Best Blockchain APIs - Page 2
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NFTPort
NFTPort
Bring your NFT application to market in hours instead of months. We take care of the NFT infrastructure so you can focus on your application. Built by developers, for developers. Grasping Solidity, Web3.js, GraphQL, nodes, IPFS, etc. is hard, time-consuming and usually needs a team to cover all of the skills. Teams waste 25-50% of engineering resources managing nodes, developing indexers, etc. as they try to reinvent the wheel. Using heavily rate-limited, slow and incomplete APIs slow you down in an extremely competitive market, leading to losing users and revenue.Starting Price: $49 per month -
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OnFinality
OnFinality
OnFinality is a blockchain infrastructure platform that saves web3 builders time and makes their lives easier. OnFinality delivers scalable API endpoints for the biggest blockchain networks and empowers developers to automatically test, deploy, scale and monitor their own blockchain nodes in minutes. To date, OnFinality has served over 300 billion RPC requests across 70 networks including Polkadot, Ethereum, Moonbeam, Astar, Avalanche and Cosmos, and is continuously expanding these mission-critical services so developers can build the decentralised future, faster! Build Smarter with OnFinality.Starting Price: $0 per user per month -
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Blast
Blast
Solving Web3 reliability and performance issues by efficiently employing the resources of hundreds of third-party node providers combined with a state-of-the-art decentralized blockchain API platform and an improved user experience. Start building on the most relevant blockchain projects in the Web3 world. Aiming at providing one of the most resilient decentralized infrastructure services and the fastest response times in the industry, Blast is making use of clustering mechanisms and third-party node geographical distribution in order to help Web3 developers in getting their infrastructure needs covered easily and allow them to focus solely on the development of their applications. Scaling is simply done by allowing more Node providers into our network. Good node behavior is enforced within our protocol by performing periodic checks and applying coercive measures for nodes that underperform, like slashing staked tokens or exclusion from the network.Starting Price: $50 per month -
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Evercloud
Evercloud
Evercloud platform provides developers with products, APIs, and tools, that help build, test, and run applications on TVM-compatible networks (Everscale, The Open Network (TON), Venom, Gosh, etc). Rich and high availability APIs for TVM blockchains. From small to large businesses who don't want to manage their infrastructure. Enterprises and heavy-load DApps who want to have the best API performance with the ability to extend it with custom APIs. Evercloud is for those who want to run and maintain their own node with basic API. It's also for DApp and contract developers and testers, who want to test locally before testing on real networks. Robust GraphQL API that is shared by all the products provides a smooth development flow from local testing to staging and production. Evercloud provides TVM network developers with scalable GraphQL API endpoints. Create Evercloud project and start your communication with blockchain.Starting Price: Free -
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Nomics
Nomics
We’re an API-first cryptoasset data company delivering professional-grade market data APIs to institutional crypto investors & exchanges. We offer products & services that allow funds, fintech apps, & exchanges to access clean, normalized & gapless primary source trade & order book data. To grow the decentralized financial system by making it accessible and understandable to data-driven investors. Index 95% of trade, order book, and on-chain transaction data available for tokenized assets (including security tokens; tokenized funds, indexes, derivatives, and REITs; and of course cryptocurrencies). We are concise, articulate, and always clear about what we are trying to do. We listen well and seek to understand before reacting, maintaining calm poise in stressful situations to draw out the clearest thinking. We provide candid feedback to colleagues, sharing information openly and proactively. -
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Coinpath
Bitquery
Coinpath® is a set of blockchain money tracing APIs based on a sophisticated mathematical algorithm that can perform complex calculations between blockchain addresses to show the money flow. Coinpath® uses heuristics and machine learning to determine clusters, transaction flow, account balance, etc. Our Coinpath® APIs are the backbone of multiple blockchain investigation and compliance solutions. Coinpath® is a set of API endpoints to trace money for any source and destination, create money flow graphs, and aggregate transfers to addresses. You can determine the origin and destination of money, transaction amount, and flow path. Coinpath® depicts a clean data graph for money flow by analyzing wallet transactions and addresses and creates a clear path from funds’ origin to different crypto services and VASPs. Our blockchain forensics technology is useful in monitoring customer deposits and withdrawals for “tainted” coins involved in money laundering, terrorist funding,etc.Starting Price: $249 per month -
