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Best Bitcoin APIs – Types, Use Cases and List of Top APIs

Learn everything about Bitcoin APIs, their future, use cases and more in this descriptive guide.
Token Metrics Team
8 minutes
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In the world of cryptocurrency, Bitcoin has taken the lead as the most popular and valuable digital currency. But what makes it truly revolutionary is the technology behind it - the blockchain. This powerful technology has transformed how Bitcoin transactions are made, paving the way for new possibilities and innovations in cryptocurrency.

With the help of various APIs, developers can now create customized applications that can interact with different cryptocurrency networks, including Bitcoin, enabling faster, more secure, and more efficient transactions.

In this article, we'll explore how these Bitcoin APIs are changing the game for cryptocurrency enthusiasts and investors and what the future holds for this groundbreaking technology. So sit back, relax, and dive deep into the world of APIs.

The Need for Bitcoin APIs

As the popularity of Bitcoin and other cryptocurrencies has grown, so has the need for a more efficient and secure way to conduct transactions. This is where cryptocurrency APIs come in.

These APIs enable developers to create customized applications that interact with various cryptocurrency networks, such as Bitcoin.

This makes it easier for businesses and individuals to send and receive payments, track transactions, and manage their digital wallets.

With Bitcoin APIs, developers can create their own infrastructure for interacting with the Bitcoin network, which could be time-consuming and costly.

Benefits of Using Bitcoin APIs

There are several benefits to using Bitcoin APIs. First and foremost, they enable faster and more efficient transactions. With these APIs, payments can be instantly processed without intermediaries such as banks or payment processors. This reduces transaction fees and speeds up the payment process, making it more convenient for businesses and consumers.

Another benefit of APIs is that they provide enhanced security. These APIs use encryption techniques to ensure that transactions are secure and cannot be tampered with. This reduces the risk of fraud and hacking, a major concern in the cryptocurrency industry.

Bitcoin APIs provide greater transparency and accountability. Since all transactions are recorded on the blockchain, they can be easily tracked and verified. This makes it easier to identify fraudulent activity and ensure that transactions are conducted fairly and transparently.

Understanding Bitcoin API Integration

Bitcoin API integration involves connecting a custom application to various cryptocurrency networks using their respective APIs. This process can be complex and requires a good understanding of programming languages like Python, Ruby, and Java.

Several APIs are available for developers to use, each with its own features and capabilities. Some of the most popular APIs include Blockchain.info, Coinbase, and BitPay. Developers can choose the API that best suits their needs based on security, functionality, and ease of use.

Once the API is integrated into the application, developers can create customized functions interacting with the chosen cryptocurrency network - in this case, Bitcoin. These functions include sending and receiving payments, checking account balances, and tracking transactions.

Types of Bitcoin APIs

There are several types of APIs, each with its own unique features and capabilities. The most common types of Bitcoin APIs include:

  1. Payment APIs enable businesses to accept cryptocurrencies through their websites or mobile applications. Some popular payment APIs include BitPay and Coinbase.
  2. Blockchain APIs provide developers access to blockchain data, enabling them to track transactions and analyze data. Some popular blockchain APIs include Blockchain.info and BlockCypher.
  3. Wallet APIs enable developers to create and manage cryptocurrency wallets, which can be used for sending and receiving payments. Some popular wallet APIs include Blockchain.info and Coinbase.
  4. Exchange APIs enable developers to create custom trading platforms that can be used for buying and selling cryptocurrencies. Some popular exchange APIs include Bitstamp, Kraken, and Binance.

Best Bitcoin APIs:

This is a list of the best Bitcoin APIs that developers, traders, and crypto entrepreneurs can use to build apps that need crypto data.

