Best Blockchain APIs in the UK of 2026

Blockdaemon

Blockdaemon is the institutional gateway to Web3, securing over $110B in digital assets for 400+ institutions, including exchanges, custodians, crypto platforms, and financial enterprises. We offer institutional-grade blockchain infrastructure spanning nodes, APIs, DeFi, staking, MPC wallets and vaults. Since 2017, our globally distributed infrastructure ensures unrivaled security, compliance, and scalability.

2 Ratings

Starting Price: $0/month

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Coinbase

Coinbase is the easiest place to buy, sell, and manage your cryptocurrency portfolio. Jump start your crypto portfolio with $30 in free Bitcoin after you sign up and make a $20 purchase. Terms apply. Discover how specific cryptocurrencies work — and get a bit of each crypto to try out for yourself. Coinbase has a variety of features that make it the best place to start trading. Buy and sell popular digital currencies, keep track of them in the one place. Invest in cryptocurrency slowly over time by scheduling buys daily, weekly, or monthly. For added security, store your funds in a vault with time delayed withdrawals. Stay on top of the markets with the Coinbase app for Android or iOS. We store the vast majority of the digital assets in secure offline storage. Cryptocurrency stored on our servers is covered by our insurance policy. Coinbase supports a variety of the most popular digital currencies.

10 Ratings

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WalletIDs.net

Issue Blockchain Wallet Addresses — Instantly and Free! WalletIDs.net is a non-custodial Wallet-as-a-Service platform that enables developers to programmatically generate HD wallets across major blockchain networks including Ethereum, Bitcoin, Polygon, BNB Chain, Solana, Tron, Arbitrum, Optimism, and more. With a simple REST API, issue unlimited master wallets and derive unique payment addresses per customer order — ideal for e-commerce and crypto payment processing. Features include real-time balance monitoring, webhook notifications for incoming payments, and support for thousands of ERC-20/BEP-20 tokens. Wallet creation is always free. (Optional encrypted key backup available at $1/currency/month.) Key Features: • HD wallet generation (BIP32/BIP44) • Per-order derived addresses • Balance monitoring with webhooks • Multi-network support

Starting Price: $1/currency/month

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Venly

Venly is a blockchain technology provider that creates tools and products to help companies benefit from blockchain technology. We provide a complete technology stack to bring brands, apps, games and platforms into Web3. We offer wallets, marketplaces, and NFT tools to help businesses integrate web3 tech & onboard users seamlessly. Our solutions provide a familiar Web2 experience to make blockchain accessible for both developers and users alike. Venly empowers the use of blockchain, by providing trusted and easy-to-use software solutions. We are making blockchain accessible for everyone. Products and services include: WALLET SOLUTIONS → Instant Web3 Wallets for Your Users MARKETPLACE SOLUTIONS → NFT Marketplace Built for the Mainstream NFT TOOLS → Your Complete NFT Toolkit SHOPIFY NFT APP → Sell NFTs in Your Shopify Store WEB3 GAMING TOOLKIT → Make Your Game Web3 Ready

33 Ratings

Starting Price: $0/month

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Tatum

The fastest and easiest blockchain development platform. Unified framework for 40+ blockchain protocols and thousands of digital assets. A single, unified Javascript SDK, for over 40+ blockchain protocols. Simplify your development and integrate any blockchain directly into your JavaScript backend. Create and sell NFTs directly within your WooCommerce site. The plugin is completely free and can be set up within minutes. An open-source key management system for the most secure storing your private keys, mnemonics, and signing transactions on-premise. A command line interface to interact with blockchains. Access our infrastructure via REST API with unified commands across all supported blockchains. All blockchains are unified into one simple SDK. Effortlessly develop apps on any supported blockchain with no previous blockchain experience.

1 Rating

Starting Price: $9 per month

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Tokenview

We have provided blockchain data API customization and node building services for 2000 + enterprises. Through stable and fast data interface, real-time access to blockchain data, we can help our customers to save the cost of node setup, blocks synchronization, storage occupation, operation and maintenance. It provides the convenience for the development of related blockchain applications. For premium customers, Tokenview provides customized services such as historical data retrieval of public chains, warnings of suspicious transfers for financial institutions, and wallet services etc. Multi-Crypto Blockchain Data APIs is the blockchain data API interfaces launched by Tokenview, which provides structured chain data, wallet service, large transfer alert, address monitoring and so on.

1 Rating

Starting Price: $99 per 300 requests

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SoChain

SoChain is a blockchain explorer that crypto users can use to explore the Bitcoin blockchain and other blockchains. SoChain also offers APIs. SoChain's fast blockchain API is the easiest, most cost-effective way to build applications on Bitcoin, Litecoin, Dogecoin, Zcash, and Dash. We also offer Test Networks for developers to get started in a sandbox environment. Currency is just the first application of the Blockchain, and there's alot more to come. We're helping you make the future happen. This API is fast, and free. If you'd like to see more features, or if you need an obscenely large number of API calls, talk to us. We're happy to help. Accessing the SoChain API is simple. Whichever programming language you use, you can call our REST API using any HTTP adapter. For accessing this API using Ruby or Ruby on Rails, we recommend using the HTTPClient gem.

