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  "domain": "agent-economy",
  "title": "Agent Payment Protocol 四者比較マトリクス 2026 · AP2 / x402 / Skyfire / Nevermined plus ERC-7715 + Lit PKP",
  "entry_type": "wiki_entry",
  "frontmatter": {
    "title": "Agent Payment Protocol 四者比較マトリクス 2026 · AP2 / x402 / Skyfire / Nevermined plus ERC-7715 + Lit PKP",
    "aliases": [
      "agent-payment-protocol-four-way-comparison-2026",
      "agent payment protocol four-way comparison 2026",
      "ap2 x402 skyfire nevermined comparison",
      "agent payment rail comparison 2026",
      "agent payment six-axis matrix"
    ],
    "domain": "agent-economy",
    "type": null,
    "created": "2026-05-25",
    "last_updated": "2026-07-29",
    "last_tended": "2026-07-29",
    "review_by": "2026-10-27",
    "confidence": "likely",
    "tags": [
      "agent-economy",
      "matrix",
      "payment",
      "ap2",
      "x402",
      "skyfire",
      "nevermined",
      "erc-7715",
      "lit-protocol",
      "pkp",
      "comparison"
    ],
    "status": "active",
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    "note": null,
    "sources": [
      "https://x402.org/",
      "https://github.com/coinbase/x402",
      "https://cloud.google.com/blog/products/ai-machine-learning/announcing-agent-payments-protocol-ap2",
      "https://www.skyfire.xyz/",
      "https://docs.skyfire.xyz/",
      "https://nevermined.io/",
      "https://docs.nevermined.io/",
      "https://eips.ethereum.org/EIPS/eip-7715",
      "https://litprotocol.com/",
      "https://developer.litprotocol.com/",
      "https://developers.cloudflare.com/",
      "https://aws.amazon.com/bedrock/agentcore/",
      "https://stripe.com/newsroom",
      "https://usa.visa.com/visa-everywhere/innovation/agentic-commerce.html",
      "https://fidoalliance.org/"
    ]
  },
  "summary": "This entry sits under agent-economy index. Read it against AI Agent 決済プロトコル全体図 · 7プロトコル俯瞰 for the broader seven-protocol landscape, agent protocol mainnet adoption 2026 for production-readiness deltas, and commoditization thesis for the value-capture trajectory. For protocol-specific deep dives see",
  "headings": [
    "Agent Payment Protocol 四者比較マトリクス 2026 · AP2 / x402 / Skyfire / Nevermined plus ERC-7715 + Lit PKP",
    "TL;DR",
    "Wiki route",
    "Why this matrix matters",
    "Per-protocol sections",
    "AP2 (Google + FIDO/AAIF)",
    "x402 (Coinbase + Cloudflare + AWS)",
    "Skyfire (Visa + closed-loop card-network issuer)",
    "Nevermined (compute / inference marketplace)",
    "ERC-7715 (subscription / permission scope, supplementary)"
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