Token Metrics API

Free Crypto API: Build Smarter Crypto Apps at Zero Cost

Compare the best free crypto APIs for developers. Token Metrics offers real-time prices + AI trading signals free vs CoinGecko, CryptoCompare, and Glassnode. Perfect for prototyping trading bots and dashboards.
Sam Monac
6 min
MIN

What Is a Free Crypto API?

A free crypto API gives developers access to cryptocurrency data without upfront costs. Think of it as a bridge between raw blockchain/market data and your application. APIs let you pull:

  • Real-time token prices and charts

  • Historical data for backtesting and research

  • Market cap, liquidity, and trading volumes

  • On-chain metrics such as wallet flows

  • AI-driven trading signals and predictive insights

Free tiers are invaluable for prototyping apps, dashboards, and bots. They let you validate ideas quickly before paying for higher throughput or advanced endpoints.

Why Developers Use Free Crypto APIs

Free crypto APIs aren’t just about saving money—they’re about learning fast and scaling smart:

  • Zero-Cost Entry – Start building MVPs without financial risk.

  • Rapid Prototyping – Test ideas like dashboards, bots, or AI agents quickly.

  • Market Exploration – Access broad coverage of tokens before committing.

  • Growth Path – Once demand grows, upgrade to premium tiers seamlessly.

📌 Tip: Use multiple free crypto APIs in parallel during early development. This helps you benchmark speed, reliability, and accuracy.

Key Features of the Token Metrics Free API

The Token Metrics free tier goes beyond basic price feeds by offering:

  • Real-Time Prices – Live data on Bitcoin, Ethereum, and thousands of tokens.

  • AI Trading Signals – Bull/Bear indicators that help power smarter strategies.

  • Secure Access – Encrypted endpoints with key-based authentication.

  • 30 Days of History – Enough to prototype backtests and analytics features.

Unlike many free crypto APIs, Token Metrics API provides both price data and intelligence, making it ideal for developers who want more than surface-level metrics.

Comparing Free Crypto APIs: Strengths & Trade-offs

  • CoinGecko & CoinMarketCap


    • Pros: Huge token coverage, great for charts and tickers.

    • Cons: Limited historical and no predictive analytics.

  • CryptoCompare


    • Pros: Rich historical tick-level data, good for backtesting.

    • Cons: Free tier limits depth and call volume.

  • Glassnode


    • Pros: Strong on-chain insights.

    • Cons: Many advanced datasets require paid access.

  • Alchemy & Infura


    • Pros: Node-level blockchain access for dApp builders.

    • Cons: Not designed for trading or analytics—raw blockchain data only.

  • Token Metrics


    • Pros: Real-time prices, AI signals, and on-chain analytics in one free tier.

    • Cons: Rate limits apply (upgrade available for higher throughput).

Popular Use Cases: From Bots to Dashboards

  • AI Crypto Trading Bots – Start testing automation using live prices and bull/bear signals.

  • Crypto Dashboards – Aggregate token ratings, prices, and trends for end users.

  • Research Tools – Run small-scale backtests with 30-day historical data.

  • Learning Projects – Ideal for students or developers exploring crypto APIs.

📌 Real-world example: Many developers use the Token Metrics free tier to prototype bots that later scale into production with paid plans.

Best Practices for Using Free Crypto APIs

  1. Start with Prototypes – Test multiple free APIs to compare reliability and latency.

  2. Track Rate Limits – Free tiers often throttle requests (e.g., 5 req/min at Token Metrics).

  3. Combine Data Sources – Use Token Metrics for signals + CoinGecko for broad coverage.

  4. Secure Keys – Treat even free API keys as sensitive credentials.

  5. Prepare to Upgrade – Build flexible code so you can switch tiers or providers easily.

Beyond Token Metrics: Other Free Resources Worth Knowing

  • DefiLlama API – Free coverage of DeFi protocols, yields, and TVL.

  • Dune Analytics – Query blockchain data with SQL for free.

  • TradingView Widgets – Embed charts directly into dashboards.

  • Santiment API – Free endpoints for social/sentiment analytics.

These can complement Token Metrics. For example, you could combine Token Metrics signals + DefiLlama DeFi data + TradingView charts into one unified dashboard.

How to Get Started With the Token Metrics Free API

  1. Sign Up for a free Token Metrics account.

  2. Generate Your API Key instantly from your dashboard.

  3. Check the Docs for endpoints, examples, and code snippets.

  4. Prototype Your App with real-time prices and signals.

  5. Upgrade When Ready to unlock larger datasets and more endpoints.

👉 Grab Your Free Token Metrics API Key

FAQs About Free Crypto APIs

What can I access with Token Metrics Free API?
Live token prices, bull/bear trading signals, and 30 days of historical data.

