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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
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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

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
About Token Metrics
Token Metrics: AI-powered crypto research and ratings platform. We help investors make smarter decisions with unbiased Token Metrics Ratings, on-chain analytics, and editor-curated “Top 10” guides. Our platform distills thousands of data points into clear scores, trends, and alerts you can act on.
30 Employees
analysts, data scientists, and crypto engineers
30 Employees
analysts, data scientists, and crypto engineers
30 Employees
analysts, data scientists, and crypto engineers
Want Smarter Crypto Picks—Free?
See unbiased Token Metrics Ratings for BTC, ETH, and top alts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
 No credit card | 1-click unsubscribe
Token Metrics Team
Token Metrics Team

Recent Posts

Crypto Basics

What is Spot Trading and Is It Profitable?

S. Vishwa
6 minutes

If you are wondering what is spot trading, this is the place to be.

Spot trading is a fundamental mechanism that allows investors to buy or sell financial assets for immediate delivery or settlement. This type of trading is prevalent in financial markets, such as stocks, currencies, commodities, and cryptocurrencies, and plays a vital role in facilitating price discovery and market efficiency.

One of the significant benefits of spot trading is its flexibility, which enables investors to respond quickly to market movements and capitalize on short-term opportunities.

What is Spot Trading?

In simple words, Spot trading in crypto refers to buying and selling cryptocurrencies for immediate delivery or settlement. In other words, when you engage in spot trading, you exchange one cryptocurrency for another at the current market price without delay or future delivery.

When you engage in spot trading, you're typically looking to profit from short-term price fluctuations in the market. For example, you might buy a cryptocurrency when you think its price will increase and then sell it shortly after to realize a profit. Alternatively, you might sell a cryptocurrency when you consider its price will decrease and repurchase it later at a lower price.

Spot trading differs from other forms of crypto trading, such as futures trading or options trading, which involve buying or selling contracts that obligate you to buy or sell a certain amount of cryptocurrency at a future date and price. In contrast, spot trading involves only the immediate exchange of cryptocurrencies at their current market value.

How Does Crypto Spot Trading Work?

Crypto spot trading allows users to buy or sell cryptocurrencies at the current market price in real-time. Here are the basic steps involved in a typical crypto spot trade:

  • Choose a cryptocurrency exchange: The first step is to choose a cryptocurrency exchange that supports spot trading. Some popular exchanges include Binance, Coinbase, and Kraken.
  • Create an account: Once you've chosen an exchange, you must create an account by providing your personal information and verifying your identity.
  • Fund your account: After creating an account, you must fund it with fiat currency (such as USD or EUR) or another cryptocurrency.
  • Choose the cryptocurrency pair: You must choose the cryptocurrency pair you want to trade. For example, you would choose the BTC/USD pair to buy Bitcoin using USD.
  • Place an order: Once you've selected the cryptocurrency pair, you can order to buy or sell the cryptocurrency at the current market price. You can also choose to place a limit order, which allows you to specify a particular price at which you want to buy or sell the cryptocurrency.
  • Execute the trade: If your order is accepted, the trade will be executed immediately, and you'll receive the purchased cryptocurrency in your exchange wallet.
  • Withdraw your funds: Finally, you can withdraw your funds (either fiat currency or cryptocurrency) from the exchange and transfer them to your personal wallet.

It's important to note that the price of cryptocurrencies can be volatile and may change rapidly. Hence, exercising caution and conducting your own research is important before engaging in spot trading.

Pros and Cons of Crypto Spot Trading

There are several pros and cons to consider when it comes to crypto spot trading:

Pros of Spot Trading

  • Immediate execution: With spot trading, you can buy or sell cryptocurrencies immediately at the current market price, allowing you to take advantage of short-term price movements and capitalize on opportunities.
  • Simplified process: Spot trading is relatively straightforward compared to other forms of trading, such as futures or options trading, which can be more complex and require more expertise.
  • Low fees: Spot trading typically has lower fees than other forms of trading, making it a cost-effective way to trade cryptocurrencies.
  • High liquidity: Crypto spot trading is often highly liquid, meaning there are many buyers and sellers, making it easy to execute trades quickly and efficiently.

