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12 Best Cryptocurrency APIs - Real-time Prices, On-Chain Crypto Data, AI Crypto Trading Signals

Use Token Metrics crypto API to get the best, most accurate real-time prices, on-chain data, and AI crypto trading signals from one powerful crypto API. Best crypto API built for speed and accuracy to help you trade smarter instantly.
Token Metrics Team
8 minutes
MIN

Cryptocurrencies have revolutionized the way people make payments and investments. With the rise of digital assets, Cryptocurrency APIs have become essential tools for developers to build applications that can interact with the blockchain. An API allows you to connect to a third-party service and retrieve or submit data in a standardized format to a website or application.

Token Metrics Crypto API is the best cryptocurrency API currently available. Use Token Metrics crypto API for real-time prices, on-chain data, and AI crypto trading signals from one powerful crypto API. This crypto API is built for speed and accuracy to help you trade smarter instantly.We will look into the features and advantages, discuss the different types of APIs, and learn how to use them to create powerful applications. We will also cover the pros and cons of using these APIs, and provide examples of how they can be used. Last but not least, we will discuss the pricing of these APIs and provide some best practices for using them.

Introduction to Crypto APIs

Cryptocurrency APIs are Application Programming Interfaces (APIs) that allow developers to access and integrate cryptocurrency data into their applications. APIs provide access to a variety of data such as prices, transactions, and blockchains. With the help of these APIs, developers can create powerful applications that can interact with the crypto world.

Benefits of Using Crypto APIs

The most obvious benefit of using cryptocurrency APIs is that they provide access to a wealth of data that can be used to build powerful applications. The APIs provide access to real-time data. This data can be used to create applications that can monitor the market, track transactions, and even make predictions about the future of the crypto world.

Another benefit of using cryptocurrency APIs is that they are easy to use and provide a consistent and reliable source of data. The APIs are designed to be user friendly, so developers don’t have to worry about getting bogged down in technical details. The APIs also provide reliable, up-to-date data that can be used to create accurate and reliable applications.

Cryptocurrency APIs can also save developers a lot of time and effort. Instead of having to manually gather data, developers can simply use the APIs and get the data they need. This can save developers a lot of time and effort, allowing them to focus on other aspects of their applications.

Types of Cryptocurrency APIs

There are a variety of cryptocurrency APIs available, each with its own set of features and advantages. The most common types of APIs are:

  • Price APIs provide access to real-time price data for a variety of cryptocurrencies. These APIs can be used to monitor the market and make predictions about the future of the crypto world.
  • Transaction APIs provide access to data about transactions that have occurred in the blockchain. This data can be used to track transactions and determine the current state of the blockchain.
  • Blockchain APIs provide access to the blockchain itself. These APIs are used to interact directly with the blockchain, allowing developers to create applications that can interact with the blockchain.

List of 12 Best Cryptocurrency APIs You Can Count On

Now that we’ve discussed the benefits and types of crypto APIs, let’s look at the best APIs to get crypto data today.

1. Token Metrics: Token Metrics crypto API offers  real-time prices, on-chain data, and AI trading signals from one powerful crypto API.  It is the best crypto API built for speed and accuracy to help you trade smarter instantly. Token Metrics is an AI driven platform which enables its users research thousands of cryptocurrencies in an automated way, without manually going through coins individually. Use Token Metrics crypto API for fast and most accurate crypto data.

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.

‍Price: Free

2. CoinMarketCap: CoinMarketCap offers one of the most popular APIs for retrieving real-time cryptocurrency market data, including prices, volume, and market capitalization for over 8,000 coins and tokens. It also offers endpoints for historical data and global averages.

‍Price Range: $0-$700 a month

3. CoinGecko: CoinGecko has an API that provides a comprehensive set of cryptocurrency data, including market data, developer activity, and community metrics for more than 10,000 coins and tokens. API is both paid and free, depending on your needs.

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Price Range: Starting from $129 per month

4. CryptoCompare: CryptoCompare offers endpoints for news articles, social media activity, and mining data. It strives to find the best places to store, trade and mine cryptocurrencies.

