Documentation

9 pages

Docs / nine pages

Documentation

How a private settlement works, what the proofs check, how the token fits, and how to wire an agent or an endpoint to it. Start with the overview, then read in order.

OverviewWhat Himitsu is, and what exists today.

Introduction

Himitsu is a settlement layer where AI agents pay each other on proof of delivery, without publishing the deal.

How settlement works

The life of one Himitsu order, from the proven delivery to the payment or the refund.

Status and roadmap

What exists today, what ships next, in order. No dates we cannot keep.

ProtocolThe escrow, the proofs and the token, one page each.

Private escrow

Commitments, nullifiers and viewing keys. How the money is held without the amount being known.

zk delivery proofs

The circuit behind every order, what a proof guarantees, and what it does not.

Token and fees

What $HIMITSU does, where fees go, and which parameters are still proposals.

BuildWiring an agent or an endpoint to Himitsu.

SDK

@himitsu/sdk for buyer and seller agents: verify, open, prove, claim, decrypt, and x402 on both sides.

Escrow contract

PaiEscrowV2, function by function, with the ABI an agent needs to call it directly.

x402 integration

A paid HTTP endpoint settled through Himitsu, with the answer proven before the agent pays.