agents.factstamp.dev

Live 402 challenge

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

{
  "name": "FactStamp",
  "note": "Pay per call in USDC on Base, or redeem a prepaid pack and send it as a bearer token.",
  "tool": "check_entity_file_ca",
  "error": "This path answers a GET/HEAD probe with its price rather than a refusal: the terms below are the ones a POST is charged against, at this same resource. Send POST to buy.",
  "packs": "https://agents.factstamp.dev/packs",
  "limits": [
    "Canada only: one company per call, read from Corporations Canada (federal corporation register).",
    "Not returned: search by company NAME — the public endpoint is keyed by the nine-digit Business Number only.",
    "Not returned: director and officer NAMES — only the NUMBER of directors is published, not the people.",
    "Not returned: shareholders and beneficial owners (not public).",
    "And 2 further limits on the answer's own limits list.",
    "unknown is a valid answer and is not charged."
  ],
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32",
      "amount": "250000",
      "scheme": "exact",
      "network": "eip155:8453",
      "mimeType": "application/json",
      "resource": "https://agents.factstamp.dev/ca/entity-file",
      "description": "Canadian company lookup and federal corporation register check by nine-digit Business Number (BN), when signing, onboarding or paying a counterparty: one corporation file in six sections, read live from Corporations Canada. Corporation number, BN, governing legislation, every registered name, status, registered address, the minimum and maximum NUMBER of directors rather than their names, and annual returns. Keyed by BN, so a name alone cannot reach it. Returns found, not_found or unknown.",
      "serviceName": "FactStamp",
      "maxAmountRequired": "250000",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": "https://agents.factstamp.dev/ca/entity-file",
  "discovery": "https://agents.factstamp.dev/.well-known/x402",
  "price_usd": 0.25,
  "uncharged": "unknown is a valid answer: a call that returns no answer is not charged on a pack.",
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "query": "106679285"
          },
          "type": "http",
          "method": "POST",
          "bodyType": "application/json"
        },
        "output": {
          "type": "json",
          "example": {
            "tool": "check_entity_file_ca",
            "price": {
              "per": "call",
              "currency": "USDC",
              "list_price_usd": 0.25,
              "amount_base_units": "250000"
            },
            "query": {
              "input": "106679285",
              "jurisdiction": "CA"
            },
            "country": "CA",
            "verdict": "found",
            "accepted": 1,
            "coverage": {
              "complete": true,
              "consulted": [
                "ca_register"
              ],
              "not_consulted": []
            },
            "sections": [
              {
                "n": 1,
                "id": "corporation_identity",
                "title": "Corporation identity",
                "status": "answered"
              },
              {
                "n": 2,
                "id": "corporation_names",
                "title": "Corporation names",
                "status": "answered"
              },
              {
                "n": 3,
                "id": "register_status",
                "title": "Register status",
                "status": "answered"
              },
              {
                "n": 4,
                "id": "registered_address",
                "title": "Registered address",
                "status": "answered"
              },
              {
                "n": 5,
                "id": "directors_count",
                "title": "Number of directors",
                "status": "answered"
              },
              {
                "n": 6,
                "id": "annual_returns_and_dates",
                "title": "Annual returns and dated activity",
                "status": "answered"
              }
            ],
            "file_scope": "one_country",
            "file_version": 1,
            "jurisdiction": "Canada"
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input",
          "output"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "body": {
                "type": "object"
              },
              "type": {
                "const": "http"
              },
              "method": {
                "const": "POST"
              },
              "bodyType": {
                "const": "application/json"
              }
            },
            "additionalProperties": true
          },
          "output": {
            "type": "object",
            "required": [
              "type",
              "example"
            ],
            "properties": {
              "type": {
                "const": "json"
              },
              "example": {
                "type": "object"
              }
            },
            "additionalProperties": true
          }
        },
        "additionalProperties": false
      }
    }
  },
  "description": "FactStamp — Canadian company lookup and federal corporation register check by nine-digit Business Number (BN), when signing, onboarding or paying a counterparty: one corporation file in six sections, read live from Corporations Canada. Corporation number, BN, governing legislation, every registered name, status, registered address, the minimum and maximum NUMBER of directors rather than their names, and annual returns. Keyed by BN, so a name alone cannot reach it. Returns found, not_found or unknown.",
  "x402Version": 2,
  "what_you_get": "Every answer is dated, names the publisher it cites, and carries a receipt that verifies offline without calling us again.",
  "sample_answers": "https://agents.factstamp.dev/samples",
  "zero_knowledge": {
    "buys": "A salted commitment in the receipt, which proves what you bought and opens to nobody else.",
    "page": "https://agents.factstamp.dev/ledger/zero-knowledge",
    "price": {
      "usd": 25,
      "atomic": "25000000",
      "currency": "USDC"
    },
    "option": "zero_knowledge",
    "accepts": [
      {
        "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        "extra": {
          "name": "USD Coin",
          "version": "2"
        },
        "payTo": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32",
        "amount": "25250000",
        "scheme": "exact",
        "network": "eip155:8453",
        "mimeType": "application/json",
        "resource": "https://agents.factstamp.dev/ca/entity-file",
        "description": "Canadian company lookup and federal corporation register check by nine-digit Business Number (BN), when signing, onboarding or paying a counterparty: one corporation file in six sections, read live from Corporations Canada. Corporation number, BN, governing legislation, every registered name, status, registered address, the minimum and maximum NUMBER of directors rather than their names, and annual returns. Keyed by BN, so a name alone cannot reach it. Returns found, not_found or unknown. Zero knowledge: the ledger entry is blind.",
        "maxAmountRequired": "25250000",
        "maxTimeoutSeconds": 300
      }
    ],
    "available": true,
    "publishes": [
      "entry_id",
      "day",
      "price",
      "scheme",
      "network"
    ],
    "withholds": [
      "the door this call was sold at",
      "the request and any fingerprint of it",
      "the answer and any fingerprint of it",
      "the receipt signature",
      "the payer's wallet address"
    ],
    "not_hidden": "The USDC transfer itself is public chain data: the payment rail is not ours, so when and how much you paid stays visible. What the option hides is what you asked.",
    "select_with": {
      "header": "x-factstamp-privacy: zero_knowledge",
      "body_field": "privacy: \"zero_knowledge\""
    },
    "included_state": {
      "option": "public_ledger",
      "sold_as": "Included in the door price. The call is appended to the public FactStamp Ledger with a fingerprint of the request, a fingerprint of the answer and the door name.",
      "price_added_usd": 0,
      "price_added_atomic": "0"
    },
    "total_per_call": {
      "usd": 25.25,
      "atomic": "25250000",
      "currency": "USDC",
      "door_price_usd": 0.25,
      "door_price_atomic": "250000"
    },
    "added_to_door_price_atomic": "25000000"
  },
  "amount_base_units": "250000"
}

