402-pay

402 Payment Protocol helpers

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#402 #payments #protocol

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Helper library implementing the 402 Payment Protocol pattern for BSV-paywalled APIs.

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Supported languages

TypeScript

BRC compliance

N/A

Token protocols

N/A

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Other Open payment protocols

handcash-mpp

A TypeScript library that implements the HandCash Machine Payments Protocol for building paid HTTP APIs on Bitcoin SV.

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Maintained by

BSV Association

CategoryPayments

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BSV Micropay Middleware

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.

Crowdfunding Platform

402 Payment Protocol + token distribution crowdfunding demo

X

x402-BSV — Stateless Settlement-Gated HTTP Protocol

x402-BSV: a stateless, per-request settlement-gated HTTP protocol using Bitcoin SV.

Sub-categoryOpen payment protocols

LicenseOpen BSV License

Maturityproduction

Networksmainnet

UpdatedJun 19, 2026

AddedMay 4, 2026

npm install @bsv/402-pay

npm install @bsv/402-pay

402-pay

Install

Supported languages

BRC compliance

Token protocols

Share this block

Other Open payment protocols

Share 402-pay

Install

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