Price Range: Free

5. BitMEX: BitMEX is a cryptocurrency derivatives exchange that provides access to real-time prices and historical data. Their API provides instant access to a variety of market data such as trading volumes and market caps.

Price & Plans: Custom 

6. CoinDesk: CoinDesk is a platform for media, events, data and indices for the cryptocurrency market. CoinDesk Indices is a product of CoinDesk that offers access to cryptocurrency data with ease.

‍Price: Free

7. Bitstamp: Bitstamp is a cryptocurrency exchange that provides access to real-time prices and historical data. It provides premium access to crypto trading for both individuals and institutions through high liquidity, reliable order execution and constant uptime. 

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Price: 0.50% for those with under $10,000 in 30-day trading volume

8. CoinMarketCal: CoinMarketCal is a database of upcoming events related to cryptocurrencies, allowing you to track things like unlocks, giveaways, and more. Their API can be used to track your favourite coins.

Price: Free

9. Poloniex: Poloniex is a cryptocurrency exchange that provides access to real-time prices and historical data. The API also provides access to a variety of market data such as trading volumes and market caps.

Price: The Maker and Taker fee rates for trading USDT-collateralized perpetual contracts on Poloniex are 0.01% and 0.04% respectively, and the changes apply to all customers regardless of their trade volume.

10. Binance: Binance is one of the largest cryptocurrency exchanges and provides access to a variety of data such as prices, transactions, and blockchains. The API also allows developers to interact with the Binance platform, allowing them to buy, sell, and store cryptocurrencies. 

‍Price: Free

 11. Kraken: Kraken is a cryptocurrency exchange and also provides access to crypto data such as prices, transactions, and blockchains. Like Binance, their API also allows you to interact with Kraken through code.

‍Price: 0.2-0.3% of the 30-day trade volume

12. CCXT: CCXT is a library for cryptocurrency trading and e-commerce with support for many bitcoin/ether/altcoin exchange markets and merchant APIs.

Price: $0-$29

Note: The prices are subject to change or may have already changed.

How to Choose the Best Crypto API

Choosing the best cryptocurrency API for your application can be a daunting task. There are a variety of APIs available, each with its own set of features and advantages. So, it’s important to take the time to research the different APIs and determine which one is right for your application.

When choosing a Cryptocurrency API, it’s important to consider the features it provides. 

Here are a few questions you need answers to:

  • Does the API provide access to real-time price data? 
  • Does it provide access to the blockchain? 
  • Does it provide access to a variety of market data? 

It’s also important to consider the pricing of the API. As mentioned above, some APIs are free, while others require a subscription fee. It’s important to consider the cost of the API and make sure it fits within your budget. 

Best Practices for Using Crypto APIs

Using crypto APIs can be a great way to access data and create powerful applications. However, there are a few best practices to keep in mind when using these APIs.

  • The first best practice is to make sure the API is reliable. The API you use should be up-to-date and provide accurate data.
  • The second best practice is to make sure the API is secure. Make sure the API you are using is secure and provides the necessary security measures.
  • The third best practice is to use the API responsibly. This API has to be used responsibly and avoid being abused.
  • Finally, make sure the API is easy to use and quick to understand.

 To explore our FREE Token Metrics crypto API, click here.

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Token Metrics Team
Token Metrics Team

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Research

Choosing the Best API for Institutional Crypto Analytics

Token Metrics Team
6
MIN

In today’s rapidly evolving digital asset landscape, institutions require access to secure, fast, and reliable analytics. The right application programming interface (API) can determine how effectively asset managers, risk teams, and research desks process vast volumes of crypto data. While hundreds of APIs claim to deliver comprehensive analytics, only a select few offer the depth, infrastructure, and granularity needed for institutional decision-making. So, how do you identify which API is best for institutional-level crypto analytics?

Key Institutional Requirements for Crypto Analytics APIs

Institutions face unique analytics needs compared to retail participants. Core requirements cut across:


     

     

     

     

     

     


The ideal API brings together standardized endpoints, dedicated support, and tooling to enable advanced research, risk, and portfolio management functions.