1 Rating

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Etherscan

Etherscan is the leading Blockchain Explorer, Search, API and Analytics Platform for Ethereum, a decentralized smart contracts platform. Built and launched in 2015 it is one of the earliest and longest running independent project built around Ethereum and its community with the mission of providing equitable access to blockchain data.

1 Rating

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Ethplorer

Portfolio tracking, address and transactions tags and notes, watch service notifications, and crypto accounting. Track address portfolios for any Ethereum address with comprehensive balance charts and transactions. View balances, trading volumes, operations and transfers per token, per day. Tag and note any transaction, address, or even tokens. Use it as an easy tool for your crypto accounting with no registration required. Export the transaction history for any address tags /notes as a CSV file with historical prices. Explore marketing possibilities with token API and display widgets. Track an infinite number of Ethereum addresses and tokens, with industry-first Bulk API monitor. An all-in-one platform for the world of the Ethereum blockchain. View historical balances of holdings in USD. Receive email or telegram updates for any incoming or outgoing transaction from any address with watching service.

1 Rating

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Onmeta

Onmeta (onmeta.in) provides world’s quickest on and off ramp solutions (API/widget integration) to web3 dapps to help them improve their user experience and accelerate their adoption by mainstream users. Now, process the on & off ramp payments in <60 seconds with Onmeta's solutions. Currently, it is the only service provider supporting INR fiat on and off ramp and supports 5000+ tokens across Polygon, Ethereum, BNB, Arbitrum, Avalanche & Fantom blockchains with work underway for supporting 20+ blockchains and 5+ emerging markets fiat currencies by end of this year. It has 15+ dApps currently using its solution.

1 Rating

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Bitquery

Our DEX GraphQL APIs provide real-time trades for multiple DEX protocols across different blockchains. You can access trade data for protocols like Kyber, Uniswap, 0x, Balancer protocol, PancakeSwap, etc. Based on DEX trade data, you can build charting, analytics, find arbitrage opportunities, or analyze DEX markets. Bitquery is a set of software products that parse, index, and store blockchain data in a unified way. Market analytics for specific projects and industry trends in different blockchain networks. Money flow analysis for blockchain investigation and compliance, find origin and destination of funds. Decentralized Finance (DeFi) protocols APIs and analytics. Scientific research for blockchain development.

3 Ratings

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Crypto APIs

Crypto APIs is a trusted Web 3 infrastructure provider for crypto applications & dApps. It is the easiest way to interact with blockchains. The company's product suite includes Blockchain Data, Blockchain Events, Blockchain Automations, Blockchain Tools, Non-Custodial Wallets and Market Data. Interoperability is one of the main benefits of Crypto APIs, as it supports multiple blockchains, tokens, and standards. Developers can use the product suite on both testnets and mainnets. The unified REST API endpoints guarantee easy access to different blockchains. SDK libraries make it easy for developers to build solutions using Crypto APIs endpoints. With a seamless one-time integration and advanced cryptographic security, Crypto APIs offers a perfect infrastructure layer for Web 3. It is ISO/IEC 27001:2013 certified – a testament to the company’s dedication to privacy and security.

Starting Price: $129 per month

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Anyblock

Anyblock Analytics

Anyblock’s Software-as-a-Service (SaaS) provides Blockchain JSON-RPC Access for Bitcoin, Ethereum & more. We use a fast and reliable blockchain API, query time is usually less than 100 ms. Load-balanced with multiple nodes. Parity/OpenEthereum & Besu clients for Ethereum. Amazing support. Quick and personal responses. Technical advice with code samples. Extensive documentation: API, tutorials, FAQs, ...

Starting Price: €199/month

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NOWNodes

NOWNodes is a reliable RPC service provider offering seamless access to both Full and Archive Nodes via API. Supporting over 110 blockchain networks, NOWNodes delivers multiple interface options such as Tendermint, Blockbook, Index, and others—available across mainnets and testnets depending on the specific blockchain. The platform stands out for its fast, cost-efficient, and dependable infrastructure. With 99.95% uptime, the ability to handle over 15,000 transactions per second, and an average response time of approximately 0.6 seconds, NOWNodes ensures continuous, secure access to blockchain data.

Starting Price: €20

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Blockchair

The Blockchair API offers developers, researchers, and businesses the ability to tap into data from 17 distinct blockchains. This API is equipped with a range of analytical tools, enabling tasks such as filtering, sorting, and data aggregation, all while maintaining impressive uptime. Blockchair stands out as the pioneer in merging various blockchains into a single search interface. In contrast to many other blockchain explorers and crypto entities, Blockchair prioritizes user privacy by refraining from gathering personal data and ensures it isn't distributed to external analytics firms or advertising networks.