Token Metrics API: Token Metrics Crypto API offers a complete data solution, delivering real-time and historical market information for cryptocurrencies. The API is designed to help developers and businesses quickly access and analyze the data they need to make informed decisions. It works as a robust data provider with over 14 tested, actionable data endpoints that can empower traders, bots, and platforms. Its high level of accuracy and reliability of data eliminates the need for guesswork. It provides data on exchange rates for various cryptocurrencies. The API can retrieve information for several leading cryptocurrencies, such as Bitcoin, Dogecoin, Litecoin, Ethereum, Binance Coin, and Bitcoin Cash.

Coinbase API: Coinbase is one of the most popular and reliable cryptocurrency exchanges in the world. The Coinbase API allows developers to create applications that interact with Coinbase's trading platform, enabling users to buy, sell, and store cryptocurrencies securely.

Bitfinex API: Bitfinex is another prominent cryptocurrency exchange that offers an API for developers to build trading bots, order management systems, and other applications. The Bitfinex API provides access to real-time market data, order book information, and other exchange features.

Binance API: Binance is a leading cryptocurrency exchange that provides an API for developers to build trading applications, payment gateways, and other cryptocurrency-related services. The Binance API offers access to real-time market data, trading pairs, order book information, and other exchange features.

Kraken API: Kraken is a popular cryptocurrency exchange that offers an API for developers to build trading bots, automated trading systems, and other applications. The Kraken API provides access to real-time market data, order book information, and other exchange features.

BlockCypher API: BlockCypher is a blockchain infrastructure provider that offers an API for developers to build blockchain-related applications. The BlockCypher API supports multiple cryptocurrencies and provides access to blockchain data, such as transaction information, block information, and other features.

CoinMarketCap API: CoinMarketCap is a leading cryptocurrency market data provider that offers an API for developers to build applications that use market data, such as price, market capitalization, trading volume, and other information.

Chainlink API: Chainlink is a decentralized oracle network that provides an API for developers to build smart contracts that can access off-chain data, such as real-world events, market data, and other information. The Chainlink API provides a secure and reliable way to access off-chain data for smart contracts.

The Future of BTC APIs

The future of BTC APIs looks bright, with new innovations and use cases emerging every day. As the popularity of cryptocurrencies continues to grow, we can expect to see more businesses and individuals adopting cryptocurrency APIs for their payment and transaction needs. The increasing demand for seamless integration of cryptocurrencies into various applications and platforms will drive the development of more advanced and user-friendly APIs.

One potential area of growth for cryptocurrency APIs is in the field of decentralized finance (DeFi). DeFi refers to financial applications operating on a blockchain designed to be transparent and decentralized. Cryptocurrency APIs could be instrumental in enabling DeFi applications such as decentralized exchanges, lending platforms, and insurance products.

Another area of growth for cryptocurrency APIs is in the field of micropayments. Cryptocurrency APIs enable instant and low-cost transactions, making them an ideal solution for micropayments involving small amounts of money. This could open up new possibilities for online content creators, publishers, and even IoT (Internet of Things) devices that require microtransactions.

Furthermore, as blockchain technology becomes more widely adopted, cryptocurrency APIs can be used to integrate digital assets into various sectors, including supply chain management, real estate, and gaming. The use of APIs will simplify the process of integrating blockchain and cryptocurrencies into existing systems, making it more accessible for businesses and developers.

As regulatory frameworks around cryptocurrencies continue to evolve, the importance of secure and compliant APIs will also grow. Cryptocurrency APIs will need to adapt to the changing regulatory landscape and ensure that they provide secure and compliant solutions for businesses and individuals.

In conclusion, the future of cryptocurrency APIs is promising, with new innovations and use cases emerging regularly. As the adoption of cryptocurrencies and blockchain technology continues to grow, the importance of APIs will only increase. Developers can expect to see even more innovative features, endpoints, and functionalities in the years to come, further simplifying the integration of cryptocurrencies into various applications and platforms.