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Zabo
Zabo
Zabo is an API for connecting to any crypto exchange, wallet, protocol or account. In only a few hours your users can access a whole universe of cryptocurrency accounts completely whitelabeled into your app. Zabo's API reduces integration lead times by up to 80% while consuming a fraction of the engineering resources normally required. Supporting exchanges, wallets and protocols takes months of design and development. Zabo is one integration that can be completed in an afternoon. Zabo is constantly adding support for new exchanges, wallets and protocols, which means you’ll always have the latest for your users. Zabo makes every connection return the exact same data formatting, giving your application unmatched reliability and data consistency. -
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KNFT
KNFT
We are the first Blockchain as a Service provider in LatAm, we offer entrepreneurs and visionaries with the capability of creating decentralized applications (DApps) that interact through JSON APIs, which allow our clients to integrate blockchain functionalities in their traditional applications while maintaining some aspects of their products based on traditional object-based web development. This is a breakthrough in blockchain technology as it allows the use of DApp functionalities in traditional applications (both internal and customer facing). A decentralized database is the perfect combination of a decentralized framework and cutting-edge technology. This allows dApps to store and access data seamlessly. Some of the most notable features of decentralized databases include: unmatched privacy, high reliability, scalability, and data immutability. Implementing a dApp is easy with KNFT.Starting Price: $500 per month -
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RPC Fast
RPC Fast
If you are spending $2+K on a blockchain API infrastructure and sending hundreds of requests per second, you might be interested in cost optimization. And that is where we can help by providing you the fastest access to blockchain infrastructure through JSON-RPC endpoint on your own secure environment. Why RPC Fast, a self-hosted cluster with geo-distributed blockchain nodes, can be helpful in your case? - Ultra-speedy geo-distributed infrastructure with 90+ zones available and 100% healthy nodes. - 99.99% uptime and average 85.6 millisecond latency from just about anywhere. - PredictKube under the hood, an AI model trained to predict the traffic trend and autoscale infrastructure capacities accordingly, based on your historical data and business metrics. - A self-hosted solution, that will insure maximum security for your blockchain infrastructure.Starting Price: $0 -
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1inch Business
1inch
Ship scalable, secure applications with 1inch Business: your complete Web3 API suite. 1inch protocols access hundreds of liquidity sources across 13+ chains, including Solana, for secure swaps at the best rates. Builders can unlock them all with 1inch Business: 17 APIs that bring you the technologies you need to scale. The 1inch Swap API gives you optimized routes with the new Pathfinder algorithm, as well as intent-based and cross-chain swaps, with MEV protection and zero gas fees as standard. The rest offer everything from spot price and node access to limit orders and dynamic gas pricing. With complete usage statistics and API management, custom plan configuration, and a one-click Swagger UI - 1inch Business gives you the tools you need to build your project. -
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Across Protocol
Across Protocol
Across offers high speed, low fee interoperability solutions powered by intents. Intents is proving to be a winning solution, as Across dominates the routes its supports, frequently able to provide the cheapest and fastest bridge option. Across' unique value is that it guarantees genuine, not synthetic, assets are transferred cross-chain. With an Across integration, dapps and blockchains are able to provide their users with best-execution cross-chain settlement, without security tradeoffs. Across Protocol offers three products built on a modular, intents-based framework. Across Bridge, which offers high speed, low fee token bridging. Across+, a free chain abstraction tool that allows dapps to onboard users, from any chain, in seconds, for cents. Lastly, Across Settlement, which is a settlement layer that dapps can plug into, to execute intents-based order flow. The future of interoperability are intents, and Across is leading its execution.Starting Price: $0 -
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Codex.io
Codex.io
