In the rapidly evolving world of blockchain technology, accessing reliable and high-performance infrastructure is essential for developers, enterprises, and decentralized application (dApp) creators. Blockchain nodes and APIs serve as the backbone of this digital ecosystem, enabling secure data retrieval, transaction validation, and seamless integration with various blockchain networks.
This guide explores the top 9 blockchain API and node providers in 2025, offering insights into their features, pricing, supported cryptocurrencies, and ideal use cases. Whether you're building a dApp, managing digital assets, or analyzing on-chain data, selecting the right provider can significantly impact your project’s speed, scalability, and security.
What Are Blockchain Nodes?
Blockchain nodes are individual computers or servers that participate in a decentralized network by storing, validating, and relaying transaction data. Each node maintains a copy of the blockchain ledger and ensures consensus across the network.
There are two primary types of nodes:
- Full Nodes: These store the complete history of a blockchain and validate all transactions independently. They require significant storage and bandwidth but offer maximum security and decentralization.
- Light Nodes: Also known as lightweight clients, these only download block headers and request specific data when needed. They are faster and less resource-intensive but rely on full nodes for verification.
Nodes communicate with each other using peer-to-peer (P2P) protocols and can be accessed programmatically via blockchain APIs, which act as intermediaries between applications and the underlying blockchain infrastructure.
What Is a Blockchain API?
A Blockchain API (Application Programming Interface) allows developers to interact with blockchain networks without running their own nodes. These APIs enable functionalities such as querying transaction histories, sending payments, monitoring smart contracts, and retrieving real-time market data.
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Common use cases include:
- dApp development
- Crypto wallet integration
- On-chain analytics
- NFT minting platforms
- Automated trading bots
By leveraging third-party API providers, developers save time and resources while ensuring high uptime and fast response times.
The 9 Best Blockchain API and Node Providers in 2025
1. NOWNodes – Multi-Chain Full-Node Access
NOWNodes delivers full-node access across over 45 major blockchains, including Bitcoin, Ethereum, Binance Smart Chain, and Monero. It’s ideal for developers who need direct access to raw blockchain data with minimal latency.
Key Features:
- Full-node infrastructure for enhanced security
- Simple RESTful APIs for quick integration
- Global data centers for low-latency performance
- 1 Gbps connection speed
- Service Level Agreement (SLA) backed reliability
Pricing:
Free tier available with 20,000 requests per day. Paid plans start at $3 per 100,000 requests.
NOWNodes stands out for its commitment to decentralization and developer-friendly tools.
2. Coinbase – Best for Payments & Exchange Integration
Coinbase offers a robust API suite tailored for payment processing, real-time price tracking, and wallet management. It supports multiple cryptocurrencies like Bitcoin, Ethereum, Litecoin, Dogecoin, and more.
Key Features:
- Secure Node.js-based API architecture
- Easy integration with existing apps
- Multiple payment methods supported
- Strong customer support
- Real-time exchange rate data
Pricing: Free with a limit of 10,000 requests per hour.
Coinbase is an excellent choice for businesses looking to accept crypto payments or build exchange-connected applications.
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3. Bitcore – High-Speed Bitcoin Processing
Developed by BitPay, Bitcore is a full-node Bitcoin API built specifically for fast transaction processing. It uses JavaScript and supports modular extensions like wallets and block explorers.
Key Features:
- Processes over 500 transactions per second
- Modular architecture for customization
- Built-in blockchain explorer
- MEGA-BTX GPU mining algorithm
- Average block time: 2.5 minutes
Pricing: Approximately $0.2092 (varies based on usage)
Best suited for Bitcoin-focused applications requiring high throughput and reliability.
4. Blockchain.com – Leading Bitcoin API Provider
With over 25,000 developers using its platform, Blockchain.com offers one of the most trusted Bitcoin APIs. It supports wallet services, payment processing, market data queries, and exploration tools.
Key Features:
- Extensive developer community
- JSON-formatted transaction data
- Comprehensive documentation
- Historical data visualization tools
- Easy e-wallet integration
Pricing: Free to use
Ideal for startups and individual developers entering the Bitcoin space.
