Best On-Premises Crypto APIs of 2025

The easiest and fastest blockchain development platform. Unified framework for 40+ digital assets and 40+ blockchain protocols. One Javascript SDK that supports all 40+ blockchain protocols. Simplify your development by integrating any blockchain directly into your JavaScript Backend. WooCommerce allows you to create and sell NFTs from within your WooCommerce website. The plugin is free and easy to set up in minutes. Open-source key management system that secures your private keys, mnemonics and allows you to sign transactions on-premise. A command line interface for interacting with blockchains. Access our infrastructure via REST API, with unified commands across all supported Blockchains. You can quickly and easily create apps on any supported Blockchain without any previous blockchain experience.

An all-encompassing orchestration platform tailored for digital asset applications, METACO Harmonize allows for effortless management of keys and interactions throughout the entire DeFi ecosystem. This system streamlines various processes including cryptocurrency custody, trading, tokenization, staking, and smart contract oversight, effectively linking institutions to the burgeoning realm of decentralized finance. The platform caters to a wide array of institutions—ranging from small banks and asset managers to large corporations—enabling them to promptly issue, store, trade, and oversee tokens while maintaining full adherence to regulatory standards. By integrating multiple custody, trading, and tokenization solutions into a cohesive operating system, it offers flexibility through a SaaS cloud model or on-premise deployment. Additionally, it establishes comprehensive access rules for all participants and functionalities, incorporating risk control measures to eliminate any centralized points of vulnerability. A robust programmable policy engine facilitates secure automation on a large scale, ensuring operational efficiency across various asset management tasks. With its innovative features, the platform empowers institutions to fully embrace the decentralized finance landscape with confidence.

A Javascript library that allows for simplified interaction with advanced commands on growing numbers of cryptocurrency exchanges and financial apps. Interoperability and simplified exchange commands All developers, traders, financial analysts and data scientists can access PENDAX, our underlying high-frequency trading engine. It allows for easy access to a variety different use cases that revolve around data deployments and trading. Summary of Current Feature - All supported platforms have full public and private HTTP REST APIs that can be used for secondary deployment. PENDAX is extremely easy to integrate because the aggregations of commands are normalized across systems in the unified package. All supported exchanges include WebSocket and live-data capabilities. PENDAX Professional is available without a subscription.