{"tool":"japan-corp-check","title":"Corporate Number (Japan)","description":"Validate Japanese Houjin Bangou (13 digits, National Tax Agency Mod-9 check digit).","method":"POST","call":"/v1/tools/japan-corp-check/call","input_schema":{"type":"object","required":["corporate_number"],"properties":{"corporate_number":{"type":"string","description":"13-digit Japanese Corporate Number."}}},"output_schema":{"type":"object","properties":{"tool":{"type":"string"},"valid":{"type":"boolean"},"normalized":{"type":"string"},"country":{"type":"string"},"reason":{"type":"string"},"scope":{"type":"string"}},"required":["valid","reason"]},"price_usdc_floor":0.000999,"price_note":"dynamic-dutch: live quote via GET /health or the 402 challenge on POST without payment","example_request":{"input":{"corporate_number":"1010001008844"}},"docs":"https://rail.akrivis.in/openapi.json","mcp":"https://rail.akrivis.in/mcp"}