5. Infura – Premier Ethereum API
Infura powers around 60% of all Ethereum-based dApps, making it the go-to provider for Ethereum and IPFS access. It supports both HTTP and WebSocket connections for real-time interactions.
Key Features:
- Access to Ethereum archive nodes (premium)
- Runs on Amazon Web Services (AWS)
- Supports NFT projects and decentralized storage
- Excellent customer support
Pricing: Free tier up to 100,000 requests/day; paid plans start at $25/month
Infura remains the gold standard for Ethereum development due to its stability and scalability.
6. Factom – Secure Data Anchoring & Tokenization
Factom specializes in immutable data storage and record verification on the blockchain. It enables organizations to anchor critical documents with cryptographic proofs.
Key Features:
- Tamper-proof data storage
- Smart contract functionality
- Tokenization of digital assets
- Blockchain explorer with advanced search
- GitHub repository access for developers
Pricing: Around $1.43 per unit (usage-based)
Used heavily in legal, healthcare, and compliance sectors where audit trails are vital.
7. Nomics API – Accurate Trade Data Aggregation
Nomics provides raw trade data from over 13 major exchanges, allowing developers to detect anomalies like wash trading or price manipulation.
Key Features:
- Gapless historical trade data
- One request per second rate limit
- Customizable data feeds
- Excellent accuracy
Pricing: Free
Perfect for analytics platforms, trading algorithms, and market research tools.
8. Web3.js – Ethereum Development Library
Web3.js is not a hosted service but a JavaScript library that enables interaction with Ethereum nodes via HTTP, IPC, or WebSocket. Often used with Infura or GetBlock.
Key Features:
- Supports ERC-20 and ERC-721 tokens
- Contract wrapper generation from ABI
- Open-source and community-driven
- Full documentation available
Pricing: Free
A must-have tool for any Ethereum developer building front-end interfaces or smart contract integrations.
9. GetBlock – All-in-One Node & API Platform
GetBlock offers instant access to nodes across Bitcoin, Ethereum, Binance Smart Chain, Polygon, and more than 50 blockchains. It's designed for speed, scalability, and ease of use.
Key Features:
- High-speed 1 Gbps API endpoints
- Unlimited traffic with no hidden fees
- Private dedicated servers option
- Custom node configurations
- Detailed technical guides and SLA support
Pricing:
- "Newbie" plan: $6/month (500K requests)
- "Team" plan: $500/month (unlimited requests)
GetBlock excels as a one-stop solution for multi-chain applications needing reliable infrastructure.
Frequently Asked Questions (FAQ)
Q: What is the difference between a blockchain node and an API?
A: A node is a physical or virtual server that stores blockchain data and participates in consensus. An API is a software interface that lets applications communicate with nodes without hosting them directly.
Q: Do I need to run my own node to use blockchain technology?
A: No—API providers like Infura or GetBlock allow you to access blockchain data remotely without maintaining infrastructure.
Q: Which provider supports the most blockchains?
A: GetBlock leads with support for over 50 blockchains, followed closely by NOWNodes with 45+ networks.
Q: Are free blockchain APIs reliable?
A: Many free tiers (e.g., Coinbase, Blockchain.com) are reliable for development and low-volume usage. For production systems, consider paid plans with SLAs.
Q: Can I customize my node settings with these providers?
A: Yes—GetBlock and NOWNodes offer customizable node specifications and private server options for enterprise needs.
Q: How important is API speed for dApp performance?
A: Extremely important. Faster APIs reduce latency in transactions and queries, improving user experience—especially in DeFi or gaming dApps.
Final Thoughts
Choosing the right blockchain API or node provider depends on your project’s requirements—whether it's multi-chain support, low-latency access, cost-efficiency, or enterprise-grade reliability.
From Coinbase’s user-friendly exchange integration to Infura’s dominance in Ethereum development and GetBlock’s expansive multi-chain coverage, each provider brings unique strengths to the table. Developers now have more options than ever to build scalable, secure, and efficient blockchain applications without managing complex infrastructure.
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As blockchain adoption continues to grow across industries—from finance to supply chain to digital identity—the demand for robust API services will only increase. Staying informed about the best tools available ensures you remain competitive in this dynamic landscape.