{"tool":"iban-check","title":"IBAN check","description":"Validate an IBAN by ISO 13616 structure and MOD-97-10 checksum (offline, no bank lookup).","method":"POST","call":"/v1/tools/iban-check/call","input_schema":{"type":"object","required":["iban"],"properties":{"iban":{"type":"string","description":"IBAN to validate; spaces allowed."}}},"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":{"iban":"GB82 WEST 1234 5698 7654 32"}},"docs":"https://rail.akrivis.in/openapi.json","mcp":"https://rail.akrivis.in/mcp"}