councilof.ai

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "csoai": {
    "lid": "22 axes measured · 14 model fleets · 3 public leader scores · 8 fact runs · TIE is TIE · not a certificate.",
    "per": "asset-request",
    "rail": {
      "mode": "live",
      "note": "A settled receipt (facilitator /verify then /settle) unlocks the paid artefact. Verification of every artefact stays free.",
      "pay_to_configured": true,
      "facilitator_configured": true
    },
    "never": [
      "rating",
      "guarantee",
      "verdict",
      "rank",
      "certificate"
    ],
    "schema": "csoai.rwa-evidence/0.1",
    "catalog": "https://councilof.ai/api/x402",
    "deliverable": "one card-v0 leaf (public.notice / csoai.eater.xrpl-issuer/0.1) — the same schema as the free public-root leaf — canonical ≤3072 bytes, signed when the Pages key is present",
    "free_reader": "https://councilof.ai/api/xrpl",
    "free_preview": "https://councilof.ai/api/rwa/evidence?asset=%3Csymbol%7Cissuer_address%3E&preview=1",
    "offer_receipt": {
      "alg": "EdDSA",
      "kid": "did:web:csoai.org#board-attestation-1",
      "spec": "https://github.com/x402-foundation/x402/blob/69652a69798f0b08f95bef33318896e36e210f7e/specs/extensions/extension-offer-and-receipt.md",
      "format": "jws",
      "reason": "1 of 1 accepts entries signed",
      "signed": true,
      "verify": "base64url-decode the JWS payload part, fetch https://csoai.org/.well-known/did.json, take the publicKeyJwk.x of the verificationMethod whose id equals the header kid, and verify Ed25519 over `header.payload`. POST the compact string to /api/receipts/verify to have us do it, or run scripts/verify_receipt.py to do it without us.",
      "extension": "offer-receipt",
      "spec_commit": "69652a69798f0b08f95bef33318896e36e210f7e"
    },
    "not_paid_reason": "no x-payment header"
  },
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "symbol": "USDC",
        "version": "2",
        "decimals": 6
      },
      "payTo": "0x212686404A7D1E1fD88F35eD6200c3aF7A78ae31",
      "amount": "10000",
      "scheme": "exact",
      "network": "eip155:8453",
      "mimeType": "application/json",
      "resource": "https://councilof.ai/api/rwa/evidence?asset=%3Csymbol%7Cissuer_address%3E",
      "description": "A signed XRPL evidence card for <asset>: AccountRoot flags, Domain, two-way TOML check, and cited raw-fetch hashes. Historical state — not a rating or a guarantee.",
      "csoai_pricing": {
        "tier": "per_request",
        "sku_id": "request_attestation",
        "ends_at": "2026-10-11T00:00:00Z",
        "starts_at": "2026-09-11T00:00:00Z",
        "product_id": "csoai.product.request_attestation",
        "campaign_id": "csoai-launch-30d-20260911",
        "pricing_basis": "PROMO_EXISTING_DATA",
        "normal_amount_atomic": "20000",
        "offered_amount_atomic": "10000",
        "fresh_compute_excluded": true
      },
      "maxAmountRequired": "10000",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://councilof.ai/api/rwa/evidence?asset=%3Csymbol%7Cissuer_address%3E",
    "tags": [
      "rwa",
      "xrpl",
      "evidence",
      "attestation",
      "x402"
    ],
    "mimeType": "application/json",
    "description": "A signed XRPL evidence card for <asset>: AccountRoot flags, Domain, two-way TOML check, and cited raw-fetch hashes. Historical state — not a rating or a guarantee.",
    "serviceName": "CSOAI RWA Evidence"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "asset": "RLUSD"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "schema": "https://councilof.ai/schema/card-v0.json",
            "sha256": "<hex>",
            "payload": {
              "kind": "csoai.eater.xrpl-issuer/0.1",
              "state": "PROBED",
              "account_root": {
                "flags_decoded": {}
              },
              "inputs_sha256": "<hex>",
              "onchain_obligation": {}
            },
            "subject": "XRPL <SYMBOL> (<issuer>) two-way domain <PASS|FAIL|UNCHECKABLE> + on-chain obligation",
            "surface": "public.notice",
            "unmeasured": [],
            "sig_ed25519": "<hex or null>"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "required": [
                  "asset"
                ],
                "properties": {
                  "asset": {
                    "type": "string",
                    "description": "XRPL issued-asset symbol (see /api/xrpl) or issuer r-address"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
          {
            "format": "jws",
            "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6Y3NvYWkub3JnI2JvYXJkLWF0dGVzdGF0aW9uLTEifQ.eyJhbW91bnQiOiIxMDAwMCIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwibmV0d29yayI6ImVpcDE1NTo4NDUzIiwicGF5VG8iOiIweDIxMjY4NjQwNEE3RDFFMWZEODhGMzVlRDYyMDBjM2FGN0E3OGFlMzEiLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vY291bmNpbG9mLmFpL2FwaS9yd2EvZXZpZGVuY2UiLCJzY2hlbWUiOiJleGFjdCIsInZhbGlkVW50aWwiOjE3ODk0MTk2NjUsInZlcnNpb24iOjF9.-mvtZAnRGUY1rUV4bAHuL3HFo52_nT5kj-jo-ajWbkBjov-b37M0Bj_nqN8uKOdN3M7WBbJJM9ZLj-I3vpvlAQ",
            "acceptIndex": 0
          }
        ]
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "offers"
        ],
        "properties": {
          "offers": {
            "type": "array",
            "items": {
              "type": "object",
              "required": [
                "format",
                "signature"
              ],
              "properties": {
                "format": {
                  "type": "string",
                  "const": "jws"
                },
                "signature": {
                  "type": "string",
                  "description": "JWS compact serialization containing the offer payload"
                },
                "acceptIndex": {
                  "type": "integer"
                }
              }
            }
          }
        }
      }
    }
  },
  "x402Version": 2
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "symbol": "USDC",
      "version": "2",
      "decimals": 6
    },
    "payTo": "0x212686404A7D1E1fD88F35eD6200c3aF7A78ae31",
    "amount": "20000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 600
  }
]

Provenance

Seen in the source catalog

2026-09-07 04:58Z

Last indexed by Roundhouse

2026-09-24 07:45Z

Last enriched (probe, favicon, geo)

2026-09-14 20:46Z

x402 version

2

Max timeout

600s

Liveness probe

HTTP 402