Codex is an API for enriched blockchain and prediction market data. For tokens, it covers real-time pricing, charts, holders, balances, and aggregated analytics for 80M+ tokens and 700M+ wallets across 80+ networks (EVM chains and Solana), with sub-second freshness, historical USD pricing, and WebSocket and webhook subscriptions. Codex also provides prediction market data across Polymarket and Kalshi through a single schema. This includes events, markets, traders, holdings, live order books, and trade feeds, along with time-windowed stats and ranking signals (volume, liquidity, open interest, trade count, and unique traders) at 5m through 1w windows that the venue APIs do not expose natively. Codex is a GraphQL API that most teams query directly, with an optional TypeScript SDK. There is also an MCP server for reading the documentation. Codex offers a free tier (10,000 requests/month), usage-based Growth pricing, and Enterprise plans. Developers use it to build trading platforms.Starting Price: $350/month -
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Ankr
Ankr
The first distributed cloud platform that leverages idle resources anywhere to help you work faster, cheaper, and globally. Create, deploy, and monitor your projects across any environment in our powerful, modern dashboard. Spend less time bootstrapping and focus on shipping, thanks to our intuitive platform. Built on our state-of-the-art cloud-native solution, you can instantly deploy apps or your own codebase on our distributed platform. -
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Amazon Managed Blockchain
Amazon
Amazon Managed Blockchain is a fully managed service that makes it easy to create and manage scalable blockchain networks using the popular open source frameworks Hyperledger Fabric and Ethereum*. Blockchain makes it possible to build applications where multiple parties can execute transactions without the need for a trusted, central authority. Today, building a scalable blockchain network with existing technologies is complex to set up and hard to manage. To create a blockchain network, each network member needs to manually provision hardware, install software, create and manage certificates for access control, and configure networking components. Amazon Managed Blockchain can easily scale your blockchain network as the usage of applications on the network grows over time. When a network member requires additional capacity for creating and validating transactions, the member can quickly add a new peer node using Managed Blockchain's APIs. -
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Covalent
Covalent
Our vision is to empower the pioneers of tomorrow by providing the richest and most robust data infrastructure for the entire blockchain ecosystem. Explore and contribute to the absolute richest blockchain data on the internet. Aggregate historical balances, positions and PnL across dozens of DeFi protocols to build rich and compelling interfaces for your users. Build analytical dashboards showing price trends, liquidity and ROI of assets. Explore our quick start tutorials, how-to guides, example code, and more to easily integrate blockchain data in your project using the Covalent API. Covalent provides a unified API to bring full transparency and visibility to assets across all blockchain networks. Simply put, we have a single API which allows you to pull detailed, granular blockchain transaction data from multiple blockchains with no code. -
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GemOS
GemOS
We allow companies to discover and share disparate data tied to unique identifiers. Create flexible applications that can adapt to different protocols, like Ethereum, Hyperledger and more. Run blockchain nodes of varying sizes and functionality to fit your needs, as a validator or read-only participant. Additionally, you can connect to one or many protocols. Connect data sources from different systems, and register them on a common ledger. Create proofs-of-existence with verifiable integrity without surrendering custody of sensitive information. Attach identity registries for individuals, groups, and devices, and assign a universal blockchain IDs. Create entitlements for users and roles across the network and automatically enforce key-based authorization. Safeguard user access with industry-leading security based on PKI and hierarchical-deterministic (HD) identity trees. Integrate your organization's identity and permission schemas for mirrored functionality. -
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BlockCypher
BlockCypher
Our architecture allows us to run in multiple data centers for redundancy and low-latency. Simple and easy web APIs (REST) enable developers to build blockchain applications quickly and confidently. Our modular, cloud-optimized architecture is enterprise-grade for scalability, performance and reliability. We maintain a cluster of distributed databases which contain all transactional data for the entire blockchain. We host full-node blockchains for optimal security in validating and relaying transactions.Our focus is to make our customers successful as they build their next-generation blockchain applications. BlockCypher quickly identifies fraud and transactions likely to confirm. -
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Amberdata
Amberdata
