{
  "schema": "csoai.x402-catalog/0.1",
  "one_line": "Verification is free forever. Agents pay per artefact: issuance, assembly, cadence — never a grade.",
  "rail": {
    "mode": "challenge-only",
    "pay_to_configured": true,
    "facilitator_configured": false,
    "note": "402 challenges are complete (asset, amount, payTo) but no facilitator is provisioned, so no receipt can settle and no paid artefact is granted. Nothing is charged. Verification stays free.",
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": {
      "symbol": "USDC",
      "contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "decimals": 6
    },
    "pay_to": "0x212686404A7D1E1fD88F35eD6200c3aF7A78ae31",
    "amounts": "only inside each resource's 402 challenge (accepts[].amount) — never on this catalog, never in prose",
    "well_known": "https://councilof.ai/.well-known/x402.json"
  },
  "tiers": [
    {
      "tier": 1,
      "id": "issuance",
      "name": "Commission a signed card (request-attestation)",
      "resource": "https://councilof.ai/api/request-attestation?subject=<id>&axis=<slug>",
      "free_preview": "https://councilof.ai/api/request-attestation?subject=<id> (the 402 body carries csoai.preview: signed cards already on file)",
      "deliverable": "one card-v0 leaf, surface ras.commission, ≤3KB payload, Ed25519 under did:web:csoai.org#board-attestation-1 when the Pages key is present (else sig_ed25519:null, declared)",
      "never": [
        "a score",
        "a rank",
        "a certificate",
        "a MEASURED cell minted by payment"
      ]
    },
    {
      "tier": 2,
      "id": "evidence_bundle",
      "name": "Evidence bundle mapped to an obligation",
      "resource": "https://councilof.ai/api/evidence-bundle?obligation=article-50|article-53|dora|cra&subject=<s>&bundle=1",
      "free_preview": "https://councilof.ai/api/evidence-bundle?obligation=<id>&subject=<s>",
      "deliverable": "OSCAL 1.1.0 assessment-results of already-signed cards (observations, relevant-to) + one manifest card-v0 (surface evidence.bundle) + the existing signed pack where one exists (/packs/eu-article-50)",
      "never": [
        "a conformity determination",
        "satisfied/not-satisfied findings",
        "a certificate"
      ]
    },
    {
      "tier": 3,
      "id": "data_feed",
      "name": "Signed data feed (assembly + cadence)",
      "resource": "https://councilof.ai/api/eunomia-data?feed=1",
      "free_preview": "https://councilof.ai/api/eunomia-data",
      "deliverable": "one feed document: signed signals index, signed First-Fine Watch, root.json, card index — each block with its published signature",
      "never": [
        "scores as a product",
        "a ranking",
        "a rating"
      ],
      "also": {
        "proof_bundle": "https://councilof.ai/api/proof?bundle=1",
        "one_inclusion_free": "https://councilof.ai/api/proof?sha=<64-hex>"
      }
    }
  ],
  "free_forever": [
    "https://councilof.ai/gspc-verify",
    "https://councilof.ai/api/gspc",
    "https://councilof.ai/root.json",
    "https://councilof.ai/api/fines",
    "https://councilof.ai/api/proof?sha=<64-hex>",
    "https://councilof.ai/methodology"
  ],
  "invariants": {
    "measurement_not_certification": "CSOAI LTD (UK 16939677) is an independent measurement body. It issues measurements and signed attestations, never certificates of conformity.",
    "never_a_grade": "No tier sells a grade, a score, a pass/fail verdict, or a place on the board.",
    "recomputable_for_free": "Every artefact is independently recomputable; a buyer pays for issuance, assembly and a durable independent signature — not for the answer.",
    "no_public_price": "Amounts appear only in a 402 challenge.",
    "financial_firewall": "No token, credit, or cash-settled index. Attestation is not tokenisation and confers no ownership."
  },
  "lid": "22 axes · 14 fleets · 3 public leaders · 8 fact runs · not a certificate",
  "explainer": "https://councilof.ai/pricing-free",
  "revenue_truth": "https://councilof.ai/api/revenue"
}