Research

Top Tools and APIs Every Crypto Programmer Should Know

Discover top crypto APIs, developer libraries, and open source tools that power modern blockchain applications. Learn which solutions programmers use to build smarter crypto projects.
Token Metrics Team
5
MIN

The rapid evolution of cryptocurrencies and blockchain technology has transformed the programmer's toolkit. With thousands of coins, myriad chains, and constantly changing data, developers face a unique set of challenges—and opportunities—for innovation. Access to robust APIs, powerful software tools, and automation frameworks is now the backbone of successful crypto development. But which tools and APIs stand out, and how can programmers leverage them most effectively?

Data Access: Core APIs That Power Crypto Apps

APIs are the connective tissue of crypto ecosystems, granting developers access to everything from real-time prices to on-chain analytics. Leading APIs for general-purpose crypto data include:

  • Token Metrics API: Delivers real-time prices, trading signals, token analytics, and on-chain intelligence in a streamlined package—ideal for portfolio tools, custom dashboards, and AI crypto agents.
  • CoinGecko API & CoinMarketCap API: Widely adopted for fetching coin prices, historical data, and basic market stats. Both offer generous free tiers and support for hundreds of assets.
  • CryptoCompare API: Excels at aggregated pricing and historical OHLCV data for major and emerging tokens.
  • Glassnode API: Provides on-chain analytics, key network health indicators, and user address statistics for Bitcoin, Ethereum, and select other blockchains.

When evaluating APIs, focus on latency, coverage, reliability, and pricing. For power users, combining multiple APIs—one for fast price ticks, another for analytics—can yield a richer app experience.

Web3 Libraries and Blockchain Interaction

To move beyond price feeds and statistics, programmers need libraries that let them interact directly with blockchains. Popular choices include:

  • web3.js (for Ethereum and EVM chains): The standard JavaScript library for reading from and writing to smart contracts. Its widespread adoption means strong documentation and fast troubleshooting.
  • ethers.js: A leaner, modern alternative to web3.js with an improved developer experience and clear separation of concerns. Frequently used in dApp and wallet development.
  • Solana Web3.js: Purpose-built for the Solana chain, providing access to wallet management, transaction sending, and program deployment.
  • BitcoinJS: A robust set of bitcoin-focused tools for crafting transactions, managing keys, and building lighter clients.

When building cross-chain or multi-protocol applications, consider abstraction libraries like Moralis or Infura to standardize access and boost reliability.

Automation, Research, and AI Analytics

Quantitative research, automated trading, and actionable intelligence are increasingly important areas for crypto programmers. Here are some tools advancing the field:

  • Python Libraries (ccxt, pycoingecko, web3.py): The ccxt library supports unified trading API access to dozens of exchanges for algorithmic trading and market research. pycoingecko fetches comprehensive price data from CoinGecko, while web3.py allows direct Ethereum interaction.
  • Alchemy & QuickNode: Managed web3 infrastructure layers that offer turnkey node hosting, enhanced analytics, and performance monitoring. These services reduce operational headaches when scaling production apps.
  • AI-Powered Research Tools (Token Metrics, Messari): Platforms like Token Metrics and Messari leverage AI and big data to surface trends, risk signals, and deep network insights—resources invaluable for building smarter automation and predictive analytics.

For custom analytics, combining API data with Python-based data science (using Pandas, Numpy, or PyTorch/TensorFlow) unleashes powerful modeling capabilities. Many teams run scheduled scripts or Lambda jobs that pull API data, process it, and feed insights directly into dashboards or real-time agents.

Open Source and Collaborative Developer Tools

Open source projects have accelerated innovation in crypto. For developers, the following tools and resources unlock new possibilities:

  • Hardhat & Truffle: Smart contract testing, simulation, and deployment for EVM-compatible chains. Supports complex scripting and plugin extensions.
  • MetaMask APIs: Essential for dApp compatibility, wallet integration, and user authentication across the web3 landscape.
  • Foundry: A high-performance, developer-friendly toolkit for smart contract creation with extensive testing capabilities.
  • OpenZeppelin Libraries: Battle-tested, audited Solidity contracts and utilities for security-focused development. Saves time and reduces risk.

Participating in open source helps programmers stay at the forefront of security updates, tooling improvements, and emerging best practices.

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What are the most popular APIs for crypto data access?