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Token Metrics Team
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Recent Posts

Research

Top Crypto Index for Hands-Off Portfolios (2025)

Token Metrics Team
4

If you want broad exposure to cryptocurrencies without constant chart monitoring, a top crypto index offers a streamlined way to participate in the market. Token Metrics provides innovative tools to help you understand and access such indices efficiently.

Opening Hook

If you’re seeking an uncomplicated, rules-driven approach to crypto investing that adapts to market conditions, a top crypto index might be worth exploring. These indexes automate the process of capturing upside potential while managing risk during downturns, making crypto investing more accessible for a variety of investor profiles.

What is a Crypto Index?

A crypto index is a systematic, rules-based collection of digital assets that reflects a specific universe—such as the top 100 cryptocurrencies by market capitalization. It relies on transparent methodologies and scheduled rebalancing to ensure that the composition remains aligned with market dynamics. These indexes aim to provide broad exposure while reducing the need for individual asset management.

How Top Crypto Indexes Function in 2025

Many modern crypto indexes incorporate regime switching mechanisms: during bullish periods, they hold top assets; during bear markets, they shift to stablecoins to mitigate losses. Weekly rebalancing updates the constituents based on current market rankings, and transparency tools such as strategy descriptions, gauges, and transaction logs allow users to verify holdings and changes in real-time.

Benefits of Using a Crypto Index Over DIY Approaches

  • Time efficiency: Automates rebalancing and regime switching, saving manual effort.
  • Lower slippage: Executes large baskets with minimal impact on prices.
  • Consistency: Ensures regular rebalancing and discipline during volatile periods.
  • Transparency: Clear logs and dashboards allow for full accountability.
  • Speed: Simplified onboarding with quick allocation processes.

Getting Early Access to Top Crypto Indexes

To gain early exposure, follow these steps:

  1. Open the Token Metrics Indices hub.
  2. Select TM Global 100 and view its details.
  3. Tap “Join Waitlist” and enter your email (optionally connect your wallet).
  4. Review strategy criteria, holdings, and rebalancing rules.
  5. Once launched, connect your wallet, review estimated fees, and confirm your allocation.
  6. Funds appear in your index portfolio, enabling easy tracking and management.

Is This Index Suitable for You?

Consider your investment style:

  • Hands-Off Allocator: Ideal if you prefer broad market exposure with minimal management.
  • Active Trader: Use as a core component, complemented by higher-beta bets.
  • New to Crypto: Great for beginners seeking transparent exposure through simplified flows.
  • DIY Enthusiast: Replace complex basket-building with a rules-based index.
  • Self-Custody User: Benefit from integrated self-custodial wallets with clear transaction records.

FAQs

What is a top crypto index?

It is a rules-based basket that tracks a defined universe of digital assets—such as the top 100 by market cap—using transparent methodology and scheduled rebalancing.

How often does the index rebalance?

The index rebalances weekly, with regime switches occurring when market signals change, ensuring adaptability during different market cycles.

What prompts the move to stablecoins?

A proprietary market-regime signal triggers the transition, exiting token positions to stablecoins during bearish periods and re-entering when signals turn bullish.

Can I fund with USDC or fiat?

At launch, the embedded wallet will support supported funding options based on your chain or wallet. USDC payout is available upon sale; further options may follow.

Is the wallet custodial?

No. It’s an embedded, self-custodial smart wallet—giving you full control over your private keys and funds.

How are fees shown?

Estimated gas, platform fee, slippage, and minimum expected value are displayed before you confirm the transaction, providing full transparency.

How do I join the waitlist?

Visit the Token Metrics Indices hub or the TM Global 100 page, tap “Join Waitlist,” and follow the instructions to register your interest and prepare for launch.

Disclaimer

Crypto assets are highly volatile and can result in significant losses. Past performance does not guarantee future results. This content is for research and educational purposes only and not financial advice.

