{
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    "title": "Japan Invoice Number (T-Number) Checker - Bulk & Change Feed",
    "description": "Bulk-verify Japanese invoice registration numbers (T + 13 digits) with official NTA open data: valid, cancelled or expired, valid on the invoice date, supplier name match. Plus a daily feed of new, cancelled and expired corporate registrations. No API key.",
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  "components": {
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        "properties": {
          "mode": {
            "title": "Mode",
            "enum": [
              "check",
              "changes"
            ],
            "type": "string",
            "description": "check = verify the registration numbers below. changes = list recent new / cancelled / expired corporate registrations from the NTA daily update files.",
            "default": "check"
          },
          "registrationNumbers": {
            "title": "Registration numbers (check mode)",
            "type": "array",
            "description": "One per line: T + 13 digits (spaces, hyphens, full-width and a missing T are fine). Optionally add the supplier name after a comma to verify it: \"T7000012050002, 国税庁\".",
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              "type": "string"
            }
          },
          "checkDate": {
            "title": "Also check validity on this date (optional)",
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            "type": "string",
            "description": "YYYY-MM-DD, e.g. the invoice date. Adds validOnCheckDate (true if registered on that date and not yet cancelled / expired)."
          },
          "useDailyUpdates": {
            "title": "Include daily updates since the monthly snapshot",
            "type": "boolean",
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          },
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          },
          "changesSince": {
            "title": "Changes published since (changes mode)",
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            "type": "string",
            "description": "YYYY-MM-DD. Default: the last 7 days. The NTA keeps the last 40 business days of update files."
          },
          "prefectures": {
            "title": "Prefectures (changes mode, optional)",
            "type": "array",
            "description": "Only companies located in these prefectures, e.g. \"Tokyo\", \"Osaka\", \"13\", \"東京都\". Empty = all of Japan.",
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              "type": "string"
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          },
          "maxItems": {
            "title": "Max results",
            "minimum": 1,
            "maximum": 100000,
            "type": "integer",
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          }
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