Starting Price: 25$

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InfStones

InfStones, a Softbank portfolio company, is an advanced, enterprise-grade Platform as a Service (PaaS) blockchain infrastructure provider trusted by the top blockchain companies in the world. InStones’ AI-based infrastructure provides developers worldwide with a rugged, powerful node management platform alongside an easy-to-use API. With over 15,000 nodes supported on over 60 blockchains, InfStones gives developers all the control they need - reliability, speed, efficiency, security, and scalability - for cross-chain DeFi, NFT, GameFi, and decentralized application development. InfStones is trusted by the biggest blockchain companies in the world including Binance, Coinlist, BitGo, OKX, Chainlink, Polygon, Harmony, and Kucoin, among a hundred other customers. InfStones is dedicated to developing the next evolution of a better world through limitless Web3 innovation.

Starting Price: Free

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Stellar

Stellar Development Foundation

Stellar makes it possible to create, send, and trade digital representations of all forms of money: dollars, pesos, bitcoin, pretty much anything. It’s designed so all the world’s financial systems can work together on a single network. Stellar's API and SDKs are ready to help you transform the world of finance, and the network’s currency connections could give even a small company the power and reach of an international bank. Leverage the many currency-backed tokens already on the Stellar network. Use Stellar's built-in decentralized exchange for crypto, forex, or securities. Users can swap between tokens using simple functions built into the protocol. Leverage the Stellar Disbursement Platform (SDP) to initiate and disburse bulk payments that move in real-time and settle instantly 24/7/365 with full certainty of funds delivery. Stellar has the documentation, tooling, and support to help you get your project up quickly.

Starting Price: $0

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Kaleido

Create blockchain and digital asset solutions without the cost and complexity of building from scratch. Start small and rapidly move into production. Choose from popular cloud properties and hybrid deployment options, geographic regions, protocols, consensus mechanisms and more, all at the click of a button. Makes blockchain just another endpoint so you can accelerate development and deployment of your dapps. A robust, easy-to-use interface to manage everything about your blockchain networks and environments. Onboarding and scaling are built-in and instantaneous with automated tools and workflows so you can grow your business network with ease. Nodes, data and key materials are managed individually by each member. Scale the network with ease using distributed network ownership or single proxy operator. Manage your networks and memberships, users, environments, and more.

Starting Price: $‍ 0.15 per node per hour

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WatchData

WatchData provides simple and reliable API access to Ethereum blockchain. Among the advantages offered by WatchData are: - Data reliability - Uninterrupted connection with no downtime - Process automation - High limits that suit any user - Support for various nodes - Resource scaling -High processing speeds

Starting Price: $72 per month

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Vezgo

Vezgo is an API for connecting to any crypto exchange, wallet, protocol or account. It's the #1 alternative to the discontinued Zabo API. Simplify your development and integrate end-user data from exchanges and blockchain directly into your JavaScript backend using the Vezgo SDK. Supporting exchanges, wallets and protocols takes months of design and development. Vezgo is one integration that can be completed in an afternoon. Vezgo is constantly adding support for new exchanges, wallets and protocols, which means you’ll always have the latest for your users. Vezgo normalizes and enhances the data with fiat values, and standardized transaction types. It makes every connection return the exact same data formatting, giving your application unmatched reliability and data consistency.

Starting Price: Free

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BlockSpan

BlockSpan is an NFT API platform for software companies developing on the blockchain. We aggregate data from multiple chains and provide an API layer to allow NFT developers to retrieve token prices, current ownership, and metadata including cached images in real time. Supporting multiple blockchains, or switching chains, doesn't have to be difficult. You can stop scraping block logs and write a simple rest API integration instead. More than just transaction data, our API returns price, current owner, metadata, and more. Ethereum, Polygon, Arbitrum, and Optimism supported today, with more coming soon. We've written extensive documentation for each endpoint that includes an interactive API console. Our NFT API includes token metadata and cached image urls, saving making API and IPFS calls to fetch that data.

Starting Price: $49 per month

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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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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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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 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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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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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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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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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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Best Blockchain APIs in the UK

Compare the Top Blockchain APIs in the UK as of March 2026

What are Blockchain APIs in the UK?

Blockdaemon

Coinbase

WalletIDs.net

Venly

Tatum

Tokenview

SoChain

Etherscan

Ethplorer

Onmeta

Bitquery

Crypto APIs

Anyblock

NOWNodes

Blockchair

InfStones

Stellar

Kaleido

WatchData

Vezgo

BlockSpan

NFTPort

Nomics

Coinpath

1inch Business

Across Protocol

Ankr

Covalent

Amberdata

Bitcore

Best Blockchain APIs in the UK

Compare the Top Blockchain APIs in the UK as of March 2026

What are Blockchain APIs in the UK?

Blockdaemon

Coinbase

WalletIDs.net

Venly

Tatum

Tokenview

SoChain

Etherscan

Ethplorer

Onmeta

Bitquery

Crypto APIs

Anyblock

NOWNodes

Blockchair

InfStones

Stellar

Kaleido

WatchData

Vezgo

BlockSpan

NFTPort

Nomics

Coinpath

1inch Business

Across Protocol

Ankr

Covalent

Amberdata

Bitcore

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