Some of the most widely used APIs include the Token Metrics API, CoinGecko API, and CryptoCompare API for price data, plus Glassnode and Chainalysis for on-chain analytics. The best API depends on use case—real-time trading apps may prioritize low-latency data, while research dashboards need deeper analytics and coverage.

How do you choose the right programming language for crypto development?

The choice depends on your project: Solidity is used for Ethereum smart contracts, Rust and C++ for Solana and Polkadot, JavaScript for web3 frontends, and Python for automation and analytics. Many developers combine languages for optimal results.

Can I integrate crypto APIs into mobile apps?

Yes. Most crypto APIs offer REST or WebSocket endpoints that can be consumed by mobile frontends (iOS, Android, cross-platform). Security and performance are critical—always safeguard keys and minimize on-device sensitive data.

What is the value of AI in developer crypto tools?

AI supports smarter data synthesis, risk assessment, pattern recognition, and predictive analytics—streamlining everything from backtesting to sentiment analysis. Platforms such as Token Metrics bring AI-driven signals and deep analysis to developer workflows.

Are open source crypto developer tools secure?

Open source tools like Hardhat, Truffle, and OpenZeppelin are generally well-maintained and audited but still require careful review, secure library management, and rigorous testing. Always vet dependencies and stay up to date with patches.

Disclaimer

This blog is for informational and educational purposes only. It does not constitute investment advice, endorsement, or financial recommendations. All tools and APIs discussed should be independently evaluated for your use case and risk profile.

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Token Metrics Team
Token Metrics Team

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In this article, we will explain what crypto burning is, how it is done, and why it is done. We will also discuss the potential benefits and risks of burning crypto, as well as the role of developers and miners in the process. By the end of this article, you will have a better understanding of how crypto burning works and whether it is something that you may want to consider for your own crypto investments.

What Does it Mean to Burn Crypto?

Crypto burning is the process of removing cryptocurrency from the blockchain. This concept originated from traditional stock markets and is facilitated by smart contracts. When tokens are burned, it can increase the value of the asset and make it more attractive to investors. It can also have benefits for tax regulations.

How is Crypto Burned?

The process of burning involves sending tokens to an invalid wallet address, where they cannot be accessed. This is typically done by developers or miners to manipulate the supply of tokens and potentially increase their value.

Why Burn Crypto Coins?

Developers burn tokens for many reasons, including to increase the value of the asset, create hype, and improve the business model. By decreasing the supply of tokens in circulation, they can also help to combat the effects of inflation and make the market more stable.

Can You Burn Crypto?

Technically, anyone can burn crypto. However, it is not advisable for individual investors to burn their own tokens as the coins will be permanently lost. Instead, they may want to consider staking or trading their crypto.

What is Crypto Buyback?

Crypto buyback is the process of repurchasing tokens from circulation. This is typically done by developers to decrease the supply of tokens and potentially increase their value. Buybacks are regulated by smart contracts, which ensures that the removed tokens will never resurface. This can be a good way for investors to encourage long-term holding (HODLing) of the tokens.

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In today's world of decentralization and blockchain technology, creating your own cryptocurrency has become a viable option for individuals and businesses alike. But how exactly does one go about creating a cryptocurrency? In this post, we will explore three methods for creating a cryptocurrency, ranging from the most difficult to the easiest. Whether you want to create your own blockchain, fork an existing one, or launch a token on an existing platform, this guide will provide a comprehensive overview of the steps involved. Let's dive in!

How To Create A Crypto Coin?

We are going to explain three ways to create a cryptocurrency, from basic to advanced.

Create your own blockchain (advanced)

  • Choose a consensus mechanism: Determine how transactions will be validated on your network
  • Design the blockchain architecture: Define who can create blocks, validate transactions, and access data
  • Create a user interface: Make sure the user experience is enjoyable
  • Audit crypto and code: Hire experts to review your code to ensure security and compliance

Fork an existing blockchain (intermediate)

  • Choose a blockchain to fork: Decide on an existing blockchain that aligns with your goals
  • Clone the blockchain: Create a copy of the chosen blockchain's code
  • Modify the code: Make any necessary changes to the code to suit your needs
  • Launch your blockchain: Deploy your modified blockchain and begin mining

Launch a token on an existing platform (basic)

  • Choose a blockchain: Decide on a blockchain that supports the creation of tokens, like Ethereum
  • Follow the platform's instructions: Each platform will have its own process for creating and launching a token - you can also use sites like Token Factory to launch your token
  • Promote and distribute your token: Once your token is live, market and distribute it to potential users.

