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List FBA Aged Inventory Surcharges (Across Instances)

GET 
/api/amazon/unified/fba-longterm-storage-fees

Paginated FBA aged-inventory surcharge (long-term storage fee) report rows (GET_FBA_FULFILLMENT_LONGTERM_STORAGE_FEE_CHARGES_DATA) aggregated across all Amazon integration instances. One row per aged-inventory snapshot per SKU.

Authorization

Any valid API token can call this endpoint — no specific scope required. Manage tokens.

Authentication: Requires a Bearer token (Personal Access Token).

Filters: integration_instance_ids, currency, country, surcharge_age_tier, snapshot_date (single Y-m-d), search (sku/fnsku/asin/product_name/surcharge_age_tier/integration name), plus advanced text filters (sku, fnsku, asin, product_name, condition, surcharge_age_tier, country — each with a *_op operator), advanced numeric filters (qty_charged, rate_surcharge, amount_charged), and advanced datetime filters (snapshot_date, created_at, updated_at).

Pagination: page (default 1), per_page (default 10, min 1).

Cost entries: importing these rows has no accounting impact unless the per-instance 'Automatically create cost entries from FBA storage fee reports' setting is enabled, in which case each month's surcharge becomes a cost entry with per-product allocations.

Request​

Responses​

OK

Response Headers
    Content-Type