Crypto Basics

What is Bitcoin Halving and How Does it Impact the Market?

Learn everything about Bitcoin halving and its impact on the crypto market, in this descriptive guide.
Token Metrics Team
7 Minutes
MIN

Over the years, Bitcoin has gained significant popularity and adoption as a means of payment and investment, with a growing number of merchants accepting it as a form of payment and an increasing number of investors buying and holding it as a store of value.

What is Bitcoin Halving?

Bitcoin Halving is a highly anticipated event that takes place every four years in the world of cryptocurrency. It is a pre-programmed adjustment in the Bitcoin blockchain protocol that reduces the mining rewards by 50% for each new block added to the network.

The purpose of the halving is to ensure that the rate of Bitcoin inflation remains under control, and that the total supply of Bitcoin never exceeds 21 million.

The upcoming Bitcoin Halving event has generated a lot of buzz and interest among investors and traders, as it is expected to have a significant impact on the price and overall market sentiment. In this blog post, we will dive deep into the topic of Bitcoin Halving, discussing what it is, how it works, and what to expect from the upcoming halving event.

When was the first Bitcoin Halving?

The first Bitcoin halving occurred on November 28, 2012, approximately four years after the cryptocurrency's launch. At that time, the mining reward for each block added to the Bitcoin blockchain was reduced from 50 BTC to 25 BTC.

This event marked a significant milestone in the Bitcoin ecosystem and signaled the beginning of a new era in the cryptocurrency's monetary policy. Since then, there have been two additional Bitcoin halvings, one in 2016 and another in 2020, with the mining reward reduced to 12.5 BTC and 6.25 BTC, respectively.

The next Bitcoin halving is expected to occur in 2024, at which point the mining reward will be further reduced to 3.125 BTC per block.

Bitcoin Halving Chart

A Bitcoin halving chart is a graphical representation that shows the historical and projected future dates of Bitcoin halvings, as well as the corresponding changes in the Bitcoin mining reward. 

“The chart typically includes a timeline of Bitcoin's history, starting with its launch in 2009, and marks the dates of each halving event as vertical lines. The halving events are also accompanied by a reduction in the Bitcoin mining reward, which is depicted on the chart as a downward sloping curve.”

Bitcoin Halving Chart

Bitcoin halving charts are used by investors, traders, and analysts to track the impact of halvings on the Bitcoin price and market sentiment. These charts can help in predicting potential price movements based on historical trends, as well as analyzing the impact of halvings on the overall supply and demand dynamics of Bitcoin.

Several online platforms offer Bitcoin halving charts that are frequently updated with the latest data and projections. These charts typically include additional features such as zooming, filtering, and customization options to allow users to analyze the data in more detail.

Overall, Bitcoin halving charts are a useful tool for anyone interested in understanding the impact of halving events on the Bitcoin ecosystem.

How does Bitcoin Halving work?

Bitcoin halving is a pre-programmed adjustment to the Bitcoin blockchain protocol that occurs approximately every four years. The process is designed to reduce the amount of new Bitcoin created with each block added to the blockchain by 50%.

The halving is a critical aspect of Bitcoin's monetary policy and serves to control the rate of inflation in the Bitcoin ecosystem.

Bitcoin halving works by reducing the mining rewards that Bitcoin miners receive for adding new blocks to the blockchain. When Bitcoin was first launched in 2009, the mining reward was set at 50 BTC per block.

After the first halving in 2012, the mining reward was reduced to 25 BTC per block. The second halving in 2016 further reduced the reward to 12.5 BTC per block, and the most recent halving in 2020 brought the reward down to 6.25 BTC per block.

The process of Bitcoin halving is automatic and built into the Bitcoin protocol, with a predetermined schedule that reduces the mining reward by half after every 210,000 blocks are added to the blockchain.

This cycle continues until the total supply of Bitcoin reaches 21 million, which is the maximum limit set by the protocol. Once the limit is reached, no new Bitcoins will be created, and miners will rely solely on transaction fees for their rewards.

The impact of Bitcoin halving on the mining industry and overall market sentiment can be significant. As the mining reward is reduced, it becomes more difficult and expensive for miners to earn a profit, leading to a potential decrease in the supply of new Bitcoins and an increase in their price.

Additionally, the halving can create uncertainty and volatility in the Bitcoin market, as investors and traders adjust their strategies based on the changing supply and demand dynamics.

