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witness

Independent fact + signed receipt via x402. Free POST /quote then pay POST /witness twice for the same method ($0.02 ceiling). Base and Solana USDC.

unclaimedpaid_usage_verifiedbuy here · x402

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

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Trust · score 41

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Seller site: https://witness.outbid.sh · JSON · kit.json · buy here: /api/v1/call/x402.witness

Data source: x402-list.com (CC BY 4.0)

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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