Create a return.

curl --request POST \
  --url https://sandbox-api.shipbob.com/2025-07/return \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'shipbob_channel_id: <shipbob_channel_id>' \
  --data '{
  "fulfillment_center": {
    "id": 0,
    "name": "string"
  },
  "inventory": [
    {
      "id": 0,
      "lot_date": "2019-08-24T14:15:22Z",
      "lot_number": "string",
      "quantity": 0,
      "requested_action": 0
    }
  ],
  "original_shipment_id": 0,
  "reference_id": "string",
  "tracking_number": "string"
}'

{
  "channel": {
    "id": 0,
    "name": "string"
  },
  "completed_date": "2019-08-24T14:15:22Z",
  "customer_name": "string",
  "fulfillment_center": {
    "id": 0,
    "name": "string"
  },
  "id": 0,
  "insert_date": "2019-08-24T14:15:22Z",
  "inventory": [
    {
      "action_requested": {
        "action": "string",
        "action_type": "string",
        "instructions": "string"
      },
      "action_taken": [
        {
          "action": "string",
          "action_reason": "string",
          "image_url": "http://example.com",
          "quantity_processed": 0
        }
      ],
      "id": 0,
      "name": "string",
      "quantity": 0
    }
  ],
  "invoice_amount": 0.1,
  "original_shipment_id": 0,
  "reference_id": "string",
  "return_type": "string",
  "status": "string",
  "store_order_id": "string",
  "tracking_number": "string",
  "transactions": [
    {
      "amount": 0.1,
      "transaction_type": "string"
    }
  ]
}