Overview of Leading APIs for Institutional Crypto Analytics

Let’s explore some of the leading contenders in the market based on institutional needs:


     

     

     

     

     

     


While each API has unique strengths, the best fit depends on the institution’s specific research and operational objectives.

Framework for Comparing Crypto Analytics APIs

Given the diversity of provider offerings, institutions benefit from a structured evaluation approach:


     

     

     

     

     

     


Using this checklist, decision makers can align their analytics strategy and tooling to their mandate—be it portfolio monitoring, alpha research, or risk mitigation.

AI’s Impact on Institutional Crypto Analytics APIs

Recent advances in AI and machine learning have transformed how institutions derive insights from crypto markets:


     

     

     


For institutional users, the fusion of traditional data feeds with AI-driven signals accelerates research cycles, strengthens automation, and supports more granular risk monitoring.

Practical Steps for Integrating Institutional Crypto Analytics APIs

Once the API shortlist is narrowed, institutions should:


     

     

     

     

     


Thoughtful integration enables institutions to maximize analytical rigor, improve operational efficiency, and streamline research and trading workflows.

Build Smarter Crypto Apps & AI Agents with Token Metrics

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

FAQ: Institutional Crypto Analytics APIs

What distinguishes a top-tier crypto analytics API for institutions?

Top APIs offer comprehensive high-frequency data, robust uptime, on-chain analytics, and customizable endpoints. They support integration with institutional systems and provide enterprise-level security and support.

Why are on-chain analytics important for institutional investors?

On-chain analytics reveal trends in wallet activity, fund flows, and network health. These insights can help with compliance monitoring, risk assessment, and understanding macro shifts in crypto markets.

How does AI enhance the value of a crypto analytics API?

AI-driven APIs can automate data aggregation, deliver predictive signals, analyze sentiment, and help institutions uncover hidden patterns—enhancing research speed and accuracy.

What sets the Token Metrics API apart from competitors?

The Token Metrics API blends multi-source price, on-chain, and sentiment data with AI-powered analytics for actionable signals, supporting sophisticated institutional workflows.

What challenges might institutions face when integrating crypto analytics APIs?

Key challenges may include harmonizing data formats, managing API limits, ensuring security compliance, and aligning external feeds with internal data pipelines and tools.

Disclaimer

This blog is for informational and educational purposes only. It does not constitute financial, investment, or legal advice. No warranties or endorsements of any API provider, platform, or service, including Token Metrics, are implied. Always conduct your own due diligence before integrating any data tool or service.

Research

Integrating Crypto APIs with Google Sheets and Excel: A Complete Guide

Token Metrics Team
7
MIN

Staying on top of cryptocurrency markets often means harnessing real-time data and powerful analytics. For anyone seeking transparency and automation in tracking digital assets, connecting a crypto API directly to Google Sheets or Excel can transform your workflow. But how does the process actually work, and what are the best practices? Let’s break down the essential steps and considerations for integrating crypto APIs with your favorite spreadsheets, optimizing your data analysis, and ensuring reliability and security.

Choosing the Right Crypto API

The first step is selecting a crypto API suited to your needs. APIs are digital interfaces that let apps and platforms request data from cryptocurrency exchanges or analytics providers. Popular APIs deliver live prices, on-chain data, market caps, historical charts, and blockchain analytics.

  • Open vs. Restricted APIs: Some APIs are public and free; others require API keys and may have rate or usage limits.
  • Data Types: Consider if you need real-time price feeds, historical OHLCV data, on-chain analytics, or sentiment analysis.
  • Reliability & Security: Well-established APIs should offer robust documentation, strong uptime records, and clear usage policies.
  • Compliance: Ensure you use APIs that are legally authorized to distribute the type of crypto data you seek.

Examples of reputable APIs include Token Metrics, CoinGecko, CoinMarketCap, Binance, and CryptoCompare. Some, like Token Metrics, also offer AI-driven insights and advanced analytics for deeper research.

