Research

Top Free APIs Every Developer Should Know in 2024

Discover the best free-to-use APIs for crypto, AI, and data apps. See which trusted APIs developers rely on for robust features, reliability, and easy integration.
Token Metrics Team
5
MIN

APIs are the silent workhorses powering today’s most innovative software. Whether you’re a crypto enthusiast automating portfolio analysis, or a web developer looking to enrich your app with real-time data, the right free API can supercharge your project—and your productivity. But with thousands out there, which free APIs truly stand out for reliability, ease of use, and breadth of features?

Why Free APIs Matter for Developers and Innovators

APIs—Application Programming Interfaces—allow applications to seamlessly interact, share insights, and build on each other's strengths. The best free-to-use APIs democratize access to powerful datasets, functionalities, and market signals. For crypto, AI, fintech, or simply creative digital projects, high-quality APIs can:

  • Accelerate product development with ready-made data and processing tools
  • Enable experiments in new tech areas without initial investment
  • Foster community-driven innovation thanks to open documentation and easy onboarding

However, not all free APIs are created equal. Some offer limited usage tiers, outdated data, or spotty reliability. That’s why informed selection is crucial, especially for mission-critical apps.

Top Free APIs for Cryptocurrency and Blockchain Projects

The crypto landscape thrives on transparency and timely data. For enthusiasts building bots, dashboards, or research tools, these free APIs consistently earn praise:

  • CoinGecko API: Delivers comprehensive token prices, volumes, and market data. Free tier includes generous rate limits and supports thousands of assets.
  • CoinMarketCap Public API: Offers price feeds and historical data for cryptocurrencies, ideal for analysts and monitoring tools.
  • Etherscan API: The go-to source for Ethereum blockchain explorers, enabling developers to fetch address balances, smart contract source, and token transactions for free.
  • Glassnode API (Free Tier): On-chain metrics and indicators, including supply activity and network health, are freely accessible for non-commercial use.

These APIs are often foundational building blocks for portfolio trackers, on-chain analytics, and even education platforms. Crucially, they’re maintained, well-documented, and support broad application ranges without requiring payment—or personal information—at the entry level.

Best Free APIs Across Data, AI, and Web Development

If your project stretches beyond crypto, the open web is full of powerful (yet freely accessible) APIs for various domains:

  1. OpenWeatherMap API: Real-time and forecast weather data for any global location. Great for travel, logistics, and even DeFi insurance products.
  2. NewsAPI: Aggregates global headlines and breaking news. Many developers use it for sentiment dashboards, trend-following, or daily newsletters.
  3. OpenAI API (trial/limited free tier): Enables natural language understanding, chatbots, and text processing. Developers can access some GPT models for experimentation on a free plan.
  4. RapidAPI Hub: A directory hosting hundreds of free-to-use APIs in every possible category—from sports to sentiment analysis. RapidAPI offers unified onboarding and monitoring.
  5. Public-APIs (GitHub Community List): An open-source, crowd-curated list of categorized free APIs, kept up to date for AI, datasets, image processing, and more.

These tools let you build everything from machine learning prototypes to hobbyist weather notifiers. Carefully review usage limits and (where relevant) data privacy arrangements as you scale your innovation.

How to Choose and Integrate Free APIs Securely

Not every free API is equally reliable or secure. Situations to consider include:

  • Data Accuracy and Uptime: Ensure the provider offers a clear SLA or uptime history, especially for finance or real-time apps.
  • Privacy: Favor APIs that don’t require sensitive personal data unless absolutely necessary.
  • API Limits and Scaling: Free tiers are often rate-limited. Consider future upgrades and monitor usage to avoid service interruptions.
  • Documentation and Community: Well-documented APIs, ideally with samples and open forums, accelerate integration and reduce confusion.

When integrating, secure your keys in environment variables, use HTTPS endpoints, and avoid exposing credentials in public sources. Always plan for error handling and fail-safes.