Research

Top 100 Crypto Index: What It Is, How It’s Built, and Who It’s For (2025)

Token Metrics Team
6

If you’ve tried to “own the market” in crypto, you’ve felt the pain: chasing listings, juggling wallets, and missing rebalances while prices move. A top 100 crypto index aims to fix that—giving you broad exposure when the market is bullish and standing down when it’s not. Token Metrics Global 100 is our rules-based version of that idea: it holds the top-100 by market cap in bull regimes, moves to stablecoins in bear regimes, and rebalances weekly. You can see every rule, every holding, and every rebalance—then buy the index in ~90 seconds with an embedded on-chain flow.‍ → Join the waitlist to be first to trade TM Global 100.

Why a “Top 100 Crypto Index” Matters in October 2025

The market keeps cycling. New leaders emerge quickly. A “set-and-forget” bag can fall behind, while manual baskets burn hours and rack up slippage. Search interest for crypto index, regime switching, and weekly rebalancing keeps growing because people want a simple, disciplined core that adapts.

A top 100 crypto index is a rules-based basket that tracks the largest 100 crypto assets by market cap, typically rebalanced on a schedule to keep weights aligned with the market. In 2025, that alone isn’t enough. You also need discipline for downtrends. Token Metrics adds a regime-switching layer to move to stablecoins during bear phases—so you can participate in upside and sit out major drawdowns with a consistent, rules-based approach.

How the TM Global 100 Index Works (Plain English)

Regime switching:

  • Bullish: The index holds the top-100 assets by market cap.
  • Bearish: The index exits positions and moves fully to stablecoins until a bullish re-entry signal.

Weekly rebalancing:

  • Every week, the composition and weights update to reflect current market-cap rankings. No manual list maintenance. No “oops, I missed the new entrant.”

Transparency:

  • Strategy modal explains selection criteria and regime logic.
  • Gauge → Treemap → Transactions Log shows the signal, the real-time holdings view, and every rebalance/regime switch.

You’ll always see what you own, how it changed, and why.

What you’ll see on launch

  • Price tile, 100 tokens, “rebalances weekly,” and one-click Buy.
  • Gauge to visualize the market signal.
  • Holdings Treemap and Table to inspect exposure.
  • Transactions Log to review every rebalance.
  • See the strategy and rules.

Benefits at a Glance (Why This Beats DIY)

  • Time saved: Skip hours of asset chasing and manual spreadsheets; rebalances happen automatically.
  • Lower execution drag: One index buy can reduce slippage vs. piecing together 20–50 small orders across chains.
  • Never miss a rebalance: Weekly updates and on/off risk switches run by rules, not vibes.
  • Rules-based switching: A clear trigger defines when to sit in stablecoins—no second-guessing.
  • Full visibility: The gauge, treemap, table, and log make the process auditable at a glance.
  • Operational simplicity: An embedded wallet, 90-second buy flow, fee and slippage estimates upfront.

Step-by-Step: How to Get Early Access (Waitlist)

  1. Open the Indices hub and tap TM Global 100.
  2. Join the waitlist with your email—this flags you for day-one access.
  3. (Optional) Connect your wallet so you’re ready for the embedded checkout.
  4. Launch day: You’ll get an email and in-app prompt when trading opens.
  5. Buy in ~90 seconds: Connect, review fees/slippage/estimated value, confirm.
  6. Track positions: See your holdings, rebalances, and P&L in My Indices.
  7. Repeat or add funds: Rebalancing is handled weekly; you can add or sell anytime.

Join the waitlist to be first to trade TM Global 100.

Decision Guide: Is This Right for You?

  • Hands-Off Allocator: Want broad market exposure without managing coin lists? Consider it.
  • Active Trader: Want a disciplined core you don’t have to watch while you chase setups? Consider it.
  • TM Member (Research-Heavy): Prefer to keep your picks, but want a market base layer? Consider it.
  • New to Crypto: Need transparency + clear rules? Consider it, with a small test first.
  • Hyper-Niche Maxi: If you only want 1–2 coins, an index may be too broad.
  • Short-Term Scalper: You may still benefit from a core allocation, but active trading stays your main driver.
  • Tax-/Jurisdiction-Sensitive Users: Check your local rules before investing.
  • Institutional Explorers: Looking for transparent rules, logs, and weekly governance? Worth evaluating.

