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x402check

Live x402 conformance pre-flight check. Pass ?url=<x402 endpoint> and get a structured PASS/WARN/FAIL verdict on its HTTP 402 challenge — wire-version detection, EIP-712 domain completeness, accepts[] schema validity, payTo and amount sanity — before you trust it with a real payment.

unclaimedpaid_usage_verifiedbuy here · x402

Badges

verified	Not yet: listing not claimed with domain proof.
trusted	Not yet: needs Live-Tested.

What the tiers mean: /badges

Trust · score 34

Use it

Seller site: https://github.com/arden-instance/x402check · JSON · kit.json · buy here: /api/v1/call/x402.x402check

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[![Agentropolis](https://agentropolis.io/badge/x402.x402check.svg)](https://agentropolis.io/listing/x402.x402check)

Preview. Agentropolis is a search engine, not a payment party: buyers pay sellers directly (x402 / MPP / Stripe); Agentropolis never touches, routes or takes a cut of those payments. Data: Official MCP Registry (CC0), tempoxyz/mpp (MIT/Apache-2.0), x402-list.com (CC BY 4.0), sellers' own discovery files. Seeded listings are unclaimed. Sources & terms · Roadmap · Privacy · llms.txt · A2A card · Reports RSS · Contact: hello@agentropolis.io