The Growing Role of Free APIs in AI and Analytics

The explosion of AI-generated insights and predictive analytics owes much to accessible APIs. With free endpoints for data labeling, model inference, and sentiment tracking, even small development teams can launch powerful, AI-enhanced products. Projects like Hugging Face’s free models hub or the OpenAI playground democratize once-complex capabilities, unlocking new digital frontiers for research and public good.

For crypto analysis, AI-backed APIs—like those from Token Metrics—combine quantitative techniques and machine learning to highlight actionable trends and on-chain activity. As free API ecosystems expand, expect an even richer toolbox for developers at every skill level.

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Token Metrics provides real-time prices, trading signals, and on-chain insights all from one powerful API. Grab a Free API Key

What is an API and why are they essential in crypto or AI?

APIs let different software systems communicate and share data or services. In crypto, APIs deliver live price data, transaction histories, and on-chain analytics. In AI, APIs allow access to model inference, data labeling, and natural language processing, lowering barriers for developers and researchers.

Are free APIs truly reliable for production use?

Many free APIs maintain high uptime and data accuracy, especially those from reputable organizations. However, they may have stricter rate limits, fewer support options, or evolving terms. For mission-critical operations, always implement redundancy and review official service level commitments.

Which are the best free APIs for cryptocurrency analysis?

Popular options include CoinGecko, CoinMarketCap, and Etherscan for price and blockchain data. For AI-driven insights, platforms like Token Metrics provide actionable intelligence with robust free tiers.

How do I keep my API keys and data secure?

Never hardcode keys in public repos or client-side code. Use secure storage (environment variables or vaults), enforce HTTPS, rotate keys regularly, and monitor API access logs to identify anomalies.

What should I check before integrating any free API?

Review documentation, data freshness, rate limits, provider reputation, privacy compliance, and supported SDKs. Test endpoints in your dev environment and plan for graceful error handling to ensure resilience.

Disclaimer

This article is for informational purposes only and does not constitute financial, investment, or legal advice. Always perform due diligence when evaluating APIs, tools, or digital assets. No endorsement is implied. Third-party API providers may change terms at any time; verify details before production use.

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Token Metrics Team
Token Metrics Team

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Research

Moonshot Tokens in 2025: High-Risk, High-Reward Plays in the Crypto Market

Token Metrics Team
6 min
MIN

Introduction

The crypto market has always been fertile ground for high-risk, high-reward opportunities. While blue-chip assets like Bitcoin and Ethereum dominate headlines, the real thrill — and sometimes the highest returns — often comes from what the industry calls “moonshots.”

These are small-cap tokens, often under $50 million in market cap, with explosive potential and equally high volatility. In 2025, moonshots remain a core part of speculative trading strategies. But what exactly are they? How do you find them? And most importantly, how can you manage the outsized risks they carry?

Let’s dive into the world of moonshots, drawing insights from recent market trends and real-world data.

What Are Moonshot Tokens?

Moonshot tokens are early-stage, low-cap cryptocurrencies that carry massive upside potential. They often represent experimental ideas or emerging narratives — think AI integration, meme culture, or social tokens — that haven’t yet been fully recognized by the broader market.

Because they trade at relatively low valuations, even small inflows of capital can cause outsized price swings. It’s not uncommon for a moonshot to deliver 10x or even 50x gains within a short time. But the flip side is brutal: these same tokens can plummet to zero just as quickly.

Key characteristics of moonshots:

  • Market cap: Typically under $50 million.
  • Narrative-driven: Often tied to strong trends like AI, gaming, or DeFi experiments.
  • Volatility: Sharp, frequent price swings.
  • Liquidity: Thin order books, making large trades difficult without impacting price.

Why Are Moonshots Gaining Traction in 2025?

The current market environment — with crypto market capitalization hovering around $4 trillion — has created room for risk-taking. Investors who missed early gains on Bitcoin or Ethereum are now searching for the next big thing, leading to renewed interest in small-cap tokens.

Emerging narratives also fuel the fire:

  • AI-Crypto Fusion: Projects like Sahara AI and Mobi AI are proving that the AI narrative isn’t slowing down.
  • Social Tokens & Web3 Platforms: Zora’s creator-focused token model demonstrates how social media and crypto can intersect.
  • Community-First DeFi: Protocols like Blackhole DEX show the power of grassroots tokenomics.

