Browse 13 BSV building blocks — SDKs, libraries, contract frameworks, and more.
A TypeScript library that implements the HandCash Machine Payments Protocol for building paid HTTP APIs on Bitcoin SV.
BSV Micropay is a TypeScript toolkit that lets any web service charge sub-cent fees per API call using Bitcoin SV, with zero billing infrastructure and zero human interaction in the payment loop.
402 Payment Protocol + token distribution crowdfunding demo
x402-BSV: a stateless, per-request settlement-gated HTTP protocol using Bitcoin SV.
Bonded sub-satoshi payment channels on BSV (post-Genesis).
WordPress plugin that lets WooCommerce accept Bitcoin SV payments directly to a self-custodied wallet, with an optional SPV-first hosted invoicing mode.
BSV service-monetization Express middleware
402 Payment Protocol helpers
Chrome extension for HTTP 402 BSV payments
Paymail TypeScript implementation
Paymail toolkit for Go (full-stack)
BSV wallet integration + payments demo
On-chain gas sponsorship for BSV — covenant-based paymaster.