Research-backed guides for builders, analysts, and growth teams.
RoxaIT authors long-form tutorials, product teardowns, and API playbooks for CoinGecko readers. Explore the latest publications and dive into the canonical version on CoinGecko.

📊 Now LIVE: DATCo Report 2025 Market Cap: $3.553T 1.3% 24h Vol: $226.493B Dominance: BTC 57.5% ETH 11.7% Gas: 0.148 GWEI Get App Search / All Latest Airdrops Coins & Tokens Guides Wallets & Bridges API Reviews More + API How to Build a DEX Aggregator to Find the Best Swap Rates 4.1 | by Rollend Xavier | Edited by Brian Lee - Updated September 26 2025

Developing smart contracts on the Ethereum blockchain has revolutionized various industries by enabling decentralized, automated transactions. Combining Solidity, Ethereum, and the [CoinGecko API](https://www.coingecko.com/en/api) creates an efficient way to interact with cryptocurrency price data. In this guide, we’ll cover how to set up your environment, write and deploy a Solidity smart contract, integrate the CoinGecko API, and fetch [Ethereum](https://www.coingecko.com/en/coins/ethereum) price data for your contract in a secure, programmatic way.

Calculating taxes on cryptocurrency transactions can be complex due to market volatility and various taxable events. In this article, we'll guide you through building a simple crypto tax calculator using React and the [CoinGecko API](https://www.coingecko.com/en/api). Our focus will be on basic tax structures, providing a foundation that you can adapt to your local regulations. This tutorial will cover:

A quick and convenient way to convert cryptocurrency prices to fiat currencies or to BTC or ETH is through Chrome extensions. In this article, we'll cover how to build a simple yet functional cryptocurrency converter Chrome extension in 8 steps:

How Top Blockchain Oracles Enhance Their Data Offering | CoinGecko API

Farcaster is a revolutionary platform that brings a new dimension to social interactions. It offers an ecosystem where users can interact with each other more dynamically and engagingly. One of the unique features of Farcaster is its API, which allows developers to create interactive applications within the Farcaster ecosystem.

In today's guide, we'll cover how to build a crypto Telegram bot using Python, that delivers real-time updates on cryptocurrencies. This bot is engineered not only to furnish you with the latest price of any selected cryptocurrency but also to supply additional data. This includes, but is not limited to, changes in price over a 24-hour period,market capitalization, trading volume, on-chain metrics and even historical crypto price data. This wealth of information at your fingertips can empower you to make well-informed decisions in your cryptocurrency ventures.

📊 Now LIVE: DATCo Report 2025 Market Cap: $3.553T 1.3% 24h Vol: $226.493B Dominance: BTC 57.5% ETH 11.7% Gas: 0.148 GWEI Get App Search / All Latest Airdrops Coins & Tokens Guides Wallets & Bridges API Reviews More + API Bitcoin Price Prediction: Machine Learning in Python 4.2 | by Rollend Xavier | Edited by Julia Ng - Updated September 28 2025







