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

Recent Posts

Research

📈 Launch Coin’s Wild Ride: From 54 SOL to $4 Million

Token Metrics Team
4 min
MIN

The crypto world thrives on narratives, and few have captured attention in recent weeks like Launchcoin. Born from a blend of SocialFi innovation and meme-driven virality, Launchcoin has surged into the spotlight—offering both eye-popping returns and warnings of extreme volatility. Powered by Token Metrics’ AI insights, here’s a detailed look at where Launchcoin stands today.

🚀 AI Detected the Breakout Early

On April 20, 2025, Token Metrics’ proprietary AI model flipped bullish on Launchcoin. Since then, the token has rallied over 3x, proving the strength of the signal. Backed by machine learning models that track on-chain data, sentiment, and price action across multiple timeframes, the Trader Grade for Launchcoin is currently at a whopping 93.15%, designating it a Strong Buy in the short term.

However, after such an exponential surge, the platform’s analysts expect natural pullbacks as early buyers and whales begin to take profits. These corrections are healthy and expected in any meteoric price run—and should not be confused with a loss of fundamental strength.

🧠 Token Metrics Investor Grade: A Balanced Perspective

While short-term indicators are overwhelmingly bullish, the Investor Grade remains neutral, pointing to a more measured view on Launchcoin’s long-term potential. This signals that while there’s momentum, there are still structural risks—particularly due to its meme coin characteristics and reliance on hype cycles.

Still, a neutral long-term grade isn’t bearish. It suggests Launchcoin is currently stable at its elevated valuation, but investors should monitor developments carefully—especially as new features and ecosystem growth unfold.

📈 Launchcoin’s Wild Ride: From 54 SOL to $4 Million

The Launchcoin story has already minted millionaires. One trader reportedly turned an $8,191 investment (54 SOL) into $4 million after purchasing 14.62 million LAUNCHCOIN tokens when the market cap was below $500,000. This kind of exponential return is rare—even in crypto—and helped drive speculative interest across social media and trading forums.

Within just 22 days, Launchcoin’s market cap crossed $300 million, illustrating how quickly meme-based projects can capture market momentum, especially when they ride the wave of a compelling narrative.

🔄 Listings and Market Access

Launchcoin’s liquidity and accessibility have improved significantly. The token is now trading on major centralized exchanges:

  • Spot listings: Bitget, KuCoin, Gate.io, and MEXC
  • Futures: Recently launched on ByBit

These listings have broadened exposure, attracting a wider investor base and allowing leveraged traders to participate. Increased liquidity also reduces slippage, enabling larger capital inflows while minimizing execution risk.

🎭 From PASTERNAK to LAUNCHCOIN: The Rebranding

Initially launched as PASTERNAK, named after Believe’s founder Ben Pasternak, the project was rebranded to Launchcoin on May 2, 2025. The new name better reflects its core value proposition: empowering creators to launch tokens through a SocialFi model.

The model is simple but revolutionary—anyone can create a token by posting on social media with the “@launchcoin” tag. This lowers the barrier for entry into token creation and adds viral potential to every social interaction.

🧨 Risk and Volatility: A Speculative Bet

Despite its recent success, Launchcoin remains a highly speculative asset. Its meteoric rise is reminiscent of meme coin cycles seen with tokens like PEPE or DOGE. While Launchcoin offers a unique utility layer with its token-creation feature, its current valuation includes a significant hype premium.

Token Metrics encourages traders to stay nimble. With the AI trading signals, users can track grade changes in real-time, ensuring they’re not caught off guard by sharp reversals or cooldowns.

🧠 Final Thoughts

Launchcoin represents a blend of viral marketing, social token innovation, and AI-predicted trading opportunity. With strong short-term momentum, neutral long-term positioning, and significant ecosystem buzz, it’s a token to watch—but not without caution.

Whether you’re a trader riding the momentum or an investor assessing long-term viability, Token Metrics provides the data-driven edge to navigate Launchcoin’s volatility with confidence.

Research

Best Long-Term Crypto Picks for the 2025 Bull Market

Token Metrics Team
4 min
MIN

In a market full of noise, value investors are asking one critical question: what should I hold long-term?

Here are some of our top picks, based on fundamentals, traction, and longevity.

1. Grass – AI + Revenue

Grass stands out in the AI space. With over $15M in revenue from its browser extension and data resale model, it’s one of the few protocols generating real-world value. It’s a top AI blue chip we’re confident holding over multiple cycles.

2. Peaq – DePIN Infrastructure

Peaq positions itself as the Chainlink of decentralized physical infrastructure. While still under $1B FDV, it’s been consistent in development and narrative strength.

