Build a Real-Time Crypto Tracker Using CoinGecko API in React.js

CoinGecko is a comprehensive cryptocurrency data platform that provides real-time and historical data on thousands of cryptocurrencies. It offers a market-tracking website and app for digital currencies. CoinGecko collects data to rank the potential of each coin, benchmarking digital currencies like Bitcoin, Ethereum, and over 6,000 other cryptocurrencies. In short, think of CoinGecko as a library that provides information on various cryptocurrencies. It offers a wide range of information, including price, volume, market capitalization, and more, as seen below:
As CoinGecko offers these services, it also extends its capabilities to developers and organizations through its Application Programming Interface (API), allowing them to use the vast amount of available data. This API provides access to real-time and historical data, enabling the creation of applications that can track cryptocurrency prices, analyze market trends, and more.

CoinGecko's API offers features and endpoints like Market Data, Historical Data,

 Exchange Data, Global Data, Trending Coins, NFTs Data, and more.
Some of the applications that can be built with CoinGecko's API include:

>Crypto Tracker

>Prices Checker

>Trading Bot

>Dashboard.

In this article, you'll learn how to build a Crypto Tracker using React.js for the User Interface (UI).

>Prerequisites

>Basic understanding of JavaScript, ReactJs, and CSS

>Node.js and npm installed

>Familiarity with REST APIs

Installed the following:

Reactjs either Create React App or Vite.js

>Axios

>React Router Dom

>Recharts

>TailwindCSS or Bootstrap (included in the code)

>Code Editor

CoinGecko API Endpoints

Coin Data by ID: This endpoint allows you to query all the coin data of a coin (name, price, market .... including exchange tickers) on the CoinGecko coin page based on a particular coin ID.
Coin historical Chart Data by ID: This endpoint allows you to get the historical chart data of a coin including time in UNIX, price, market cap and 24hrs volume based on a particular coin id.
Search Queries: This endpoint allows you to search for coins, categories and markets listed on CoinGecko.
Trending Search List: This endpoint allows you to query trending search coins, nfts and categories on CoinGecko in the last 24 hours.endpoint: 

Conclusion

In this article, you learned about the CoinGecko API, including its key features and endpoints, and how to use Axios to fetch data. You also explored examples of applications you can build with the API and followed a step-by-step guide to creating a complete application.

Original Source: https://hackernoon.com/build-a-real-time-crypto-tracker-with-coingecko-api-and-reactjs