Recompute every redacted Rakuten order's category commission from your own supplied rate and basis, and its fixed per-item fee from the item count and your supplied per-item amount. Both recorded deductions are compared independently, mismatches rank first, and category summaries show which supplied rate the differences cluster under. PAID SKILL: $0.50 USD per call; this server never runs paid work for free, and calling this tool returns payment instructions only. Pay per call with x402 (POST https://friday-seller-tools-production.up.railway.app/v1/rakuten/finance/commission-per-item-fee-verification and settle the 402 challenge in USDC) or buy with a card at https://friday-seller-tools-production.up.railway.app/buy?service=rakuten_order_fee_verifier. Free sample output: https://friday-seller-tools-production.up.railway.app/v1/examples/rakuten_order_fee_verifier.