Enables developers to build secure smart contracts and decentralized applications on Bitcoin through the Stacks blockchain with comprehensive developer tools and APIs.
Last updated Feb 8, 2026
Leading developer tools provider for Stacks/Bitcoin ecosystem
Hiro Systems is not an AdTech company. It is a blockchain infrastructure and developer tools company focused on the Stacks blockchain ecosystem. Hiro builds software development kits, APIs, and tools that enable developers to create smart contracts and decentralized applications (dApps) that leverage Bitcoin's security through the Stacks layer. The company's products include the Clarinet development environment, Stacks blockchain APIs, and various developer tools for Web3 applications. Hiro operates in the blockchain/cryptocurrency infrastructure space, serving developers building on Bitcoin and Stacks, and has no presence or relevance in the advertising technology industry. Their business model centers on providing open-source tools and enterprise-grade infrastructure for blockchain developers rather than any advertising, marketing, or ad-tech related services.
Local development environment for writing and testing Clarity smart contracts
RESTful API for interacting with the Stacks blockchain
Managed infrastructure and APIs for building on Stacks
JavaScript libraries for building Stacks applications