Cons of Spot Trading

  • Volatility: The high volatility of cryptocurrencies can make spot trading risky, as the price of cryptocurrencies can fluctuate rapidly and unpredictably.
  • Limited options: Spot trading only allows for buying and selling cryptocurrencies at the current market price, which means that you may have fewer options for trading strategies than other forms of trading.

Overall, spot trading can be a good way to trade cryptocurrencies for those comfortable with the risks involved and want a simple and cost-effective way to take advantage of short-term price movements. However, it's important to do your research and understand the risks involved before engaging in any trading.

Spot Trading Vs. Futures Trading Vs. Margin Trading

Here are some of the key differences between these trading methods:

Spot trading

  1. Immediate execution: In spot trading, trades are executed immediately at the current market price.
  2. Low fees: Spot trading typically has lower fees compared to futures trading.
  3. No expiry date: Spot trading does not have an expiry date, so you can hold your positions for as long as you want.
  4. Simple: Spot trading is relatively straightforward, making it a good option for beginners.

Futures trading

  1. Speculation: Futures trading is often used for speculation or hedging against future price movements.
  2. High leverage: Futures trading allows for high leverage, meaning traders can make larger trades with smaller amounts of capital.
  3. Expiry date: Futures contracts have an expiry date, which means that traders must close their positions before the expiry date.
  4. Complex: Futures trading can be more complex and requires greater expertise than spot trading.

Margin trading

  1. Leverage: Margin trading allows you to borrow funds from a broker to increase your trading position and potential profits.
  2. Higher risk: Margin trading is riskier than spot trading because of the increased leverage and the potential for greater losses.
  3. More complex: Margin trading can be more difficult and requires greater expertise than spot trading.
  4. Higher fees: Margin trading typically has higher prices than spot trading because of the additional costs associated with borrowing funds.

Spot trading is better suited for those who want to buy or sell cryptocurrencies at the current market price. In contrast, futures trading is better suited for those who want to speculate on future price movements or hedge against potential losses. At the same time, margin trading is better suited for those who wish to increase their trading position and potential profits through leverage. Understanding the differences between the three is important as choosing the best fits your trading goals and risk tolerance. 

Is Spot Trading Profitable?

Spot trading can be profitable but involves risk, and profits are not guaranteed. The profitability of spot trading depends on various factors, such as market conditions, the timing of trades, and the individual trader's knowledge and experience.

To increase the chances of profitability, traders may employ various strategies, such as technical analysis, fundamental analysis, or trading on news events. Traders may also use risk management techniques, such as setting stop-loss orders, to limit potential losses.

The Bottom Line

In conclusion, spot trading is an essential aspect of financial markets that allows investors to buy or sell assets for immediate delivery or settlement. It offers several advantages, including liquidity, transparency, and flexibility, making it a popular choice among traders worldwide.

However, spot trading also involves risks such as price volatility and counterparty risk, which investors must manage effectively. Overall, spot trading plays a critical role in facilitating price discovery and market efficiency, enabling investors to make informed investment decisions and capitalize on market opportunities.

Disclaimer

The information provided on this website does not constitute investment advice, financial advice, trading advice, or any other sort of advice and you should not treat any of the website's content as such.

Token Metrics does not recommend that any cryptocurrency should be bought, sold, or held by you. Do conduct your own due diligence and consult your financial advisor before making any investment decisions.

Crypto Basics

Crypto Price APIs - Best Cryptocurrency API List for Real-time Prices

Token Metrics Team
8 minutes

Cryptocurrency price APIs are essential tools for anyone looking to monitor and analyze the performance of various digital assets. These APIs provide real-time price updates and historical data, allowing users to make informed decisions about buying, selling, and trading cryptocurrencies.

There are many cryptocurrency price APIs available in the market, each with its own set of features and benefits. In this blog post, we will explore some of the key features of crypto price APIs, how to use them and why they are important for investors and traders.