Amberdata delivers comprehensive data and insights into blockchain networks, crypto markets, and decentralized finance, empowering financial institutions with historical and real-time fundamental (on-chain) and market data for research, trading, risk, analytics, reporting, and compliance. We eliminate the infrastructure setup, integration challenges and maintenance headaches to access digital asset data, reducing cost and time to market for entering the digital asset class. -
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Bloq
Bloq
Bloq’s expanding suite of infrastructure services is a powerful resource for building on multiple blockchains — providing the foundation for cryptocurrency business, de-risking the development process, and scaling as the best ideas grow. BloqConnect accelerates development with APIs, delivering real-time connectivity to leading blockchain networks, as well as indexed data, and additional services. BloqNodes can spin up private, fully-managed clusters of nodes, ensuring the powerful fault-tolerant data foundation that the blockchain industry demands. BloqStake provides solutions for Proof-of-Stake protocols and the enterprises that support them to offer rewards for staking and securing your favorite protocols. Deliver vital infrastructure for your ecosystem, allowing it to build groundbreaking new applications, scale quickly, and explore synergies alongside leading blockchain protocols. -
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Impervious
Impervious Technologies
Impervious API is a programmatic layer that sits on top of the Bitcoin Lightning Network, i.e. "Layer 3." Developers can leverage the Impervious API to easily build secure p2p data transmissions and payments into their applications and services. 1. Truly peer-to-peer (like the Internet was meant to be) 2. Censorship and surveillance resistant 3. Default encrypted 4. Payments built in We make it easy for developers to integrate cryptographically secure payments and data transfers - p2p - via IMP API. Impervious enables applications and services to build on and implement the p2p internet. -
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Bitcore
Bitcore
A powerful, modular node for bitcoin and blockchain-based apps. Infrastructure to build Bitcoin and blockchain-based applications for the next generation of financial technology. -
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ICObench
ICObench
ICObench Data API allows you to get various information and data from the platform including ICO listings, ratings, and stats. This tutorial provides instructions on how to identify the API calls, and walks you through a simple scenario using the API. The API uses the HMAC method with SHA384 algorithm to authenticate the query. Once you are registered and given access to private and public keys for the API, you can request the data from the endpoint. To use the ICObench Data API you need to have both "Private Key" and "Public Key". Public Key is used to identify the API user and is sent via request header as "X-ICObench-Key". Private Key is used to sign every request together with JSON. Both are hashed by HMAC SHA384, converted to base64 and sent via request header as "X-ICObench-Sig". -
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web3.js
web3.js
web3.js is a collection of libraries that allow you to interact with a local or remote ethereum node using HTTP, IPC or WebSocket. A Bloom filter is a probabilistic, space-efficient data structure used for fast checks of set membership. That probably doesn’t mean much to you yet, and so let’s explore how bloom filters might be used. Imagine that we have some large set of data, and we want to be able to quickly test if some element is currently in that set. The naive way of checking might be to query the set to see if our element is in there. That’s probably fine if our data set is relatively small. Unfortunately, if our data set is really big, this search might take a while. Luckily, we have tricks to speed things up in the ethereum world! -
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Elastos
Elastos
Elastos is the world’s leading provider of open source solutions, employing not only blockchain technology, but a peer-to-peer network for communication, decentralized data storage services, and a decentralized ID system for all users and digital assets. The Elastos essentials official super-wallet application provides full management support for your digital identity, contacts, decentralized storage, token spending, voting, and smart contract operations. RPC Crypto Wallet with interoperability, swapping and bridging features. Smart contract operations associated with the Elastos Smart Contract Chain (ESC). We call our platform the Elastos SmartWeb. We are based across the globe, but are united in the belief that the Elastos SmartWeb has the power to change the world for the better. Each platform component contributes unique features and services that draw developers and users to Elastos. -
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Tango Crypto
Tango Crypto
