What are the FulfillmentLatency requirements for Amazon API inventory updates?
FulfillmentLatency is the number of days between when an order is placed and when it ships. Amazon requires a FulfillmentLatency value between 1 and 30 days (verify the current accepted range in the latest Amazon API documentation) with every inventory update submitted via the API. If this value is not provided, Amazon will not process the inventory quantity update.
Can FulfillmentLatency be set to 0 days?
Note: While the API enforces a minimum of 1 day, Amazon Seller Central does allow a FulfillmentLatency of 0 days for an individual product when set directly in the interface. This exception applies only within Seller Central and not through the API.
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