How to Connect a Crypto API to Google Sheets

Google Sheets offers flexibility for live crypto data tracking, especially with tools like Apps Script and the IMPORTDATA or IMPORTJSON custom functions. Here’s a general approach:

  1. Obtain Your API Endpoint and Key: Sign up for your preferred API (such as Token Metrics) and copy your endpoint URL and API key credentials.
  2. Install or Set Up Importer: For public APIs returning CSV data, use =IMPORTDATA(“URL”) directly in a cell. For JSON APIs (the vast majority), you’ll likely need to add a custom Apps Script function like IMPORTJSON or use third-party add-ons such as API Connector.
  3. Write the Script or Formula: In Apps Script, create a function that fetches and parses the JSON data, handling your API key in the request headers if needed.
  4. Display and Format: Run your script or enter your formula (e.g., =IMPORTJSON("https://api.tokenmetrics.com/v1/prices?symbol=BTC", "/price", "noHeaders")). Crypto data will update automatically based on your refresh schedule or script triggers.
  5. Automation & Limits: Be aware of Google’s rate limits and your API plan’s quota; set triggers thoughtfully to avoid errors or blocking.

Sample Apps Script for a GET request might look like:

function GETCRYPTO(url) {
  var response = UrlFetchApp.fetch(url);
  var json = response.getContentText();
  var data = JSON.parse(json);
  return data.price;
}

Change the URL as needed for your API endpoint and required parameters.

How to Connect a Crypto API to Excel

Microsoft Excel supports API integrations using built-in tools like Power Query (Get & Transform) and VBA scripting. Here is how you can set up a connection:

  1. Fetch the API Endpoint and Key: Obtain the endpoint and authorize via headers or parameters as your API documentation describes.
  2. Use Power Query: In Excel, go to Data > Get Data > From Other Sources > From Web. Enter the API URL, set HTTP method (typically GET), and configure authentication, if needed.
  3. Parse JSON/CSV: Power Query will ingest the JSON or CSV. Use its UI to navigate, transform, and load only the fields or tables you need (like price, symbol, or market cap).
  4. Refresh Data: When finished, click Load to bring dynamic crypto data into your spreadsheet. Setup refresh schedules as needed for real-time or periodic updates.
  5. Advanced Automation: For customized workflows (like triggered refreshes or response handling), leverage Excel’s scripting tools or Office Scripts in cloud-based Excel.

Note that Excel’s query limits and performance may vary depending on frequency, the amount of retrieved data, and your version (cloud vs desktop).

Best Practices and Use Cases for Crypto API Data in Spreadsheets

Why use a crypto API in your spreadsheet at all? Here are common scenarios and tips you should consider:

  • Portfolio Tracking: Dynamically update positions, track P/L, and rebalance based on real-time prices.
  • Market & Sentiment Analysis: Import on-chain or social sentiment metrics for enhanced research (available from providers like Token Metrics).
  • Historical Analysis: Pull historical OHLCV for custom charting and volatility tracking.
  • Custom Alerts or Dashboarding: Build automated alerts using conditional formatting or macros if price triggers or portfolio thresholds are breached.
  • Audit and Compliance: Keep timestamped logs or export data snapshots for reporting/transparency needs.

Security Tip: Always keep API keys secure and avoid sharing spreadsheet templates publicly if they contain credentials. Use environment variables or Google Apps Script’s Properties Service for added safety.

Troubleshooting, Rate Limits, and Common Pitfalls

Although spreadsheet integration is powerful, some challenges are common:

  • Rate Limits: Both Google Sheets/Excel and your crypto API will have tiered usage limits—avoid setting updates more frequently than permitted to prevent service interruptions.
  • Parsing Errors: Double-check API documentation for exact JSON/CSV field names required by your formulas or scripts.
  • Data Freshness: Sheet refreshes may lag a few minutes, so always verify the update interval matches your analysis needs.
  • Authentication Issues: If data fails to load, ensure API keys and headers are handled correctly and privileges have not recently changed.
  • Spreadsheet Bloat: Very large data pulls can slow down your spreadsheet—filter or limit queries to only what you truly need.

When in doubt, consult your API provider’s resource or developer documentation for troubleshooting tips and best practices.