What is the Difference Between a Coin and a Token?

A coin and a token are both types of cryptocurrency, but they have some key differences. A coin is a cryptocurrency that runs on its own blockchain, meaning it has its own independent infrastructure and user base. Examples of coins include Bitcoin and Litecoin.

On the other hand, a token is a cryptocurrency that is built on top of an existing blockchain, using the infrastructure and user base of that blockchain. Tokens are often created to represent a specific asset or utility, such as rewards points or event tickets. Examples of tokens include Tether and Shiba Inu.

Another key difference between coins and tokens is their relative scarcity. Since there can only be one coin on a given blockchain, the supply of coins is limited. This can give coins a certain level of value and scarcity, which can make them attractive to investors. In contrast, there can be an unlimited number of tokens on a given blockchain, which can make them less scarce and potentially less valuable.

It's important to understand the differences between coins and tokens when creating your own cryptocurrency. Depending on your goals and requirements, you may decide to create a coin or a token, or even both. With a clear understanding of the differences between the two, you can make an informed decision and choose the right approach for your project.

A Few Things to Consider Before Designing Your Crypto Coin:

There are several important things to consider before designing your crypto coin. These considerations will help you make informed decisions and increase the chances of success for your project.

First, you should consider the utility of your cryptocurrency. What value does it offer to users? Why would someone want to buy and use your cryptocurrency? What problems does it solve? Answering these questions will help you understand the potential value of your cryptocurrency and determine its utility.

Second, you should consider any regulatory and legal requirements. Cryptocurrency is a rapidly evolving field, and laws and regulations can change quickly. It's important to understand any compliance issues in your area and make sure your project adheres to all relevant regulations.

Third, you should consider the tokenomics of your cryptocurrency. Tokenomics is the study of the economics of a crypto project, including factors such as initial pricing, supply, emissions, distribution, market capitalization, and potential value. Understanding the tokenomics of your project will help you make informed decisions about how to structure your cryptocurrency and maximize its potential value.

Overall, it's important to carefully consider these factors before designing your crypto coin. By taking the time to understand your goals, requirements, and the economics of your project, you can increase the chances of success for your cryptocurrency.

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Bullish in Crypto: Definition, Meaning, and Explanation

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In the world of cryptocurrency, the terms "bullish" and "bearish" are commonly used to describe an investor's confidence in the potential growth of a particular crypto asset. But what do these terms really mean, and how do they apply to the crypto market? In this article, we will provide a comprehensive explanation of these terms, including the concept of a "bull run" and how it applies to both cryptocurrencies and non-fungible tokens (NFTs).

What Does Bullish Mean in Crypto?

The terms "bullish" and "bearish" are commonly used in the financial market to describe the confidence an investor has in the potential growth of a financial asset. In the context of the crypto market, a "bullish" investor is one who believes that a particular cryptocurrency or non-fungible token (NFT) will rise in value. This confidence is often seen when the market is experiencing growth and gains are being made.

What Is Bull Run

A "bull run" in the crypto market is a period of time during which there is high demand for cryptocurrencies and NFTs, leading to an increase in prices. This increase is driven by confidence in the market, as investors are more likely to buy when they believe prices will continue to rise. A bull run typically includes an increase in the value of well-known cryptocurrencies such as Bitcoin, Ethereum, Binance, and Solana, as these have the highest market capitalizations.

Bullish On NFTs

The concept of a "bull market" also applies to the market for non-fungible tokens (NFTs). In this context, a bull market is characterized by high demand for NFTs, which drives up their prices. Factors that can lead to increased demand for NFTs include strong marketing and community support from the development team, as well as the utility and scarcity of the NFTs. A collector, trader, or creator may feel bullish about a particular NFT project if they believe it has strong potential for growth. This bullish sentiment can lead to higher prices for the NFTs and a decrease in market supply.

Final Thoughts

It is important for investors to understand the terminology used in the crypto market in order to make informed decisions about their investments. The terms "bullish" and "bearish" are commonly used to describe confidence in the potential growth of a crypto asset. A "bull run" is a period of time during which there is high demand for cryptocurrencies and NFTs, leading to an increase in prices. In the NFT space, a bull market is characterized by high demand for NFTs, which drives up their prices.

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