Crypto Price API Overview

Crypto Price API is a way to get real-time and historical cryptocurrency price data. 

This allows developers, traders, and investors to access accurate and up-to-date information on the value of various cryptocurrencies, including Bitcoin, Ethereum, and Litecoin, among others. 

The API is designed to be fast, reliable, and easy to use, with a variety of endpoints and parameters to customize the data returned. 

It offers a range of features, including support for multiple exchanges and currencies, customizable time intervals, and access to a range of trading data, including volume and order book information. 

Overall, the Crypto Price API is a valuable tool for anyone interested in tracking cryptocurrency prices or developing applications that involve cryptocurrencies.

Types of Crypto Price API

There are several types of crypto price APIs available that provide real-time price data for cryptocurrencies.

The most common type is the RESTful API, which allows developers to retrieve price data using HTTP requests. 

WebSocket API is another popular type of crypto price API that provides real-time streaming of data.

The choice of API will depend on the developer's specific needs and the level of detail required for their application.

How to Use the Crypto Price API?

Using the Token Metrics Data API, one can get real-time prices for cryptocurrencies using the Price endpoint.

What’s inside the $TMAI API?

AI-Powered Trading Signals – Bullish and bearish calls backed by over 80 data points
Real-Time Grades – Instantly assess token momentum with Trader & Investor Grades
Curated Indices – Plug into ready-to-use crypto portfolios by sector or market cap
Lightning-Fast Performance – Built for bots, dashboards, dApps, and next-gen trading tools

Whether you’re building a DeFi dashboard, an alpha-sniping bot, or your own crypto terminal — this is your edge.

Getting started is as easy as:

1. Obtaining an API key by signing up for the Token Metrics Data API Plan.

2. Next, you will need to integrate the API into your application or website using the programming language of your choice. This typically involves sending HTTP requests to the API endpoint and parsing the JSON data that is returned. 

3. Use the Price endpoint to make a call to the API and get real-time prices of cryptocurrencies.

Learn more about all the available endpoints here.

Crypto Price API Features

For crypto price APIs to be considered good, the following features are required to exist:

Real-Time Price Updates

One of the most critical features of a cryptocurrency price API is real-time price updates. With the volatile nature of the crypto market, it is crucial to have up-to-date information on the latest price changes. A good API should provide real-time data feeds that allow users to track changes in the market as they happen.

Historical Data

Another essential feature of a cryptocurrency price API is historical data. Historical data is crucial for analyzing the performance of a particular asset over time. With this information, traders can identify patterns and trends in the market and make informed decisions about when to buy or sell a particular asset.

Data Aggregation

Crypto price APIs often aggregate data from multiple exchanges, providing users with a comprehensive view of the market. This feature is especially useful for traders who want to compare prices across different exchanges and find the best deals.

Customizable Notifications

A good cryptocurrency price API should offer customizable notifications, alerting users when certain price thresholds are met. This feature is particularly useful for investors who want to receive alerts when a particular asset reaches a certain price level.

Accuracy

It is important for the API to return accurate data that is actionable and free-from error. If that is not the case, traders can lose a lot of money relying on false data.

Best Cryptocurrency API List for Real-time Prices

Here is the list of top crypto API providers with Free and paid plans.

  1. Token Metrics API
  2. CoinMarketCap
  3. CoinGecko
  4. CryptoCompare
  5. CCXT

The Bottom Line

In conclusion, crypto APIs play a vital role in the world of cryptocurrency by enabling developers to create innovative applications that interact with various blockchain networks. The best crypto APIs provide reliable and secure access to blockchain data, allowing developers to build applications with confidence and efficiency.

When choosing a crypto API, it is important to consider factors such as pricing, ease of use, security, and the range of features available.

As the ecosystem and toolset surrounding this asset class continue to expand, there has never been a more opportune moment to get started.