Are free APIs reliable for production?
Not recommended—free tiers are best for prototypes. Paid tiers ensure reliability and scale.

What are the rate limits?
500 calls/month, 5 requests/minute, and 1 WebSocket connection.

Can I use the free API for trading bots?
Yes—ideal for prototyping. For production-level bots, upgrade for more throughput.

Scaling Beyond Free: Paid Plans & X.402

When your project outgrows free limits, Token Metrics offers flexible upgrades:

  • Pay-Per-Call (X.402) – As low as $0.017 per call, unlimited usage, no commitment.

  • Advanced Plan ($999.99/year) – 20,000 calls/month, indices & indicators, 3 WebSockets.

  • Premium Plan ($1,999.99/year) – 100,000 calls/month, AI agent + reports, 3 years of history.

With up to 35% off using TMAI tokens, scaling is cost-efficient.

📌 Why X.402 matters: Instead of committing upfront, you can grow gradually by paying per call—perfect for startups and side projects.

Build Smarter, Scale Easier

Free APIs help you start quickly and learn fast. Token Metrics gives you more than prices—it adds AI-powered signals and intelligence. Combine it with other free APIs, and you’ll have a toolkit that’s powerful enough for experimentation and flexible enough to scale into production.

👉 Create Your Free Token Metrics Account and Start Building

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Build Smarter Crypto Apps &
AI Agents in Minutes, Not Months
Real-time prices, trading signals, and on-chain insights all from one powerful API.
Grab a Free API Key
Token Metrics Team
Token Metrics Team

Recent Posts

Announcements

Stop Guessing, Start Trading: The Token Metrics API Advantage

Token Metrics Team
3 min
MIN

Big news: We’re cranking up the heat on AI-driven crypto analytics with the launch of the Token Metrics API and our official SDK (Software Development Kit). This isn’t just an upgrade – it's a quantum leap, giving traders, hedge funds, developers, and institutions direct access to cutting-edge market intelligence, trading signals, and predictive analytics.

Crypto markets move fast, and having real-time, AI-powered insights can be the difference between catching the next big trend or getting left behind. Until now, traders and quants have been wrestling with scattered data, delayed reporting, and a lack of truly predictive analytics. Not anymore.

The Token Metrics API delivers 32+ high-performance endpoints packed with powerful AI-driven insights right into your lap, including:

  • Trading Signals: AI-driven buy/sell recommendations based on real-time market conditions.
  • Investor & Trader Grades: Our proprietary risk-adjusted scoring for assessing crypto assets.
  • Price Predictions: Machine learning-powered forecasts for multiple time frames.
  • Sentiment Analysis: Aggregated insights from social media, news, and market data.
  • Market Indicators: Advanced metrics, including correlation analysis, volatility trends, and macro-level market insights.

‍Getting started with the Token Metrics API is simple:

  1. Sign up at www.tokenmetrics.com/api. 
  2. Generate an API key and explore sample requests.
  3. Choose a tier–start with 50 free API calls/month, or stake TMAI tokens for premium access.
  4. Optionally–download the SDK, install it for your preferred programming language, and follow the provided setup guide.

At Token Metrics, we believe data should be decentralized, predictive, and actionable. 

The Token Metrics API & SDK bring next-gen AI-powered crypto intelligence to anyone looking to trade smarter, build better, and stay ahead of the curve. With our official SDK, developers can plug these insights into their own trading bots, dashboards, and research tools – no need to reinvent the wheel.

Crypto Basics

How to Buy Ethereum (ETH) Easily on Token Metrics

Token Metrics Team
4 mins
MIN

Why Buy Ethereum?

Ethereum (ETH) is more than just a cryptocurrency—it's the backbone of decentralized finance (DeFi), NFTs, and smart contract applications. As the second-largest crypto by market cap, Ethereum continues to be a top investment choice for those looking to participate in the future of blockchain technology.

Now, buying ETH has never been easier! With Token Metrics, you can research, analyze, and purchase Ethereum all in one seamless experience.

Step-by-Step Guide: How to Buy Ethereum

1. Get Started on Token Metrics

To purchase ETH, you first need to access the Token Metrics trading platform. Simply log in to your Token Metrics account and navigate to the trading section.

2. Fund Your Web3 Wallet

Before making a purchase, ensure that you have a Web3 wallet such as MetaMask or Trust Wallet. Fund your wallet with crypto or stablecoins to facilitate transactions smoothly.

3. Use AI-Powered Analysis for Smarter Investing

Before buying, leverage Token Metrics' AI trading assistant (TMAI) to get real-time technical analysis and price predictions for Ethereum. Our AI-driven insights help you make informed decisions based on market trends and signals.