Build Smarter Crypto Apps & AI Agents with Token Metrics

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

FAQ: Connecting Crypto APIs to Google Sheets or Excel

Do I need programming knowledge to connect a crypto API?

Basic integrations, like using APIs that return CSV files, can often work without code via built-in data import features. For JSON APIs or custom data endpoints, familiarity with Apps Script (Google Sheets) or Power Query (Excel) is helpful but not strictly required, especially if you use add-ons like API Connector or plug-and-play solutions.

What types of crypto data can I import into spreadsheets?

Supported APIs offer a variety of data: live spot prices, historical price series, market capitalization, volume, on-chain metrics, sentiment scores, and more. The exact data fields depend on each API’s offering and the available endpoints.

How should I keep my API key secure in a spreadsheet?

Never embed plain text API keys in shared or public spreadsheets. In Google Sheets, use script properties or protected ranges; in Excel, store keys locally or use encrypted variables if automating. Always follow your provider’s credential management guidelines.

How frequently does spreadsheet crypto data refresh with APIs?

Refresh frequency depends on your integration setup. Google Sheets custom scripts or add-ons can update as often as every few minutes, subject to service and API rate limits. Excel’s Power Query typically updates manually or based on scheduled refresh intervals you define.

What’s the best crypto API for Google Sheets or Excel?

Choice depends on use case and data depth. Token Metrics is notable for real-time prices, AI-powered analytics, and robust developer support. Other popular choices are CoinGecko, CoinMarketCap, and exchange-specific APIs. Always compare data coverage, reliability, security, and documentation.

Disclaimer

This article is for educational and informational purposes only. It does not constitute financial, legal, or investment advice. Always follow best practices for security and usage when working with APIs and spreadsheets.

Research

How Crypto APIs Power NFT and DeFi Data for Developers

Token Metrics Team
6
MIN

The explosion of NFT and DeFi applications has dramatically increased demand for reliable blockchain data. Developers and analysts seeking to build innovative crypto projects often ask: do crypto APIs provide data for NFTs and DeFi protocols—and if so, how can this fuel smarter apps and insights?

What Are Crypto APIs and Why Are They Important?

A crypto API (Application Programming Interface) is a set of endpoints and protocols that connect applications to blockchain networks or data aggregators. Instead of directly querying nodes or parsing blocks, developers can access a stream of blockchain-related data in real time via these APIs.

APIs abstract away the technical complexity of on-chain data, providing accessible methods for retrieving token prices, wallet balances, transaction histories, smart contract events, NFT metadata, and DeFi protocol information. This simplifies everything from price tracking to building sophisticated crypto apps and analytics dashboards.

Accurate, up-to-date blockchain data is the foundation for researching NFT projects, assessing DeFi protocol health, and even powering AI agents tasked with blockchain tasks. Leading crypto APIs provide developers with high-level access, so they can focus on building features instead of managing blockchain infrastructure.

NFT Data Accessible Through Crypto APIs

Non-fungible tokens (NFTs) have unique data structures, including metadata, ownership history, royalty rules, and underlying assets. Many modern crypto APIs cater to NFT-specific data retrieval, facilitating applications like NFT wallets, galleries, marketplaces, and analytics platforms.

  • Ownership & provenance: APIs can fetch real-time and historical information about who owns a given NFT, how ownership has changed, and related on-chain transactions.
  • Metadata and imagery: Developers retrieve NFT metadata (e.g., images, attributes) directly from smart contracts or token URIs, often with additional caching for speed.
  • Marketplace integration: Some APIs aggregate current and past prices, listing details, and sales volumes from top NFT marketplaces.
  • Activity monitoring: Event endpoints allow tracking of NFT mints, transfers, and burns across chains.

Popular NFT API providers—such as OpenSea API, Alchemy, Moralis, and Token Metrics—differ in their supported blockchains, rate limits, and depth of metadata. When selecting a crypto API for NFTs, compare which standards are supported (ERC-721, ERC-1155, etc.), ease of integration, and the richness of returned data.