Will BTC price go up or down after halving?

Predicting the exact direction of Bitcoin price movement after halving is difficult, as it is subject to various factors such as market sentiment, demand and supply, and overall adoption of the cryptocurrency. However, based on historical trends, many analysts and experts believe that Bitcoin price tends to go up after halving.

One reason for this belief is the reduction in the rate of new Bitcoin supply. With each halving event, the number of new Bitcoins entering the market decreases, creating a supply shock that can drive the price up due to increased scarcity.

Additionally, the halving can lead to a decrease in the profitability of Bitcoin mining, which could result in some miners leaving the network, reducing the overall supply of new Bitcoin even further.

However, it is also important to note that the impact of halving on Bitcoin price may not be immediate, and the price may experience fluctuations and volatility in the short term.

It is also worth considering that Bitcoin's price is influenced by a range of other factors beyond halving, such as macroeconomic conditions, regulatory developments, and investor sentiment.

Also Read - Is Bitcoin Dead? - Complete Analysis for BTC Investors

Impact of Halving on Bitcoin Miners

Bitcoin halving has a significant impact on Bitcoin miners, as it reduces the reward they receive for adding new blocks to the blockchain. With each halving event, the mining reward is reduced by half, which means that miners must work harder and invest more resources to earn the same amount of Bitcoin.

The reduction in mining rewards can lead to a decrease in profitability for miners, making it more challenging for them to cover their costs and remain profitable. This can lead to smaller miners being pushed out of the market, leaving only the most efficient and well-capitalized miners in the game.

However, there are some ways that miners can adapt to the changing market conditions after halving. For example, miners can lower their operating costs by upgrading their equipment to more efficient models, moving to locations with lower energy costs, or forming mining pools to share resources and reduce competition.

Additionally, as the price of Bitcoin tends to increase after halving, miners may be able to offset the reduced mining rewards by earning more from transaction fees and appreciation in the value of their Bitcoin holdings.

Overall, the impact of halving on Bitcoin miners depends on several factors, such as the cost of mining, the price of Bitcoin, and the level of competition in the market.

While the reduction in mining rewards can create challenges for miners, it is also an essential aspect of Bitcoin's monetary policy, which ensures the controlled release of new Bitcoin into the market and the maintenance of its value over time.

The Bottom Line

In conclusion, Bitcoin halving is a critical aspect of the Bitcoin protocol that serves to control the rate of inflation in the Bitcoin ecosystem.

The process of halving reduces the mining rewards that Bitcoin miners receive for adding new blocks to the blockchain by 50% every four years, until the maximum supply of 21 million Bitcoins is reached.

While the impact of halving on the Bitcoin market and miners can be significant, it is also an essential aspect of Bitcoin's monetary policy, ensuring the controlled release of new Bitcoin into the market and the maintenance of its value over time.

As Bitcoin continues to gain wider adoption and recognition as a legitimate asset, the impact of halving events is likely to become more pronounced, making it an important consideration for investors, traders, and Bitcoin enthusiasts alike.

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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

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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:

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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


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    • 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

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  • 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

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Beyond Token Metrics: Other Free Resources Worth Knowing

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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:

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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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What Makes a Crypto API the “Best”?

The best cryptocurrency API isn’t just about raw data. It’s about empowering your application to perform faster, smarter, and more reliably. A truly great crypto API balances:

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Before selecting a crypto API, evaluate these criteria:

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Comparing Leading Crypto APIs: Strengths & Weaknesses

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  • Glassnode


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  • Alchemy & Infura


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📌 For production apps: always monitor crypto API latency and uptime with tools like Datadog or Grafana.

Beyond Token Metrics: Other Useful Resources

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📌 Strategy tip: many developers combine multiple APIs—Token Metrics for signals + CoinGecko for breadth + DefiLlama for yields—to cover all angles.

Frequently Asked Questions About Crypto APIs

Which crypto API is best overall?
If you want real-time data plus AI-powered insights, crypto api is used. Token Metrics Api is the strongest all-in-one option. For niche use cases, CoinGecko is good for prices, Glassnode for on-chain analytics.

Is Token Metrics API free?
Yes, the free tier is perfect for prototyping. Paid plans unlock faster throughput, more history, and advanced endpoints.

How is Token Metrics different from CoinGecko?
CoinGecko tracks prices broadly. Token Metrics layers AI signals, indices, and predictive analytics for trading and research.