Our suite of high availability APIs and developer tools provides you with fast and reliable access to the Cardano network so you can focus on building and growing your products. Save time and resources, connect your application with one line of code. No syncing, no complicated setups. Our goal is to provide the most accessible and reliable Cardano infrastructure, freeing you up to spend more time talking to your users and building what they need. Harness the processing power of our globally distributed, cloud-hosted node network. Our API alleviates the friction of maintaining your own compute and storage resources, lowering the barrier to entry for developers and enterprises. Our dashboard gives you direct insights into your app’s performance and API usage. Drill down into specific request methods and get response times, most used endpoints, usage by time of the day, IP address, countries and more. Use these insights to optimize your application and better understand your users. -
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Ponto
Ponto
Ponto, meaning bridge in Esperanto, connects global financial products to local economies. We provide the foundational infrastructure for new financial technologies so entrepreneurs and enterprises can create great experiences for their customers. We manage and eliminate the risks involved with distributing financial products across the globe. This way, new financial tools can deliver on the promise of improving and democratizing access to the economy for everyone. Ponto is built by successful hands-on entrepreneurs and financial technology veterans. You don't need to have experience with fintech or blockchain, though that is valuable, you will be passionate about financial inclusion and building service with a global reach. You will be ready to thrive in an unstructured environment, be used to taking initiative, and have an amazing attention to detail. You'll help set our destiny, you'll create just enough process to get stuff done, you'll have fun, and will always assume good intent. -
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Figment
Figment
Actively participating in network proposals and providing a voice to token holders in governance matters. Offering in-depth reporting of staking rewards for tax and compliance optimization. Building on Web 3 shouldn't be hard. DataHub eliminates the hassle of running your own infrastructure so that you can focus on building. View proposals and participate in on-chain governance via Hubble. View transactional and staking data updated in real-time, as well as all historical validator and staking data. Learn the basics of new protocols and discover the perfect network for your DApp. Figment operates a highly secure network of Proof-of-Stake (PoS) validators that enable token holders to secure networks, participate in governance, and earn yield. Figment’s DataHub platform lets developers use the most powerful and unique features of a blockchain without having to become protocol experts, accelerating the development of new Web 3 applications. -
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nxyz
nxyz
Fast, reliable web3 indexing. Real-time, flexible blockchain data APIs. No rate limits, low latency, and multi-chain. Simplify your web3 development process with seamless access to on- and off-chain data. Cached token media, metadata, and prices. Token metadata and pricing feed. Full transaction data, including logs. Query token balances & transactions. Search for tokens, collections, and addresses. Access data specified by your own indexing pattern. Specify contract ABIs and events of interest for custom endpoints. Fast backfill and immediate frontfill. RESTful endpoints delivering at sub-second latency and zero downtime. Subscribe to on-chain activities of interest. Build crypto-powered applications within seconds with nxyz. Read the docs and sign up for our waitlist today to access the fastest API for web3 developers. It takes to scale across billions of users enabling multiple millions of queries per second. -
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Stocra
Stocra
Cryptocurrency API to access transaction data from multiple blockchains in uniform format. With Stocra you can read transactions from Bitcoin, Ethereum (including ERC-20 transfers), Cardano, Dogecoin, Litecoin and Aptos blockchains and get responses in the same format. No more blockchain specific parsers! -
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Sequence
Sequence
We started architecting Sequence in January 2018 to empower our team and solve our needs at Horizon, the parent company behind Sequence. The Sequence platform powers all Horizon's products: Skyweaver, which some call "the best blockchain game"; and Niftyswap, the decentralized marketplace for web3 collectibles. Users can access Sequence from anywhere: desktop, mobile, or tablet. Developers can embed Sequence on any screen, game, or dapp. Collectibles automatically display with artwork and metadata. Perfect for viewing and trading. DAZN Boxing, from global sports entertainment platform DAZN, uses Sequence Wallet to onboard users to web3 and its NFT collections. Query all token and NFT balances, history, metadata, and market prices on many EVM chains. Mint collections and airdrop tokens to your community quickly and easily.
