How much do MPP buyers pay sellers?

Machine Commerce Reality Index #003 · Published

The short answer

It remains an open question. One public register reports a small total across the MPP servers it tracks for a recent thirty-day period, and how much of that buyers paid sellers is not established.

As published in the issue

For the Machine Payments Protocol (MPP), a second way for software to pay for a web request, MPPscan reported about $7,400 across 295 servers for the 30 days to 5 November. How much MPP buyers paid sellers remains an open question.

The sentence above is quoted from a published issue and is not re-written here. Its date, its population and the record behind it are below.

What we measured

One dated read of the register's own published total, attributed to the register that published it. The issue's own payment readings are of x402 payment addresses on Base.

What the evidence shows

Sealed days behind the archive figures
31
Observations in that window
412,533
Issue
Machine Commerce Reality Index: #003 — October 2026
Published
31 days

2026-10-01 · 2026-10-02 · 2026-10-03 · 2026-10-04 · 2026-10-05 · 2026-10-06 · 2026-10-07 · 2026-10-08 · 2026-10-09 · 2026-10-10 · 2026-10-11 · 2026-10-12 · 2026-10-13 · 2026-10-14 · 2026-10-15 · 2026-10-16 · 2026-10-17 · 2026-10-18 · 2026-10-19 · 2026-10-20 · 2026-10-21 · 2026-10-22 · 2026-10-23 · 2026-10-24 · 2026-10-25 · 2026-10-26 · 2026-10-27 · 2026-10-28 · 2026-10-29 · 2026-10-30 · 2026-10-31

All 31 days behind these figures (1–31 Oct 2026) are sealed, each with its published hash on the Integrity page; each date opens that day's manifest.

The published chain heads · Read the issue · Answers

What this does not say

Method and reproduction

The runs behind the figures, the record each one produced, and the terms this question uses.

What ran, when, and the record it produced.

What ranWhenRecord hash
The extraction over those saved responses: each register's own trailing totals and each catalogue's own rule for listing and removal, with the excerpt each was read from, refusing a response that no longer hashes to the read.f52d7836d0a3eef1dd0d3200f8971ca204ec3291ee4c89c924c87462d27ae981

The terms

The terms this question uses are defined in the glossary.

MPP · buyer · seller

Corrections and disputes

This answer names a party we measure. The route to dispute a reading is on the corrections page.

Corrections to this issue are on the corrections register, and this answer reads from the record rather than from a copy.

The corrections register