# Update shipment line items


POST https://sandbox-api.shipbob.com/2025-07/shipments/{shipmentId}:updateLineItems
Content-Type: application/json

Updates the line items for a specific shipment. The request body must include the complete list of line items as returned by the GET /{shipmentId}:getLineItems endpoint — partial updates are not supported. Retrieve the current line items first, modify the desired fields, and submit the full payload.


Reference: https://developer-stage.shipbob.dev/2025-07/api/shipments/update-shipment-line-items

## OpenAPI Specification

```yaml
openapi: 3.1.0
info:
  title: api-2025-07
  version: 1.0.0
paths:
  /2025-07/shipments/{shipmentId}:updateLineItems:
    post:
      operationId: update-shipment-line-items
      summary: |
        Update shipment line items
      description: >
        Updates the line items for a specific shipment. The request body must
        include the complete list of line items as returned by the GET
        /{shipmentId}:getLineItems endpoint — partial updates are not supported.
        Retrieve the current line items first, modify the desired fields, and
        submit the full payload.
      tags:
        - subpackage_shipments
      parameters:
        - name: shipmentId
          in: path
          description: ''
          required: true
          schema:
            type: integer
        - name: Authorization
          in: header
          description: Authentication using Personal Access Token (PAT) token
          required: true
          schema:
            type: string
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Shipments.ShipmentLineItemsApiResponse'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Shipments.UpdateLineItemsRequest'
servers:
  - url: https://sandbox-api.shipbob.com
components:
  schemas:
    Shipments.ShipmentLineItemsViewModel:
      type: object
      properties:
        fulfillment_center_id:
          type: integer
        id:
          type: integer
        inventory_id:
          type: integer
        is_manually_assigned_lot:
          type: boolean
        lot_date:
          type:
            - string
            - 'null'
        lot_number:
          type:
            - string
            - 'null'
        quantity:
          type: integer
      required:
        - inventory_id
        - quantity
      title: Shipments.ShipmentLineItemsViewModel
    Shipments.UpdateLineItemsRequest:
      type: object
      properties:
        items:
          type: array
          items:
            $ref: '#/components/schemas/Shipments.ShipmentLineItemsViewModel'
      required:
        - items
      title: Shipments.UpdateLineItemsRequest
    Shipments.ErrorCode:
      type: string
      enum:
        - INVALID_PARAMETER
        - VALIDATION_ERROR
        - DATABASE_UPDATE_ERROR
        - REPROCESSING_ERROR
        - DEALLOCATE_ERROR
        - NOT_FOUND
        - CONFLICT
      title: Shipments.ErrorCode
    Shipments.ErrorResponse:
      type: object
      properties:
        code:
          $ref: '#/components/schemas/Shipments.ErrorCode'
        message:
          type:
            - string
            - 'null'
      title: Shipments.ErrorResponse
    Shipments.ShipmentLineItemResponse:
      type: object
      properties:
        action:
          type:
            - string
            - 'null'
        inventory_id:
          type: integer
        new_value:
          type:
            - string
            - 'null'
        previous_value:
          type:
            - string
            - 'null'
      title: Shipments.ShipmentLineItemResponse
    Shipments.ShipmentLineItemsApiResponse:
      type: object
      properties:
        error:
          $ref: '#/components/schemas/Shipments.ErrorResponse'
        id:
          type: integer
          format: int64
        is_success:
          type: boolean
        shipment_line_items:
          type:
            - array
            - 'null'
          items:
            $ref: '#/components/schemas/Shipments.ShipmentLineItemResponse'
      title: Shipments.ShipmentLineItemsApiResponse
  securitySchemes:
    PAT:
      type: http
      scheme: bearer
      description: Authentication using Personal Access Token (PAT) token
    OAuth2:
      type: http
      scheme: bearer
      description: OAuth2 authentication using JWT tokens