These narratives often spill over into the moonshot arena, as smaller projects attempt to replicate the success of these headline-grabbing platforms.

How to Identify Promising Moonshots

Identifying moonshots is part research, part intuition, and part risk tolerance. Here’s what to look for:

1. Strong Narrative Alignment

The most successful moonshots ride on current narratives. In this cycle, AI agents, decentralized social platforms, and community-owned DeFi projects are leading themes. Projects in these categories often experience rapid hype-driven adoption.

2. On-Chain Data

Tools like Dune Analytics and on-chain scanners can reveal whale accumulation, new liquidity pools, or spikes in active addresses — all early indicators of growing interest.

3. Tokenomics

Evaluate supply schedules:

  • How many tokens are in circulation?
  • Are there large unlocks coming soon?
  • Does the project have mechanisms like buybacks or burns to support price stability?

4. Developer & Investor Backing

While many moonshots are grassroots projects, strong teams or backing from reputable funds (e.g., Polychain, Binance Labs) can boost credibility.

Case Studies: Recent Moonshots to Watch

1. Vine (Meme Token):
A meme coin leveraging the Vine brand, this token has gained traction despite limited documentation. Its appeal lies largely in nostalgia and speculative hype.

2. Moby AI: What started as an AI-driven whale-tracking agent has evolved into Mobi Screener, a Dexscreener competitor with integrated social features. The token model ties platform usage to token value — a promising experiment in utility-driven moonshots.

3. Graphite Protocol:
Developers behind Bonk Fun (a leading meme token platform), Graphite has created a buyback and burn model linked to Bonk’s success, aligning token value directly with ecosystem growth.

4. CookieDAO:
Initially positioned as an AI agent platform, CookieDAO is now expanding into proof-of-belief systems, adding new utilities and campaign features for Web3 projects.

The Risk Side: Why Moonshots Can Go to Zero

Moonshots are inherently speculative. Common pitfalls include:

  • Team Abandonment or Rug Pulls: Some projects vanish overnight.
  • Unsustainable Hype: Many moonshots rely on short-term narratives that fade.
  • Low Liquidity: Thin markets make it difficult to enter or exit without significant slippage.

A recent example is SpaceMesh, once hyped as a “next Bitcoin.” Despite strong tech, internal disputes and poor execution led to a near-total collapse — a stark reminder that good code doesn’t always equal good investment.

Managing Risk: A Practical Approach

If you’re trading moonshots, risk management is everything.

1. Position Sizing:
Never allocate more than 1% of your portfolio to any single moonshot. Spreading capital across multiple small positions reduces the impact of one token collapsing.

2. Diversification:
Balance moonshots with higher-cap tokens to stabilize overall portfolio performance.

3. Predefined Exits:
Set clear take-profit and stop-loss levels before entering a trade. Emotional decisions often lead to losses.

4. Time Your Entries:
Consider entering after initial hype cools but before major announcements or roadmap milestones.

The Future of Moonshots: Are They Worth It?

While moonshots can be risky, they remain an integral part of crypto’s DNA. For many traders, they serve as lottery tickets in a market where early discovery can lead to life-changing gains.

In 2025, moonshots are evolving. They’re no longer just meme-driven gambles. Increasingly, they represent experimental innovation — blending DeFi models, AI integrations, and community governance in ways that push the boundaries of blockchain technology.

Conclusion

Moonshots are not for the faint-hearted. They require research, timing, and above all, discipline. In 2025, with themes like AI-driven platforms, decentralized social networks, and community-focused DeFi reshaping the market, the next breakout token could be hiding in plain sight.

Whether you’re a seasoned trader or a curious newcomer, understanding the dynamics of moonshots — and respecting their risks — is essential for navigating this volatile but potentially rewarding segment of crypto.