FAQs

What is a top 100 crypto index?

A rules-based basket tracking the largest 100 assets by market cap, typically with scheduled rebalancing. Token Metrics Global 100 adds regime switching to stablecoins during bear markets.

How often does the index rebalance?

Weekly. In addition, if the market signal flips, the entire portfolio may switch between tokens ↔ stablecoins outside the weekly cycle.

What triggers the move to stablecoins?

A proprietary market-regime signal. When it’s bearish, the index exits tokens to stablecoins and waits for a bullish re-entry signal.

Can I fund with USDC or fiat?

On launch, funding options surface based on your connected wallet and supported chains. USDC payouts are supported when selling.

Is the wallet custodial?

The embedded wallet is self-custodial—you control your funds.

How are fees shown?

Before you confirm a buy, you’ll see estimated gas, platform fee, max slippage, and minimum expected value—all up front.

How do I join the waitlist?

Go to the TM Global 100 page or the Indices hub and click Join Waitlist. You’ll get notified at launch with simple steps to buy.

Security, Risk & Transparency

  • Self-custody: Embedded, self-custodial smart wallet; you control keys.
  • 2FA & device checks: Standard authentication best practices.
  • Fee/slippage transparency: All estimates are shown pre-trade; you confirm with eyes open.
  • On-chain visibility: Holdings, rebalances, and regime switches appear in the Transactions Log.
  • Rule constraints: Signals can be wrong; spreads and volatility can impact outcomes.
  • Regional considerations: Availability and tax treatment vary by jurisdiction.

Crypto is volatile and can lose value. Past performance is not indicative of future results. This article is for research/education, not financial advice.

A top 100 crypto index is the simplest path to broad market exposure—if it’s built with discipline. Token Metrics Global 100 combines transparent rules, weekly rebalancing, and a regime switch to stablecoins, so you can focus on your strategy while the core maintains itself. Now’s the time to claim early access.‍ → Join the waitlist to be first to trade TM Global 100.

Research

The Case for Rules-Based Crypto Indexing After a Volatile Cycle (2025)

Token Metrics Team
5

After a whipsaw year, many investors are asking how to stay exposed to crypto’s upside without riding every drawdown. Rules-based crypto indexing is a simple, disciplined answer: follow a transparent set of rules rather than gut feelings. The Token Metrics Global 100 puts this into practice—own the top-100 in bullish regimes, rotate to stablecoins in bearish regimes, and rebalance weekly. On top of that, you can see what you own in real time with a Holdings Treemap, Table, and Transactions Log. Less second-guessing, more process.

Join the waitlist to be first to trade TM Global 100.

Why Rules-Based Crypto Indexing Matters in October 2025

In a volatile cycle, emotion creeps in: chasing winners late, cutting losers early, or missing re-entry after fear. Rules-based crypto indexing applies consistent criteria—constituent selection, weighting, and rebalancing—so you don’t have to improvise in stress.

For readers comparing crypto index options, think of it as a codified playbook. A rules-based crypto index is a methodology-driven basket that follows predefined signals (e.g., market regime) and maintenance schedules (e.g., weekly rebalancing), aiming for repeatable behavior across cycles.

Rules-based crypto indexing is a systematic approach that tracks a defined universe (e.g., top-100 by market cap) and maintains it on a fixed cadence, with explicit rules for when to hold tokens and when to de-risk into stablecoins.

How the TM Global 100 Index Works

  • Regime switching: When the market signal is bullish, the index holds the top 100 assets by market cap; when bearish, it moves to stablecoins until conditions improve.
  • Weekly rebalancing: Constituents and weights update weekly to reflect the latest market-cap rankings—capturing leadership changes without manual effort.
  • Transparency: A Strategy modal and Gauge → Treemap → Transactions Log show the signal, current mix, and every change recorded.