```

## SDK Code Examples

```python Shipments_updateShipmentLineItems_example
import requests

url = "https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems"

payload = { "items": [
        {
            "inventory_id": 789012,
            "quantity": 2,
            "fulfillment_center_id": 8,
            "id": 123456,
            "is_manually_assigned_lot": False,
            "lot_date": "2024-06-01",
            "lot_number": "LOT-2024-001"
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
```

```javascript Shipments_updateShipmentLineItems_example
const url = 'https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems';
const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: '{"items":[{"inventory_id":789012,"quantity":2,"fulfillment_center_id":8,"id":123456,"is_manually_assigned_lot":false,"lot_date":"2024-06-01","lot_number":"LOT-2024-001"}]}'
};

try {
  const response = await fetch(url, options);
  const data = await response.json();
  console.log(data);
} catch (error) {
  console.error(error);
}
```

```go Shipments_updateShipmentLineItems_example
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"inventory_id\": 789012,\n      \"quantity\": 2,\n      \"fulfillment_center_id\": 8,\n      \"id\": 123456,\n      \"is_manually_assigned_lot\": false,\n      \"lot_date\": \"2024-06-01\",\n      \"lot_number\": \"LOT-2024-001\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(res)
	fmt.Println(string(body))

}
```

```ruby Shipments_updateShipmentLineItems_example
require 'uri'
require 'net/http'

url = URI("https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"items\": [\n    {\n      \"inventory_id\": 789012,\n      \"quantity\": 2,\n      \"fulfillment_center_id\": 8,\n      \"id\": 123456,\n      \"is_manually_assigned_lot\": false,\n      \"lot_date\": \"2024-06-01\",\n      \"lot_number\": \"LOT-2024-001\"\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body
```

```java Shipments_updateShipmentLineItems_example
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;

HttpResponse<String> response = Unirest.post("https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"items\": [\n    {\n      \"inventory_id\": 789012,\n      \"quantity\": 2,\n      \"fulfillment_center_id\": 8,\n      \"id\": 123456,\n      \"is_manually_assigned_lot\": false,\n      \"lot_date\": \"2024-06-01\",\n      \"lot_number\": \"LOT-2024-001\"\n    }\n  ]\n}")
  .asString();
```

```php Shipments_updateShipmentLineItems_example
<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems', [
  'body' => '{
  "items": [
    {
      "inventory_id": 789012,
      "quantity": 2,
      "fulfillment_center_id": 8,
      "id": 123456,
      "is_manually_assigned_lot": false,
      "lot_date": "2024-06-01",
      "lot_number": "LOT-2024-001"
    }
  ]
}',
  'headers' => [
    'Authorization' => 'Bearer <token>',
    'Content-Type' => 'application/json',
  ],
]);

echo $response->getBody();
```

```csharp Shipments_updateShipmentLineItems_example
using RestSharp;

var client = new RestClient("https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems");
var request = new RestRequest(Method.POST);
request.AddHeader("Authorization", "Bearer <token>");
request.AddHeader("Content-Type", "application/json");
request.AddParameter("application/json", "{\n  \"items\": [\n    {\n      \"inventory_id\": 789012,\n      \"quantity\": 2,\n      \"fulfillment_center_id\": 8,\n      \"id\": 123456,\n      \"is_manually_assigned_lot\": false,\n      \"lot_date\": \"2024-06-01\",\n      \"lot_number\": \"LOT-2024-001\"\n    }\n  ]\n}", ParameterType.RequestBody);
IRestResponse response = client.Execute(request);
```

```swift Shipments_updateShipmentLineItems_example
import Foundation

let headers = [
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
]
let parameters = ["items": [
    [
      "inventory_id": 789012,
      "quantity": 2,
      "fulfillment_center_id": 8,
      "id": 123456,
      "is_manually_assigned_lot": false,
      "lot_date": "2024-06-01",
      "lot_number": "LOT-2024-001"
    ]
  ]] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://sandbox-api.shipbob.com/2025-07/shipments/1:updateLineItems")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error as Any)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()
```