Research

DeFi and AI Tokens Dominate as Crypto Market Nears $4 Trillion

Token Metrics Team
6 min
MIN

The cryptocurrency market continues to show resilience, with total market capitalization maintaining a strong foothold near $4 trillion. While Bitcoin remains the cornerstone of this cycle, the spotlight is shifting toward altcoins — especially those at the forefront of decentralized finance (DeFi) and artificial intelligence (AI) integration.

In this blog, we’ll explore the top narratives shaping today’s market, focusing on DeFi protocols like Blackhole DEX and PancakeSwap, alongside emerging AI projects such as Sahara AI and Moby AI.

Why DeFi Is Surging Again

DeFi has staged an impressive comeback in 2025. After a period of stagnation, several protocols have redefined their models to prioritize community engagement and sustainable growth.

Black Hole DEX:
Launched on Avalanche, Blackhole DEX has quickly become the network’s largest decentralized exchange, overtaking Trader Joe. The platform uses a community-first approach: no team allocation, weekly token emissions to liquidity providers, and a bribe-based voting mechanism for rewards distribution.

Impact:
This design has created a powerful flywheel effect. As token prices rise, APYs increase, attracting more liquidity, which in turn boosts trading volume and revenue. Within days, Blackhole DEX grew its TVL from $7 million to $193 million — a staggering feat.

PancakeSwap: A Sleeping Giant?

PancakeSwap, the dominant DEX on Binance Smart Chain (BSC), has been quietly outperforming its competitors in trading volumes and fee generation. Recent data shows PancakeSwap generating more than 4x the daily fees of Uniswap, yet its fully diluted valuation remains significantly lower.

Growth Catalysts:

  • Integration with the Binance Wallet ecosystem.
  • Expansion into other ecosystems like Solana.
  • All-time-high trading volumes despite broader market corrections.

For investors seeking a large-cap DeFi protocol with strong fundamentals and potential upside, PancakeSwap’s metrics warrant attention.

AI Meets Crypto: The Next Frontier

Artificial intelligence continues to transform multiple industries, and crypto is no exception.

Sahara AI:
Sahara AI is building a full-stack AI infrastructure for decentralized applications. Backed by heavyweights like Binance and Polychain, its mission is to bridge Web3 and AI — a theme that’s likely to dominate innovation cycles in the coming years.

Moby AI:
Initially launched as an AI trading agent, Moby AI has expanded into building tools like Moby Screener, a competitor to Dexscreener. Its unique tokenomics link user engagement directly to the platform’s utility, making it an experiment worth watching.

The Broader Altcoin Landscape

Beyond DeFi and AI, other notable projects are also gaining ground:

  • Graphite Protocol: The developer behind LetsBonk.Fun, sharing revenue with its ecosystem tokens through buyback strategies.

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  • Zora: A social media-meets-crypto platform allowing creators to monetize their content directly on-chain.

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  • Project X: A cross-chain DEX on Hyperliquid, amassing $28 million in TVL within 24 hours of launch.

These projects underscore the diversity of innovation happening outside Bitcoin’s shadow.

Risk Management in a Volatile Market

The excitement around DeFi and AI tokens comes with elevated risk. Here are some best practices:

  • Allocate wisely: Keep high-risk allocations (like low-cap “moonshots”) small — no more than 1% per trade.
  • Monitor narratives: Rapid shifts in market sentiment can create both opportunities and pitfalls.
  • Stay updated: Protocol changes, tokenomics adjustments, and ecosystem partnerships can significantly impact valuations.

Conclusion

As the crypto market edges closer to $4 trillion, the narratives driving growth are evolving. DeFi is proving its staying power with innovative models like Black Hole DEX, while AI-focused projects like Sahara AI are pushing the boundaries of what blockchain can achieve.

For market participants, the challenge lies in identifying which of these trends have lasting potential — and positioning themselves accordingly.

Research

Altcoins on the Rise: How Bitcoin’s Stability Is Fueling the Next Market Wave

Token Metrics Team
6 min
MIN

As Bitcoin stabilizes near its recent highs, the crypto market is witnessing a familiar pattern — altcoins are beginning to surge. While Bitcoin often leads during the early phases of a bullish cycle, history shows that capital tends to flow into altcoins as confidence builds. In the past two weeks, this transition has become increasingly evident, with several promising projects capturing significant market attention.