Crypto Basics

CoinGecko API - Features, Endpoints, Alternatives, and More

Token Metrics Team
6 minutes

CoinGecko is a cryptocurrency data aggregator and analysis platform that provides comprehensive information on various aspects of the cryptocurrency market. It has gained huge popularity and is now one of the most commonly used platforms in the crypto sector.

CoinGecko also offers a an API, which provides access to cryptocurrency market data.

What is CoinGecko API?

CoinGecko API is a freemium, public API that provides developers with access to data about cryptocurrencies and their market prices, trading volumes, market capitalization, and other related information.

This data can be used for a variety of applications, including cryptocurrency portfolio tracking, trading bots, price alert systems, and more.

The API provides a number of endpoints that developers can use to retrieve different types of data, including cryptocurrency prices, market capitalization, NFT floor prices, exchange trading volumes, trading pairs, contract address data, crypto categories, crypto derivatives, images, developer activity, and other crypto industry related data.

How Does CoinGecko API Works?

CoinGecko provides developers an easy-to-use API that can be integrated into their applications to retrieve information about cryptocurrencies.

Through its API, CoinGecko offers various endpoints that allow developers to query cryptocurrency data in different ways. Some of the endpoints include:

Price Endpoint: This endpoint provides real-time and historical price data for cryptocurrencies.

Exchange Rates Endpoint: This endpoint provides exchange rates for various fiat currencies and cryptocurrencies.

Market Data Endpoint: This endpoint provides various market data such as market capitalization, trading volume, and supply for cryptocurrencies.

Developer Endpoint: This endpoint provides data related to the development activities of cryptocurrencies, such as the number of commits, stars, forks, and subscribers on their Github repositories.

Social Media Endpoint: This endpoint provides data on the social media activities of cryptocurrencies, such as the number of followers, tweets, and Reddit subscribers.

To use the CoinGecko API, developers need to obtain an API key from the CoinGecko website. They can then send HTTP requests to the API endpoints to retrieve the desired data. The API returns the data in JSON format, which can be easily parsed and used in the developer's application or a website.

Does CoinGecko have a WebSocket?

No, you need to make individual requests to the API to retrieve data.

Is CoinGecko API free?

CoinGecko API basic version is free* for those who want it for personal use and testing purposes only with some conditions and limits. CoinGecko free API has a rate limit of 10-30 calls/minute.

The free plan has limited endpoints and the number of calls you can make.

You need to upgrade to make the most out of the CoinGecko API.

CoinGecko API Alternatives - Free and Paid

CoinGecko is not the only place to get your Crypto data. In fact, there are some very great alternatives you can use to get propriety data like price prediction, indicators, and more, not just real-time prices.

Let's look at some of the best CoinGecko alternatives you can use today.

Token Metrics

Token Metrics is an AI driven crypto analysis platform which enables its users to research thousands of cryptocurrencies in an automated way. Token Metrics recently launched a Crypto Data API for crypto investors and developers. 

This AI-powered API allows users to get access to more than 10 actionable data endpoints to power trading bots, models, and platforms, to make the most money in the crypto space.

CoinMarketCap

The CoinMarketCap API offers both free and paid tiers, with different limits and access to endpoints.

Like CoinGecko, CoinMarketCap also provides access to data like real-time prices, volume, market capitalization, social media information, and more.

CryptoCompare

CryptoCompare API is another option for accessing real-time and historical cryptocurrency market data. It allows developers to easily integrate data such as prices, trading volume, and exchange rates into their applications. 

The API supports a wide range of cryptocurrencies, exchanges, and trading pairs, making it a great resource for anyone looking to build a cryptocurrency-related project.

Final Thoughts

CoinGecko is one of the leaders in the crypto space, providing access to insightful data about thousands of cryptocurrencies and the market.

However, as time goes on, better solutions are being built that are more powerful and use AI to power their data, like Token Metrics. This allows investors to turn data into actionable insights to make informed investment decisions.

Choose from Platinum, Gold, and Silver packages
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Perfect for Crypto Exchanges, SaaS Tools, DeFi, and AI Products