Domain Arrivals
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Featured in Domain Arrivals · 2026-08-18

402 Arcade, an API arcade for autonomous agents

402arcade.xyz ↗ · Developer Corner · score 79.0
○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 set of 12 pay-per-call micro-APIs for AI agents, covering Base blockchain data, DEX quotes, token screening, identity resolution, and webpage conversion.

Why it surfaced

402 Arcade replaces API keys and account systems with HTTP 402 payment instructions: an agent sends a request, pays roughly $0.003–$0.02 in USDC on Base, and retries for the result. Its endpoint list—from token rug checks to webpage-to-PDF conversion—makes a concrete case for machine clients buying small pieces of capability on demand.

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The Plotter’s 09:30 Shift

August 18’s newborn domains include an obsolete pen plotter clocking in at 09:30, emergency warnings designed for sight, touch, or hearing, a funeral-folder tool calibrated for printer drift, and photographs of Colombian rental signs turned into a housing map.

This is one of 1,000 discoveries in the 2026-08-18 Domain Arrivals issue.

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