Bitcoin’s Stabilization and What It Means

Since early July, Bitcoin has managed to hold above key resistance levels, cementing its role as the market’s anchor. At the time of writing, total crypto market capitalization hovers near $4 trillion — a level that hasn’t been seen since the previous cycle’s peaks. Historically, when Bitcoin consolidates above its former highs, capital begins rotating into altcoins. This shift often marks the start of a broader rally across the market.

Key takeaway: The current market appears to be in the early stages of this altcoin rotation.

Altcoins Leading the Charge

Several altcoins have emerged as strong contenders in recent weeks.

1. Zora: The Social Token Platform
Zora, an on-chain social platform that allows creators to tokenize posts and earn from their content, has seen exponential growth following its integration into the Base App (Coinbase’s rebranded wallet). Creator activity and transaction volumes have surged, driving up demand for the Zora token. With each creator post paired to the Zora token, this integration has created a direct link between platform usage and token utility.

Why it matters: The combination of Web3 social media and creator monetization is a powerful narrative, and Zora appears well-positioned to capitalize on this trend.

2. Spark: A MakerDAO-Connected Lending Platform
Spark, a DeFi lending protocol linked to Sky Protocol, has also been a standout performer. It recently experienced a sharp increase in liquidity and price action, fueled by its integration with CookieDAO’s campaign and ongoing airdrop programs.

Why it matters: With DeFi gaining renewed interest, protocols offering sustainable yields through established ecosystems like Sky Protocol (formerly MakerDAO) are likely to remain attractive to both retail and institutional participants.

3. Sahara AI: Building the AI-Crypto Intersection
Sahara AI has positioned itself at the intersection of AI and blockchain. Backed by Binance, Polychain, and Foresight Ventures, this project offers a full-stack AI solution tailored for decentralized applications. Its long-term vision of creating AI-enabled Web3 services is attracting both developers and investors.

Why it matters: AI and crypto remain two of the most dominant narratives in tech, and projects combining these sectors could drive the next wave of innovation.

4. PancakeSwap: Undervalued Giant?
Despite being one of the largest DEXs by trading volume and daily fee generation, PancakeSwap appears significantly undervalued compared to peers like Uniswap. The platform recently expanded its operations to other chains, including Solana, and benefits from strong integration with the Binance Wallet ecosystem.

Why it matters: Fundamentals suggest PancakeSwap has room for growth if the market re-rates its value relative to competitors.

Market Themes to Watch

Bitcoin vs. Altcoin Season:
Our analysis shows we are still in a Bitcoin-dominant phase. Historically, altcoins outperform when Bitcoin consolidates or cools off. This implies that the current rotation into altcoins could continue as capital flows down the risk curve.

DeFi Revival:
Protocols like Blackhole DEX on Avalanche — which has grown its TVL from $7 million to $193 million in less than 2 weeks — highlight a renewed interest in decentralized finance. Unlike VC-backed models, Blackhole’s community-first tokenomics have resonated with users seeking fairer distribution.

Social Tokens & AI Integration:
Platforms like Zora and Sahara AI are tapping into major growth narratives: decentralized social media and artificial intelligence. Both sectors are likely to see continued experimentation and adoption.

Managing Risk in Altcoin Investing

While the upside potential in altcoins is high, so is the volatility. For high-risk trades, such as “moonshots” (low-cap tokens under $50 million market cap), we recommend:

  • Position sizing: Limit exposure to 1% per trade.
  • Diversification: Spread investments across multiple projects to reduce single-token risk.
  • Exit planning: Pre-define take-profit and stop-loss levels.

Conclusion

The crypto market is entering an exciting phase. Bitcoin’s consolidation above key levels suggests a healthy backdrop for risk assets, and altcoins are beginning to benefit. From creator monetization platforms like Zora to cross-chain DeFi protocols like Spark and Black Hole, this new wave of projects represents the diversity and innovation driving the next cycle.

As always, measured participation and disciplined risk management remain essential.

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