3. Sui – Consumer-Focused L1

Sui isn’t just another L1. Between Phantom wallet support, SuiPlay hardware, and growing dApp adoption, Sui has the elements to outpace older chains like Solana or Avalanche in user growth.

4. Parcl – Real Estate Derivatives

For exposure to real-world assets, Parcl offers a compelling play. Their UI is retail-friendly, listings are strong, and the market cap remains under $150M. This is one to watch as RWA adoption grows.

5. BitTensor – AI Infrastructure Layer

With a unique emission model and growing subnet usage, BitTensor remains the top AI infra token. Some even compare its long-term potential to early Bitcoin.

Bonus Mentions:

  • Uniswap / Aave / Compound – battle-tested DeFi with upcoming fee-sharing upgrades

  • Chainlink – oracle king still dominating infrastructure

  • Hyperliquid – sustainable revenue, EVM chain, and perps dominance

Final Words

The 2025 bull market will create noise—but also opportunity. These tokens aren’t just trendy—they’re infrastructure plays with real utility and upside. Allocate accordingly.

Research

SUI Price Analysis: Short-Term Momentum Builds Amid Long-Term Uncertainty

Token Metrics Team
4 min
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SUI, a rising Layer 1 blockchain network, has been gaining traction recently—and Token Metrics' AI-powered tools were ahead of the curve in identifying its bullish momentum. On April 24th, the Token Metrics Trader Grade issued a bullish signal for SUI, and since then, the price has climbed nearly 22%, confirming the strength of the short-term trend.

But there’s more to this move than just price action. Token Metrics offers a unique perspective by analyzing both short-term and long-term signals through its proprietary Trader Grade and Investor Grade ratings. These grades offer a layered view of an asset's potential by using machine learning to evaluate over 80 on-chain, off-chain, and technical indicators.

Token Metrics AI: Bullish for Traders, Bearish for Investors

As of the latest data, SUI holds a “Strong Buy” rating on the Token Metrics Trader Grade, signaling powerful momentum for short-term traders. This suggests that swing traders and scalpers could benefit from the current trend, particularly if the price can decisively break through the immediate resistance at $4.25.

However, the Investor Grade tells a different story. While the short-term outlook is bullish, the long-term view remains cautious. The Investor Grade currently recommends a Sell, suggesting SUI may face challenges in sustaining gains over a multi-month time frame. This divergence highlights the importance of aligning your investment strategy with the appropriate time horizon.

TVL Growth Validates SUI’s Ecosystem Expansion

Beyond AI ratings, Token Metrics also factors in fundamental metrics—and one of the strongest tailwinds for SUI right now is its rapidly growing Total Value Locked (TVL). According to DeFi Llama, SUI’s TVL has surged to a new all-time high of $2.11 billion, cementing its position as the 8th largest blockchain by TVL.

This growth in TVL indicates that more capital is being deployed in the SUI ecosystem. It reflects increased user engagement with decentralized applications (dApps) on the network and signals rising confidence among DeFi participants. From a fundamental standpoint, this bodes well for SUI’s long-term utility—even if its price action hasn't yet caught up to the full extent of this growth.

Key Technical Levels: Breakout or Pullback?

From a technical analysis standpoint, SUI is now testing a major resistance at $4.25. A confirmed breakout above this level could send the asset surging toward new all-time highs, potentially igniting a new wave of momentum-driven buying.

However, if the price fails to breach this resistance zone, a pullback is likely. In that scenario, the $3.00 to $3.20 range should act as a solid support area. These levels will be critical for traders to monitor, and Token Metrics' real-time alerts can help users stay on top of such breakouts or reversals.

Trading Smarter with Token Metrics

Whether you're trading short-term breakouts or evaluating long-term positions, Token Metrics helps crypto investors make data-driven decisions. The platform’s dual-grade system—Trader Grade for momentum-based insights and Investor Grade for long-term trends—equips users with nuanced information to act with confidence.

Moreover, Token Metrics integrates this data directly into its AI Trading Agent and custom alerts system, ensuring you never miss an opportunity or warning signal. With instant access to heatmaps, technical breakdowns, and AI-based predictions, SUI traders can manage risk more efficiently and capitalize on emerging trends before the rest of the market catches on.

Final Thoughts

SUI is showing promising signs, especially with its network fundamentals improving rapidly and short-term momentum turning bullish. Still, the cautious long-term outlook suggests that traders should proceed with a balanced approach—watching both breakout levels and support zones, while leveraging tools like Token Metrics for real-time decision-making support.

As always, combining AI-driven insights with strong risk management is the key to navigating volatile markets like crypto. SUI is one to watch—and Token Metrics helps you stay one step ahead.

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