation?

While technically possible, we recommend against using this simple tool for high-frequency trading due to the 15-minute update interval.

Is there a web version available?

👉 Check our partner platform for advanced trading tools

Why choose this over other Bitcoin price tools?

Lightweight (single binary under 5MB)
No dependencies
Supports rare architectures like PowerPC and MIPS
Open-source with MIT license

How accurate are the conversions?

Rates come directly from Blockchain.info's aggregated market data, matching what major exchanges use for spot pricing.

Advanced Usage

For developers looking to integrate this functionality:

The silent mode (-m) makes it ideal for cron jobs
JSON output can be piped to other applications
Cross-compile for embedded systems monitoring crypto prices
Combine with shell scripts for portfolio tracking

The tool's simplicity makes it perfect for:

ATM software displaying BTC prices
Point-of-sale systems accepting cryptocurrency
Personal dashboard integrations
Educational projects about API consumption