{"example_only":true,"service":"fba_prep_fee_verifier","note":"Illustrative output from synthetic product facts; paid results depend on supplied facts.","name":"Amazon FBA Prep + Label Service Fee Charge Verifier","marketplace":"amazon_us","input_summary":{"report_label":"Northwind August FBA prep and label fee review","report_window":"2026-08-01 to 2026-08-31","reporting_currency":"USD","charge_line_count":6,"rate_count":4,"amount_tolerance":0.02,"high_charge_threshold":50.0,"basis":"synthetic seller-redacted prep/label charge lines and a seller-supplied per-unit service rate card"},"output":{"charge_count":6,"shipment_count":3,"used_rate_count":3,"prepped_units":227,"total_reported_fee":141.2,"total_recomputed_fee":140.85,"total_fee_discrepancy":0.35,"possible_overcharge_exposure":0.6,"possible_undercharge_exposure":0.25,"mismatch_count":2,"high_charge_count":1,"review_queue_preview":[{"priority_rank":1,"charge_reference":"NW-PREP-002","shipment_alias":"SH-NW-15A","prep_service_type":"POLYBAGGING","reported_fee":22.6,"recomputed_fee":22.0,"fee_discrepancy":0.6,"status":"review_mismatch"},{"priority_rank":2,"charge_reference":"NW-PREP-004","shipment_alias":"SH-NW-15B","prep_service_type":"POLYBAGGING","reported_fee":13.5,"recomputed_fee":13.75,"fee_discrepancy":-0.25,"status":"review_mismatch"},{"priority_rank":3,"charge_reference":"NW-PREP-006","shipment_alias":"SH-NW-15C","prep_service_type":"BUBBLE_WRAP","reported_fee":64.0,"recomputed_fee":64.0,"fee_discrepancy":0.0,"status":"review_high_charge"}],"shipment_summaries_preview":[{"shipment_alias":"SH-NW-15A","charge_line_count":3,"prepped_units":92,"prepped_span_days":14,"reported_fee":50.2,"recomputed_fee":49.6,"mismatch_count":1},{"shipment_alias":"SH-NW-15B","charge_line_count":2,"prepped_units":55,"prepped_span_days":2,"reported_fee":27.0,"recomputed_fee":27.25,"mismatch_count":1}],"publish_status":"draft_needs_review","safety":"Arithmetic on seller-supplied charge lines and service rates only. A difference is not proof Amazon billed incorrectly or that a credit is due; no case is filed and no shipment, prep setting, inventory, fee, listing, or account is changed."}}