Can I build a trading bot with Token Metrics API?
Yes—many developers use the low-latency price feeds and predictive signals to power automated strategies.

Scaling With Paid Plans and X.402

As your project grows, Token Metrics offers flexible upgrade paths:

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

  • Premium Plan ($1,999.99/year) – 100,000 calls/month, all endpoints including AI Agent & Reports, 3 years of historical data, and 6 WebSockets.

With up to 35% discounts when paying in TMAI tokens, scaling is cost-efficient.

📌 Why X.402 matters: Instead of locking into an annual plan, you can scale gradually with pay-per-call pricing—perfect for startups and experimental apps.

Build Smarter, Scale Easier

The best crypto API doesn’t just serve data—it helps your app think, act, and adapt. With Token Metrics, you start free, learn fast, and scale seamlessly. Combine it with other specialized APIs when needed, and you’ll have a development stack that’s both powerful and future-proof.

👉 Grab Your Free Token Metrics API Key and Start Building

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In crypto, milliseconds can make or break a trade. Whether you’re building a high-frequency bot, a risk management tool, or a market dashboard, slow crypto APIs lead to:

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📌 Example: In a Bitcoin price swing, even a 500 ms delay can translate to thousands in lost value for trading bots. That’s why developers emphasize low latency when choosing best Crypto APIs.

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📌 Tip for builders: Always benchmark an API in real market conditions (during volatility) to see if “fast” performance holds up under stress.

Comparing Fast Crypto APIs: Strengths & Limitations

  • CoinGecko / CoinMarketCap


    • Strengths: Broad token coverage, good for price tickers.

    • Limitations: Refresh cycles can lag; not ideal for bots or real-time dashboards.

  • CryptoCompare


    • Strengths: Strong historical data for research.

    • Limitations: Not optimized for ultra-fast live feeds.

  • Glassnode


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    • Limitations: Focused on analytics, not real-time trading data.

  • Token Metrics API


    • Strengths: Sub-second updates, fast bull/bear signals, predictive AI, and on-chain metrics.

    • Limitations: Free tier includes rate limits (higher throughput available via X.402 or paid plans).

Token Metrics API: Fast + Intelligent

What sets Token Metrics API apart is that it’s not just fast data—it’s fast intelligence:

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  • AI Trading Signals – Bull/bear predictions delivered instantly.

  • On-Chain Metrics – Track wallet flows, liquidity, and token behavior in near real time.

  • Scalable Performance – Built to withstand institutional-grade usage during volatility.

📌 Instead of just reacting to prices, developers can anticipate market shifts with AI-driven signals.

Use Cases: From Trading Bots to AI Agents

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  • DeFi Dashboards – Display liquidity flows and token activity in real time.

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Best Practices for Building With Fast APIs

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  2. Benchmark During Volatility – Test APIs when the market is busiest.

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  5. Failover Strategy – Have a backup API (e.g., CoinGecko) if primary data slows.

Beyond Token Metrics: Other Tools to Explore

Token Metrics API excels at fast data + signals, but developers often combine it with other tools for a full-stack setup:

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  • Dune Analytics – Query blockchain data in real time with SQL.

  • TradingView Webhooks – Add instant chart-based triggers for front ends.

  • Kaiko / Amberdata – Enterprise-grade APIs for institutional price feeds.

📌 Pro tip: Use Token Metrics for predictive signals, and pair it with TradingView or DefiLlama for visualization and DeFi-specific data.

How to Start Using the Token Metrics Fast API

  1. Sign Up Free – Create a Token Metrics account.

  2. Generate Your API Key – Instantly available in your dashboard.

  3. Choose WebSockets or REST – Based on your use case.

  4. Start Building – Bots, dashboards, or risk models with sub-second data.

👉 Get Your Free Token Metrics API Key

Scaling Fast With Paid Plans & X.402

When free limits aren’t enough, Token Metrics offers:

  • Pay-Per-Call (X.402) – From $0.017 per call, unlimited usage, all endpoints, and 3 months of history.

  • 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.

📌 Why X.402 matters: You can start scaling instantly with no upfront cost—just pay per call as you grow.

Build With the Fastest Insights in Crypto

In crypto, speed without intelligence is noise. With Token Metrics Fast Crypto API, you get sub-second price data + AI-driven insights, giving your trading bots, dashboards, and AI agents the real-time edge they need.

👉 Start Free With Token Metrics API

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