What you’ll see on launch: Price tile, “tokens: 100,” “rebalances weekly,” and a fast ~90-second Buy flow with fee/slippage previews.

See the strategy and rules. (TM Global 100 strategy)

Benefits at a Glance (Why This Beats DIY)

  • Time & operational drag: Skip juggling 20–100 tickers, wallets, and venues.
  • Execution quality: A single indexed flow can help reduce piecemeal slippage and duplicated fees.
  • No missed rotations: Weekly rebalancing and regime switching reduce the cost of being late to trends—or late to de-risk.
  • Always-on visibility: Holdings treemap + table + transactions log remove the black box.
  • Behavioral edge: Clear rules can limit panic sells and FOMO buys during turbulence.
  • Portfolio role: A disciplined core that you can complement with selective satellites.

Step-by-Step: How to Get Early Access (Waitlist)

  1. Open the Token Metrics Indices hub and select TM Global 100.
  2. Click Join Waitlist and enter your email for launch-day access.
  3. (Optional) Connect your wallet so you’re ready to fund.
  4. On launch, review the Gauge → Treemap → Transactions to confirm the current mix.
  5. Tap Buy Index, review fees/slippage, and confirm (about 90 seconds end-to-end).
  6. Track your position and every weekly rebalance in My Indices and the Transactions Log.

Join the waitlist to be first to trade TM Global 100.

Decision Guide: Is This Right for You?

  • Hands-Off Allocator: Want broad market beta with an explicit de-risking rule. Consider if you resist micromanaging.
  • Active Trader: Prefer a disciplined core that moves to stablecoins in bears while you express edge with satellites.
  • Long-Term Believer: Seek systematic participation in leadership changes via weekly rebalancing.
  • Transparency-First User: Require auditable holdings and a transactions log—no black boxes.
  • Tax/Compliance Conscious: Prefer consolidated rebalances over many ad hoc trades.
  • TM Research Follower: Want to pair Token Metrics insights with a rules-based execution layer.
  • New to Crypto Baskets: Want to avoid building and maintaining a DIY index.

FAQs

What is a rules-based crypto index?

A methodology-driven basket that follows predefined rules for asset selection, weighting, and maintenance. In TM Global 100, that means top-100 exposure in bullish regimes and stablecoins in bearish regimes, with weekly rebalancing and full transparency.

How often does the index rebalance?

Weekly. This cadence refreshes constituents and weights to align with current market-cap rankings; separate regime switches can move between tokens and stablecoins.

What triggers the move to stablecoins?

A documented market signal. When it turns bearish, the index exits to stablecoins; when bullish resumes, it re-enters the top-100 basket.

Can I fund with USDC or fiat?

Funding options will surface based on your connected wallet and supported rails. USDC settlement on sells is supported; fiat on-ramps may be added over time.

Is the wallet custodial?

No. The embedded wallet is self-custodial—you control your keys and assets.

How are fees shown?

Before confirming a trade, you’ll see estimated gas, platform fee, max slippage, and min expected value—so you can proceed with clarity.

How do I join the waitlist?

Go to the Indices hub, open TM Global 100, and enter your email. You’ll receive a launch-day link to buy.

Security, Risk & Transparency

  • Self-custody by default: You control your wallet.
  • Defense-in-depth: 2FA/account security features and explicit transaction prompts.
  • Clear economics: Fee and slippage previews before you confirm.
  • Auditability: Holdings treemap + table + transactions log document every change.
  • Methodology limits: Regime logic may not capture every market nuance; weekly cadence can differ from intraday moves.
  • Regional availability: On-ramps and features can vary by jurisdiction.

Crypto is volatile and can lose value. Past performance is not indicative of future results. This article is for research/education, not financial advice.

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