put https://{merchant}.fulfil.io/services/3pl/v1/customer-return-shipment/acknowledge.json
When shipments have been successfully ported into the 3PL's WMS, you should acknowledge the shipment. Acknowledging the shipment helps the team at the merchant gain visibility into the receiving process.
When shipments have been successfully ported into the 3PL's WMS, you should acknowledge the shipment. Acknowledging the shipment helps the purchaser/buyer team at the merchant gain visibility into the receiving process.