In Web3, contrary to Web2, where all interactions between the user and application are guarded, the blockchain is public and accessible to anyone. Every data point piques the curiosity of analysts.

Web3 apps and experiences can be built using blockchain APIs, which provide developers with blockchain data and tools. These APIs aim to simplify the interaction between different blockchains and platforms so that developers don’t have to worry about complex technical details when developing their applications.

You can create dashboards or data visualizations using bitcoin chain data. You can build a better version of a project by studying how users interact with decentralized exchanges. You can read about the project’s traction and decide whether or not to invest.

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Anyone with a basic understanding of SQL or the desire to learn it can access a real-time balance sheet, network traction, user engagement, and retention, or a comprehensive risk analysis.

A computer, referred to as a node, runs the software that connects it to the blockchain network to collect the on-chain data. It enables them to communicate between nodes and store transaction data. Anyone can run a node and see what is going on — it is open and transparent.

Many businesses use node infrastructure at scale and make blockchain data available via an API.

There are quite a few blockchain api providers in the market. For any developer who is interested, we have researched and listed some of the best blockchain API providers in the market today.

Bitquery is one of the best blockchain data providers in this space. Bitquery extracts and presents valuable data from over 40 blockchains using actionable, insightful blockchain GraphQL APIs. The tool is for everyone, including developers who use Bitquery’s blockchain APIs and Widgets to build projects and publications, as well as financial organizations and banks, to reduce fraud, analyze risks, and improve security.

Bitquery houses different products for different purposes:

• Cryptocurrency Forensics with Coinpath API: Coinpath is a set of blockchain money tracing APIs based on a sophisticated mathematical algorithm capable of performing complex calculations between blockchain addresses to visualize transactions and blockchain money flow. Using Coinpath and an example of FairWin’s collapse in 2019, this article shows how to conduct an investigation.
• DEX APIs: Real-time trades across various DEX protocols and blockchains are made possible by our DEX GraphQL APIs. Trade data is available for protocols like PancakeSwap, Kyber, Uniswap, 0x, Balancer Protocol, and others. Bitquery support 100+ DEXs on 10+ blockchains.
• The transaction API is available for low-level transaction analysis. What are the assets that are driving transaction volume? What is the daily transaction volume trend? How has it changed over time? Is there a peak in transaction volume during the day? You can highlight a specific token event that occurred on a specific date or time frame, outlining the exact transaction flow. What is the most recent block? How long did it take to make, and what transactions does it contain? Curious about a whale?

• Bitquery widgets simplify the display of blockchain analytics, DApp, and DeFi data on your website. These widgets are interactive, and users can change the queries to view different data sets independently. Using the Tradingview library, you can create your live charting application.

The Graph is an indexing protocol that organizes all data so that networks like Ethereum can be queried. It enables you to query difficult-to-query data as well as build and publish open APIs known as subgraphs. The Graph is useful for a blockchain data developer, indexer, or curator and currently includes three products: Subgraph Studio, the Graph Explorer for exploring subgraphs, and the Hosted Service for creating and exploring subgraphs.

Covalent is an API platform that supports over 70 blockchains and can be used by developers to create crypto wallet interfaces, NFT galleries, GameFi dashboards, and custom dApps. The RESTful Covalent API provides a unified approach to fetching blockchain data with a consistent request and response object format.

Covalent provides a DEX dashboard template for you to start with and then customize the views and settings as needed.

Quicknode is a Web3 app platform that provides RPC methods in Python, Ruby, JavaScript, and cURL that can be used to access Algorand, Binance Smart Chain, Bitcoin, Ethereum, and 16+ chains. It always sends your API requests to the closest available location, ensuring the lowest latency and fastest speeds. The free plan, which has a request limit of 25 per second, also allows you to retrieve NFTS by creator and all NFTs in a wallet. The free plan has a limit of 10 million API credits, which are Quicknode’s way of measuring usage and vary depending on a number of complex factors.

Blockchair is a blockchain explorer that incorporates a multitude of different blockchains into one search engine.

The project was born out of the need to learn more about blockchain technology and explore it in a new way. Blockchair is a search engine for all cryptocurrencies and blockchains. It allows users to explore decentralized networks through a single interface, using the power of open-source intelligence to provide actionable data for investors and traders.

It allows us to extract insights from data using SQL-like queries on 19 blockchains.

Apart from being an explorer, it also provides:

• Set up your anonymous portfolio tracker by adding the current coin value of the coins you own from the list and tracking your portfolio performance on the Blockchair website and in the browser extension.
• The Blockchair donut platform, which serves as a fundraising platform for nonprofits and open-source projects that accept cryptocurrency donations.

Moralis is a platform that provides a suite of blockchain APIs for building and shipping dApps, including the NFT API, EVM API, and Solana API. The streams API was recently added to the suite to track when battles or events begin in GameFi. You can use the Moralis Token API to retrieve all token balances and historical data in a single API call. It also provides cross-chain support, allowing NFT applications to be built using the same API.

Etherscan is a blockchain explorer, search, API and analytics platform for Ethereum. It provides information about smart contracts, transactions and tokens on the Ethereum blockchain.

Etherscan allows you to explore and search the Ethereum blockchain for transactions, addresses, tokens, prices and other information. The analytics section of Etherscan is a collection of charts that provide insights into the Ethereum ecosystem such as number of transactions per day or average gas cost per transaction.

The platform has an API that can be used to integrate Etherscan with other applications. Etherscan provides two types of API plans: free community endpoints with a 5 call/second limit and API PRO, which includes additional derived blockchain data.

Nownodes is a blockchain-as-a-service tool that provides instant access to 60+ blockchain networks, including BTC, ETH, and BSC, which total over 1000 coins and tokens. Nownodes API also supports smart contracts, wallets, exchanges, and dApps.

Nownodes API provides an easy way to get data from the blockchain without having to deal with the complexities of different APIs for different blockchains.

Nownodes will provide you with a fully managed dedicated private node for the best crypto experience. It also offers shared nodes for businesses looking for the most cost-effective way to launch and scale their crypto ecosystem.

Tatum is a platform for developing and running Web3 apps. The Tatum platform includes a JS SDK, a Javascript SDK for over 60 blockchain protocols.

Tatum also provides a C# SDK for developing Web3 apps. Tatum KMS is an open-source key management system that can be used to store private keys, generate wallets locally, store mnemonics, and sign transactions. Tatum’s free plan allows for a maximum of 5 requests per second and access to all Main and Testnets.

Blockdaemon is a node management platform that supports more than 60 blockchain networks. The Blockdaemon Ubiquity blockchain API suite provides access to blockchain API, NFT API, and RPC access to 19 protocols.

The in-app Ubiquity dashboard of Blockdaemon provides granular reporting on compute units that determine your bill.

Blockdaemon also offers Dedicated Nodes-as-a-Service for connectivity, security, and performance across many geographic regions and networks, utilizing multiple cloud providers such as Google Cloud, AWS, and Azure.