Domain Arrivals
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Featured in Domain Arrivals · 2026-08-15

PunchOut Sandbox: an independent referee for cXML integrations

punchoutsandbox.com ↗ · Developer Corner · score 84.0
○Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content ✦Pretty: notable design, copy, craft, or presentation ◆Pro: polished, finished-feeling, serious, or operationally mature ◇Niche: specific audience, workflow, or unusually focused use case ◉Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

A free hosted virtual supplier for testing buyer-side PunchOut and OCI flows with real cXML requests, catalogues, carts, orders, and fulfilment documents.

Why it surfaced

PunchOut Sandbox addresses a specific testing blind spot: round-tripping your own build can prove that two halves agree while still missing a standards mistake. It offers a 96-product catalogue, document validation against cXML DTDs, buyer-platform ingestion tests, and unusually candid reference material on truncation, pricing, VAT, SAP OCI, and other failures.

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The Two-Tonne Temperature Problem

August 15’s newborn domains include a live-aboard hydrogen airship with a two-tonne lift problem, a Japanese toolbox that explains its assumptions, an advisory-by-advisory Hawaiʻi hurricane archive, and a wedding-gift game about ungrateful poultry.

This is one of 1,000 discoveries in the 2026-08-15 Domain Arrivals issue.

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More from Developer Corner

Three more arrivals

Airship.diy: an open notebook for a live-aboard hydrogen airship airship.diy

A detailed engineering model for a hydrogen airship designed to house two people for a year, run on sunlight and fuel cells, and land on water.

 Videola, the video editor that counts in flicks videola.app

A browser-based video editor built around a Rust core, with desktop, mobile, Docker, and self-hosted versions.

 Is it DNS? A live resolver health board and domain auditor isitdns.org

A public DNS toolkit that monitors resolver health, audits domains, runs comparative dig queries, and teaches the concepts behind them.