{"tool":"kra-pin-check","title":"KRA Tax PIN (Kenya)","description":"Validate Kenyan Revenue Authority Tax PIN structure (A/P + 9 digits + 1 letter).","method":"POST","call":"/v1/tools/kra-pin-check/call","input_schema":{"type":"object","required":["kra_pin"],"properties":{"kra_pin":{"type":"string","description":"11-character Kenyan KRA PIN."}}},"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":{"kra_pin":"P051123456Z"}},"docs":"https://rail.akrivis.in/openapi.json","mcp":"https://rail.akrivis.in/mcp"}