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",
      "version": "2"
    },
    "payTo": "0xc3bcd24a2b350cc73b8516b2a0539a323b42cc32",
    "amount": "250000",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://agents.factstamp.dev/ca/entity-file",
    "description": "Canadian company lookup and federal corporation register check by nine-digit Business Number (BN), when signing, onboarding or paying a counterparty: one corporation file in six sections, read live from Corporations Canada. Corporation number, BN, governing legislation, every registered name, status, registered address, the minimum and maximum NUMBER of directors rather than their names, and annual returns. Keyed by BN, so a name alone cannot reach it. Returns found, not_found or unknown.",
    "serviceName": "FactStamp",
    "maxAmountRequired": "250000",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "query": "106679285"
        },
        "type": "http",
        "method": "POST",
        "bodyType": "application/json"
      },
      "output": {
        "type": "json",
        "example": {
          "tool": "check_entity_file_ca",
          "price": {
            "per": "call",
            "currency": "USDC",
            "list_price_usd": 0.25,
            "amount_base_units": "250000"
          },
          "query": {
            "input": "106679285",
            "jurisdiction": "CA"
          },
          "country": "CA",
          "verdict": "found",
          "accepted": 1,
          "coverage": {
            "complete": true,
            "consulted": [
              "ca_register"
            ],
            "not_consulted": []
          },
          "sections": [
            {
              "n": 1,
              "id": "corporation_identity",
              "title": "Corporation identity",
              "status": "answered"
            },
            {
              "n": 2,
              "id": "corporation_names",
              "title": "Corporation names",
              "status": "answered"
            },
            {
              "n": 3,
              "id": "register_status",
              "title": "Register status",
              "status": "answered"
            },
            {
              "n": 4,
              "id": "registered_address",
              "title": "Registered address",
              "status": "answered"
            },
            {
              "n": 5,
              "id": "directors_count",
              "title": "Number of directors",
              "status": "answered"
            },
            {
              "n": 6,
              "id": "annual_returns_and_dates",
              "title": "Annual returns and dated activity",
              "status": "answered"
            }
          ],
          "file_scope": "one_country",
          "file_version": 1,
          "jurisdiction": "Canada"
        }
      }
    },
    "schema": {
      "type": "object",
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "required": [
        "input",
        "output"
      ],
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method"
          ],
          "properties": {
            "body": {
              "type": "object"
            },
            "type": {
              "const": "http"
            },
            "method": {
              "const": "POST"
            },
            "bodyType": {
              "const": "application/json"
            }
          },
          "additionalProperties": true
        },
        "output": {
          "type": "object",
          "required": [
            "type",
            "example"
          ],
          "properties": {
            "type": {
              "const": "json"
            },
            "example": {
              "type": "object"
            }
          },
          "additionalProperties": true
        }
      },
      "additionalProperties": false
    }
  }
}

Provenance

Seen in the source catalog

2026-10-24 03:44Z

Last indexed by Roundhouse

2026-10-26 17:50Z

Last enriched (probe, favicon, geo)

2026-10-24 04:16Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402