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.",
    "never": [
      "conclusion",
      "certificate",
      "grade"
    ],
    "usage": {
      "get": "https://councilof.ai/api/receipts/batch?from=<iso>&to=<iso>[&preview=1]",
      "note": "from is required; to defaults to now. preview=1 is free and returns the batch sha256 without the leaves.",
      "recent_free": [
        "https://councilof.ai/root.json",
        "https://councilof.ai/cards/<sha16>.json",
        "https://councilof.ai/api/proof?sha=<64-hex>",
        "https://councilof.ai/receipts/root-history.json"
      ]
    },
    "schema": "csoai.receipts.batch/0.1",
    "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"
    }
  },
  "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/receipts/batch?from=2026-01-01T00:00:00Z",
      "description": "Historical measurement-card batch from published roots for a requested time window, capped at 200 leaves, with inclusion paths and carrying roots. Not payment or settlement receipts.",
      "csoai_pricing": {
        "tier": "per_batch",
        "sku_id": "receipts_batch",
        "ends_at": "2026-10-11T00:00:00Z",
        "starts_at": "2026-09-11T00:00:00Z",
        "product_id": "csoai.product.receipts_batch",
        "campaign_id": "csoai-launch-30d-20260911",
        "pricing_basis": "PROMO_EXISTING_DATA",
        "normal_amount_atomic": "100000",
        "offered_amount_atomic": "10000",
        "fresh_compute_excluded": true
      },
      "maxAmountRequired": "10000",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://councilof.ai/api/receipts/batch?from=2026-01-01T00:00:00Z",
    "tags": [
      "receipts",
      "merkle",
      "history",
      "attestation",
      "x402"
    ],
    "mimeType": "application/json",
    "description": "Historical measurement-card batch from published roots for a requested time window, capped at 200 leaves, with inclusion paths and carrying roots. Not payment or settlement receipts.",
    "serviceName": "CSOAI Receipts Batch"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "from": "2026-01-01T00:00:00Z"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "kind": "batch",
            "batch": {
              "cap": 200,
              "count": 0,
              "items": [],
              "roots": [],
              "window": {
                "to": "<iso>",
                "from": "<iso>"
              }
            },
            "schema": "csoai.receipts.batch/0.1",
            "batch_sha256": "<64-hex>"
          }
        }
      },
      "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": [
                  "from"
                ],
                "properties": {
                  "to": {
                    "type": "string",
                    "format": "date-time",
                    "description": "Window end (ISO-8601). Defaults to now."
                  },
                  "from": {
                    "type": "string",
                    "format": "date-time",
                    "description": "Window start (ISO-8601). Required."
                  },
                  "preview": {
                    "type": "string",
                    "const": "1",
                    "description": "Free: count, span and the sha256 of the batch bytes, without the leaves"
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    },
    "offer-receipt": {
      "info": {
        "offers": [
          {
            "format": "jws",
            "signature": "eyJhbGciOiJFZERTQSIsImtpZCI6ImRpZDp3ZWI6Y3NvYWkub3JnI2JvYXJkLWF0dGVzdGF0aW9uLTEifQ.eyJhbW91bnQiOiIxMDAwMCIsImFzc2V0IjoiMHg4MzM1ODlmQ0Q2ZURiNkUwOGY0YzdDMzJENGY3MWI1NGJkQTAyOTEzIiwibmV0d29yayI6ImVpcDE1NTo4NDUzIiwicGF5VG8iOiIweDIxMjY4NjQwNEE3RDFFMWZEODhGMzVlRDYyMDBjM2FGN0E3OGFlMzEiLCJyZXNvdXJjZVVybCI6Imh0dHBzOi8vY291bmNpbG9mLmFpL2FwaS9yZWNlaXB0cy9iYXRjaCIsInNjaGVtZSI6ImV4YWN0IiwidmFsaWRVbnRpbCI6MTc4OTQxOTY2NSwidmVyc2lvbiI6MX0.mhr2pMVrKE1c9nU7sp4ML27kv-wAkhqWAu2_tsjsr1rZ980Vnev-2vGu5PUgiOA6W_seiIlgraqBi90keaVhBg",
            "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": "100000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 600
  }
]

Provenance

Seen in the source catalog

2026-09-07 04:59Z

Last indexed by Roundhouse

2026-09-24 11:45Z

Last enriched (probe, favicon, geo)

2026-09-14 20:46Z

x402 version

2

Max timeout

600s

Liveness probe

HTTP 402