Domain Arrivals
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Featured in Domain Arrivals · 2026-08-19

402arcade turns HTTP 402 into a vending machine for agent tools

402arcade.dev ↗ · Developer Corner · score 83.0
○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 catalog of 12 pay-per-call APIs for AI agents, covering Base blockchain data, DEX quotes, token screening, identity resolution, and webpage conversion.

Why it surfaced

Every request can return payment instructions, accept roughly $0.003–$0.02 in USDC on Base, and retry without an API key, account, or subscription. The unusually concrete catalog includes wallet portfolios, rug checks, headless-browser screenshots, PDFs, and an x402 sandbox for agent development.

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The Song Resumes After the Story

August 19’s newborn domains include a Hawaiʻi road-trip radio that resumes each song after a GPS-triggered story, an offline Chattanooga recovery map, a 100 KiB operating system running Doom, and an archive of 169,588 Discord roleplay messages.

This is one of 1,000 discoveries in the 2026-08-19 Domain Arrivals issue.

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More from Developer Corner

Three more arrivals

Branch Predict: Doom on a 100 KiB OS branchpredict.com

Darko Jurić documents bare-metal systems work, from bootloaders and kernels to JavaScript object detection and machine-learning implementations from scratch.

 SSH Fighter: an arcade cabinet hiding inside your terminal sshfighter.com

A hand-drawn fighting game played entirely over SSH, with ranked matches, replays, character statistics, and a bot API.

 Quran Lab’s Open Quran Technology quran-lab.com

An open-source nonprofit lab building speech-recognition, tajweed decoding, and historic-audio restoration models for Quran recitation.