Best Free Blockchain APIs of 2025 - Page 2

SoChain serves as a blockchain explorer that allows cryptocurrency enthusiasts to delve into the Bitcoin blockchain along with various other blockchains. In addition to exploration, SoChain provides APIs that facilitate development. Their swift blockchain API stands out as an affordable and user-friendly option for creating applications compatible with Bitcoin, Litecoin, Dogecoin, Zcash, and Dash. For those in the development community, SoChain also presents Test Networks, offering a sandbox environment to experiment and innovate. While currency transactions are the most recognized application of blockchain technology, there is a vast potential for future developments. SoChain is dedicated to empowering users to shape the future of blockchain technology. This API is not only fast but also available for free. Should you require additional features or have a substantial number of API calls to make, don’t hesitate to reach out—we're always ready to assist. Accessing the SoChain API is straightforward, and regardless of the programming language you prefer, you can easily interact with our REST API using any HTTP adapter. For Ruby or Ruby on Rails users, we suggest utilizing the HTTPClient gem for seamless integration, ensuring that developers have the tools they need for a smooth experience.

Zabo serves as an API designed for seamless connectivity with any cryptocurrency exchange, wallet, protocol, or account. Within a few short hours, your users can unlock an expansive range of cryptocurrency accounts seamlessly integrated into your application. By utilizing Zabo's API, integration times can be slashed by as much as 80%, all while requiring minimal engineering resources compared to traditional methods. Typically, the process of supporting various exchanges, wallets, and protocols can drag on for months, but with Zabo, you can achieve a complete integration in just one afternoon. Furthermore, Zabo is continually expanding its support for new exchanges, wallets, and protocols, ensuring that your users have access to the latest offerings. What sets Zabo apart is its ability to deliver consistent data formatting across all connections, which guarantees your application exceptional reliability and uniformity in data handling. This feature not only enhances user experience but also streamlines development for your team, making it a valuable tool in the ever-evolving world of cryptocurrency.

If your expenditures exceed $2,000 on a blockchain API infrastructure and you are generating numerous requests each second, exploring avenues for cost efficiency could be beneficial. This is where our services come into play, offering rapid access to blockchain infrastructure via a JSON-RPC endpoint tailored to your secure environment. How can RPC Fast, a self-managed cluster featuring geo-distributed blockchain nodes, assist you in this endeavor? - Our infrastructure is exceptionally fast, boasting over 90 distributed zones with nodes that maintain a 100% health status. - We guarantee an impressive uptime of 99.99% and an average latency of just 85.6 milliseconds from virtually anywhere. - At the core of our service lies PredictKube, an AI-driven model designed to anticipate traffic patterns and automatically adjust infrastructure capabilities based on your historical data and business metrics. - Additionally, our self-hosted solution guarantees the utmost security for your blockchain infrastructure, ensuring that your operations remain protected while you optimize costs. With these features, you can enhance performance while effectively managing your expenses.

The 1inch Developer Portal, powered by the 1inch Labs, is a cloud SaaS (software as a service) platform for Web3 tools and services. The platform offers multiple advantages. The 1inch Aggregation Protocol facilitates price transparency and access to practically unlimited liquidity on many blockchains. Meanwhile, the Pathfinder algorithm discovers the most efficient paths for token swaps, enabling splits between different protocols and gas optimization to ensure the best possible swap rates. Another major advantage of 1inch APIs is a very short response time of below 400 ms, which is one of the best offerings on the market. Thanks to innovative gas optimization features, developers integrating 1inch APIs can offer their users substantial gas savings. Finally, 1inch APIs provide aggregated market data for self-custodial order executions. The currently available APIs are: Swap, Balance, Transaction Gateway, Orderbook, Traces, Fusion, Spot Price, Token, Portfolio, NFT, Gas Price.

The Impervious API acts as a programmatic interface that operates above the Bitcoin Lightning Network, often referred to as "Layer 3." By utilizing the Impervious API, developers can seamlessly incorporate secure peer-to-peer data exchanges and payment functionalities into their applications and services. 1. Authentic peer-to-peer interactions, reminiscent of the original vision for the Internet 2. Resistant to censorship and surveillance efforts 3. End-to-end encryption by default 4. Integrated payment solutions With the IMP API, we simplify the process for developers to embed cryptographically secure payments and data transfers in a peer-to-peer manner. Through Impervious, applications and services can effectively adopt and enhance the p2p internet experience, fostering a more decentralized online environment for all users.

Our collection of highly available APIs and developer resources ensures that you have swift and dependable access to the Cardano network, allowing you to concentrate on the development and expansion of your products. Streamline your efforts by connecting your application with just a single line of code, eliminating the need for complex setups or syncing. We strive to deliver the most user-friendly and trustworthy Cardano infrastructure, enabling you to dedicate more time to engaging with your users and addressing their needs. Leverage the capabilities of our cloud-hosted, globally distributed node network, which significantly reduces the burden of managing your own computing and storage, thereby making it easier for both developers and businesses to get started. Our intuitive dashboard presents you with clear insights into your application's performance and API usage, allowing you to explore detailed analytics related to specific request methods, response times, frequently accessed endpoints, usage fluctuations throughout the day, and geographic data. With these valuable insights at your disposal, you can enhance your application’s efficiency and gain a deeper understanding of your user base, ultimately driving your success forward. This combination of robust tools and analytics positions you to create innovative solutions that truly resonate with your audience.

Stocra offers a cryptocurrency API that allows users to retrieve transaction data from various blockchains in a consistent format. By utilizing this service, you can seamlessly access transactions from Bitcoin, Ethereum (which encompasses ERC-20 transfers), Cardano, Dogecoin, Litecoin, and Aptos without the hassle of dealing with different blockchain-specific parsers. This unified approach simplifies the process of managing and analyzing cryptocurrency transactions across multiple networks. Now you can focus on your project without worrying about the intricacies of each blockchain's data structure!

Launch your upcoming blockchain venture effortlessly with Chain49! We offer seamless access to our extensive network of full blockchain nodes based in Germany through JSON-RPC, WebSocket, and a reliable API powered by the proven Blockbook indexer. Our support extends to a variety of popular blockchains, including Bitcoin, Ethereum, BNB Smart Chain, and many others! Utilizing our services allows you to significantly reduce the time and financial investment typically required to establish your own blockchain infrastructure, enabling you to concentrate on bringing your innovative ideas to life. For those with demanding requirements, we also provide dedicated nodes and tailored setups across more than 50 different blockchains, ensuring you can handle the highest loads without facing any rate limits. Reach out to us today for a complimentary consultation, or sign up for a free key to embark on your exciting building journey! Additionally, we’re here to help you navigate the complexities of blockchain technology and support your project every step of the way.