How Crypto APIs Handle DeFi Protocol and Market Data

Decentralized finance (DeFi) relies on composable smart contracts driving lending, trading, yield farming, liquid staking, and more. Accessing accurate, real-time DeFi data—such as TVL (total value locked), pool balances, lending/borrowing rates, or DEX trade history—is critical for both app builders and researchers.

Leading crypto APIs now offer endpoints dedicated to:

  • Protocol statistics: TVL figures, liquidity pool compositions, APYs, token emissions, and reward calculations.
  • Real-time DeFi prices: AMM pool prices, slippage estimates, and historical trade data across major DEXes and aggregators.
  • On-chain governance: Information about DeFi protocol proposals, votes, and upgrade histories.
  • User positions: Individual wallet interactions with DeFi protocols (e.g., collateral, borrowings, farming positions).

APIs such as DeFi Llama, Covalent, and Token Metrics provide advanced DeFi analytics and are popular among platforms that track yields, compare protocols, or automate investment analyses (without providing investment advice). Evaluate the update frequency, supported chains, and the granularity of metrics before integrating a DeFi data API.

Key Benefits and Limitations of Using APIs for NFT and DeFi Data

APIs offer significant advantages for NFT and DeFi development:

  • Rapid access to up-to-date blockchain information
  • Abstraction from blockchain-specific quirks and node maintenance
  • Ready-to-integrate endpoints for user-facing dashboards or backend analytics
  • Support for multi-chain or cross-standard data in a unified interface

However, there are trade-offs:

  • Rate limiting can throttle large-scale data pulls.
  • Data freshness may lag behind direct node access on some platforms.
  • APIs sometimes lack coverage for emerging standards or new protocols.

Choosing the right API for NFTs or DeFi often means balancing coverage, performance, cost, and community support. For applications that require the most recent or comprehensive data, combining multiple APIs or supplementing with direct on-chain queries might be needed. Developers should review documentation and test endpoints with sample queries before full integration.

Real-World Use Cases: NFT and DeFi Applications Powered by APIs

Several innovative crypto products rely on powerful APIs to fetch and process NFT and DeFi data:

  • Portfolio dashboards: Aggregating NFT holdings, DeFi investments, token balances, and performance metrics into a single user interface.
  • Market analytics tools: Analyzing trends in NFT sales, DeFi protocol growth, or liquidity volatility across multiple chains and protocols.
  • AI-driven agents: Enabling bots that track NFT listings, monitor DeFi yields, or automate position rebalancing using real-time data streams (without human input).
  • Compliance and reporting systems: Automatically tracking on-chain ownership, yields, or trade histories for tax and regulatory requirements.

Whether for wallet apps, analytical dashboards, or next-gen AI-driven crypto agents, high-quality data APIs serve as the backbone for reliable and scalable blockchain solutions.

Build Smarter Crypto Apps & AI Agents with Token Metrics

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

FAQ

Can I get NFT metadata using crypto APIs?

Yes, most reputable crypto APIs allow you to retrieve NFT metadata, including images, attributes, and collection information, typically by querying token contract addresses and token IDs.

Which DeFi protocols are supported by mainstream APIs?

Coverage varies, but leading APIs often support Uniswap, Aave, Compound, Curve, MakerDAO, and other top DeFi protocols on Ethereum and other blockchains. Always check API documentation for a full, updated list.

Do crypto APIs support multichain NFT and DeFi data?

Many APIs now offer multi-chain support, enabling data retrieval across Ethereum, Polygon, BNB Chain, Avalanche, and other major ecosystems for both NFTs and DeFi activity.

What should I consider when choosing an NFT or DeFi API?

Key factors include supported blockchains and standards, data freshness, endpoint reliability, documentation quality, pricing, and limits on API calls. Community trust and support are also important.

How do APIs differ from blockchain node access?

APIs abstract away protocol complexity, offering simplified data endpoints, caching, and error handling, while direct node access requires technical setup but can provide lower-latency data and broader customization.

Disclaimer

This article is for informational and educational purposes only. It does not constitute investment advice, an offer, recommendation, or solicitation. Please conduct your own research and seek professional advice where appropriate.

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