houjin.agentic-jp.com

Live 402 challenge

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

{
  "hint": "Send an x402 payment to access this endpoint. See /.well-known/x402.",
  "tags": [
    "japan",
    "jp",
    "corporate",
    "houjin",
    "company",
    "registry",
    "kyc"
  ],
  "method": "GET",
  "service": "Japan Corporate-Number (法人番号) API",
  "endpoint": "GET /corporation/:number",
  "description": "Look up one Japanese (JP) company by its 13-digit corporate number (法人番号) — official trade name (Japanese and registered English), registered address, postal code, corporation kind, and lifecycle status. `status` is \"active\" or \"closed\"; a closed record carries the closure cause/date and the successor's 法人番号 after a merger. Sourced from the 国税庁 (National Tax Agency) corporate-number public dataset. The leading check digit is validated before lookup.",
  "data_attribution": "Powered by 国税庁法人番号公表サイト (National Tax Agency of Japan). 商用利用可・出典表示。"
}

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",
      "resource": "https://houjin.agentic-jp.com/corporation/:number"
    },
    "payTo": "0x38c9F689274E2fC3AE360744eF88ce212077a584",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "resource": "https://houjin.agentic-jp.com/corporation/:number"
    },
    "payTo": "0x38c9F689274E2fC3AE360744eF88ce212077a584",
    "amount": "2000",
    "scheme": "exact",
    "network": "eip155:137",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "BFK9TLC3edb13K6v4YyH3DwPb5DSUpkWvb7XnqCL9b4F",
      "resource": "https://houjin.agentic-jp.com/corporation/:number"
    },
    "payTo": "2BTzdCAcCLaNA2SSZ1YjJvTtscNCpUMUEjLY3LyBpNMk",
    "amount": "2000",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "pathParams": {
          "number": ":number"
        },
        "queryParams": {}
      },
      "output": {
        "type": "json",
        "example": {
          "city": "港区",
          "name": "国立印刷局",
          "status": "active",
          "street": "虎ノ門二丁目2番5号",
          "name_en": null,
          "corp_kind": "101",
          "name_kana": null,
          "address_en": null,
          "close_date": null,
          "prefecture": "東京都",
          "change_date": "2015-10-05",
          "close_cause": null,
          "postal_code": "1058445",
          "update_date": "2018-04-02",
          "address_full": "東京都港区虎ノ門二丁目2番5号",
          "process_kind": "01",
          "assignment_date": "2015-10-05",
          "corp_kind_label": "National government agency",
          "prefecture_code": "13",
          "corporate_number": "7000012050002",
          "close_cause_label": null,
          "successor_corporate_number": 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"
              ],
              "type": "string"
            },
            "pathParams": {
              "type": "object",
              "required": [
                "number"
              ],
              "properties": {
                "number": {
                  "type": "string",
                  "description": "A 13-digit Japanese corporate number (法人番号). Hyphens/spaces are tolerated. The leading digit is a check digit; invalid numbers are rejected with 400 before any DB lookup."
                }
              }
            },
            "queryParams": {
              "type": "object",
              "properties": {}
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "required": [
            "type"
          ],
          "properties": {
            "type": {
              "type": "string"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    },
    "routeTemplate": "/corporation/:number"
  }
}

Provenance

Seen in the source catalog

2026-07-07 14:32Z

Last indexed by Roundhouse

2026-09-11 02:50Z

Last enriched (probe, favicon, geo)

2026-09-22 18:45Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 400