4. Buy Ethereum Seamlessly

Once you've reviewed Ethereum's performance, you can execute your trade directly on Token Metrics—no need to switch between multiple apps or exchanges. Simply enter the amount of ETH you want to purchase and confirm your transaction.

5. Securely Store Your ETH

After purchasing Ethereum, you can store it in your Web3 wallet for easy access or transfer it to a hardware wallet for added security.

Why Buy Ethereum on Token Metrics?

  • One-Stop Platform: Research, analyze, and invest—all in one place.
  • AI-Powered Insights: Get expert-level market analysis before purchasing.
  • Secure & Easy Transactions: No need for multiple apps or exchanges—buy ETH directly on Token Metrics.
  • Web3 Integration: Trade ETH effortlessly with your Web3 wallet.

Invest in Ethereum Today with Token Metrics!

Ethereum is at the forefront of blockchain innovation, and now you can buy ETH effortlessly on Token Metrics. Get started today and stay ahead in the crypto revolution!

Crypto Basics

Why Choose the TMAI Agent?

Token Metrics Team
5 mins
MIN

In the ever-evolving world of cryptocurrency, having the right tools can make the difference between success and missed opportunities. While many AI agents offer data and analysis, Token Metrics’ AI Agent, TMAI, goes beyond the basics, delivering an all-in-one platform designed to transform the way traders and investors interact with the crypto market.

With TMAI, you’re not just getting an intelligent assistant for insights—you’re gaining a complete solution for researching, analyzing, and swapping tokens. Let’s explore why TMAI stands out as the ultimate companion for crypto traders and investors.

1. Real-Time Market Analysis

TMAI provides instant access to comprehensive market data and analysis, empowering you to stay ahead of market trends.

  • 24/7 Market Monitoring: Get updates on price movements, trends, and volatility in real-time.
  • Actionable Insights: From Bitcoin to altcoins, TMAI analyzes market conditions and delivers clear, data-backed recommendations.

Whether you’re a day trader or a long-term investor, having real-time insights at your fingertips ensures you never miss an opportunity.

2. Personalized Recommendations Tailored to You

TMAI understands that no two investors are the same. That’s why it delivers personalized recommendations based on your goals and preferences.

By tailoring its insights to your needs, TMAI ensures every recommendation is relevant and actionable.

3. A Step Beyond: Crypto Token Swaps

While many AI agents stop at providing analysis, TMAI takes it to the next level by enabling crypto token swaps directly from the platform.

  • Seamless Transactions: Connect your wallet to TMAI and swap tokens with just a few clicks.
  • All-in-One Platform: No need to juggle multiple tools or platforms—research, analyze, and invest all in one place.
  • Unmatched Convenience: Whether you’re diversifying your portfolio or entering a new position, TMAI simplifies the process by combining decision-making and execution.

This unique feature sets TMAI apart, making it a true game-changer in the world of AI-powered crypto tools.

4. 24/7 Assistance Anytime, Anywhere

The crypto market never sleeps, and neither does TMAI.

  • Always Available: TMAI provides round-the-clock support, ensuring you have access to insights and recommendations whenever you need them.
  • User-Friendly Interface: Designed for traders and investors of all experience levels, TMAI makes it easy to get the information you need, even if you’re new to crypto.

Whether it’s 2 a.m. or 2 p.m., TMAI is always ready to assist.

5. Trusted by Token Metrics’ Proven Platform

TMAI isn’t just an AI agent; it’s powered by the robust data and analytics infrastructure of Token Metrics.

  • Extensive Crypto Database: Access insights from thousands of tokens, covering market trends, sentiment, and technical analysis.
  • Proven Accuracy: Token Metrics’ tools and analysis have consistently helped users make informed decisions, and TMAI brings that expertise directly to you.

By integrating Token Metrics’ trusted data with AI, TMAI offers a level of precision and reliability unmatched by other tools.

Why TMAI Is the Ultimate Crypto Companion

TMAI is more than an AI agent—it’s a complete solution for crypto traders and investors. Here’s why it stands out:

  • Convenience: Research, analyze, and execute trades—all in one place.
  • Comprehensive Features: From real-time analysis to token swaps, TMAI covers every aspect of the trading process.
  • Accessibility: Whether you’re a beginner or a pro, TMAI adapts to your needs with personalized recommendations and 24/7 support.

By combining advanced AI technology with Token Metrics’ expertise, TMAI empowers you to make smarter decisions, save time, and maximize your returns.

Experience the Future of Crypto Trading with TMAI

With TMAI, the future of crypto trading is here. Stop juggling multiple platforms and start using a single tool that can handle it all. From market analysis to token swaps, TMAI brings unparalleled convenience and precision to your crypto journey.

Ready to simplify your crypto experience? Try TMAI today at www.tokenmetrics.com

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