Accounting

Updates a specific purchase order

post/PurchaseOrders/{PurchaseOrderID}

Path parameters

PurchaseOrderIDstring uuid required

Unique identifier for an Purchase Order

Headers

Idempotency-Keystring

This allows you to safely retry requests without the risk of duplicate processing. 128 character max.

Request body

Example request

{
  "PurchaseOrders": [
    {
      "Contact": {
        "UpdatedDateUTC": "/Date(1573755038314)/",
        "BrandingTheme": {
          "CreatedDateUTC": "/Date(1573755038314)/"
        },
        "BatchPayments": {
          "BankAccountNumber": "123-456-1111111",
          "BankAccountName": "ACME Bank",
          "Details": "Hello World",
          "Code": "ABC",
          "Reference": "Foobar"
        },
        "Attachments": [
          {
            "AttachmentID": "00000000-0000-0000-0000-000000000000",
            "FileName": "xero-dev.jpg",
            "Url": "https://api.xero.com/api.xro/2.0/Accounts/da962997-a8bd-4dff-9616-01cdc199283f/Attachments/sample5.jpg",
            "MimeType": "image/jpg"
          }
        ]
      },
      "LineItems": [
        {
          "LineItemID": "00000000-0000-0000-0000-000000000000",
          "AccountID": "00000000-0000-0000-0000-000000000000",
          "Tracking": [
            {
              "TrackingCategoryID": "00000000-0000-0000-0000-000000000000",
              "TrackingOptionID": "00000000-0000-0000-0000-000000000000",
              "Name": "Region",
              "Option": "North"
            }
          ],
          "RepeatingInvoiceID": "00000000-0000-0000-0000-000000000000"
        }
      ],
      "UpdatedDateUTC": "/Date(1573755038314)/",
      "Attachments": [
        {
          "AttachmentID": "00000000-0000-0000-0000-000000000000",
          "FileName": "xero-dev.jpg",
          "Url": "https://api.xero.com/api.xro/2.0/Accounts/da962997-a8bd-4dff-9616-01cdc199283f/Attachments/sample5.jpg",
          "MimeType": "image/jpg"
        }
      ]
    }
  ]
}

Response

Success - return response of type PurchaseOrder array for updated PurchaseOrder

Example response

{
  "PurchaseOrders": [
    {
      "Contact": {
        "UpdatedDateUTC": "/Date(1573755038314)/",
        "BrandingTheme": {
          "CreatedDateUTC": "/Date(1573755038314)/"
        },
        "BatchPayments": {
          "BankAccountNumber": "123-456-1111111",
          "BankAccountName": "ACME Bank",
          "Details": "Hello World",
          "Code": "ABC",
          "Reference": "Foobar"
        },
        "Attachments": [
          {
            "AttachmentID": "00000000-0000-0000-0000-000000000000",
            "FileName": "xero-dev.jpg",
            "Url": "https://api.xero.com/api.xro/2.0/Accounts/da962997-a8bd-4dff-9616-01cdc199283f/Attachments/sample5.jpg",
            "MimeType": "image/jpg"
          }
        ]
      },
      "LineItems": [
        {
          "LineItemID": "00000000-0000-0000-0000-000000000000",
          "AccountID": "00000000-0000-0000-0000-000000000000",
          "Tracking": [
            {
              "TrackingCategoryID": "00000000-0000-0000-0000-000000000000",
              "TrackingOptionID": "00000000-0000-0000-0000-000000000000",
              "Name": "Region",
              "Option": "North"
            }
          ],
          "RepeatingInvoiceID": "00000000-0000-0000-0000-000000000000"
        }
      ],
      "UpdatedDateUTC": "/Date(1573755038314)/",
      "Attachments": [
        {
          "AttachmentID": "00000000-0000-0000-0000-000000000000",
          "FileName": "xero-dev.jpg",
          "Url": "https://api.xero.com/api.xro/2.0/Accounts/da962997-a8bd-4dff-9616-01cdc199283f/Attachments/sample5.jpg",
          "MimeType": "image/jpg"
        }
      ]
    }
  ]
}

Changes

Changed in 3 of the 58 revisions of this API.10

Sep 15, 2025ab9dba3c87462See the full diff
- ○
  added the new optional request property PurchaseOrders/items/Contact/TaxNumberType
  new-optional-request-property
- ○
  added the optional property PurchaseOrders/items/Contact/TaxNumberType to the response with the 200 status
  response-optional-property-added
Sep 16, 20243aad5a420f766See the full diff
- ○
  added the new optional request property PurchaseOrders/items/LineItems/items/SalesTaxCodeId
  new-optional-request-property
- ○
  added the new optional request property PurchaseOrders/items/LineItems/items/TaxBreakdown
  new-optional-request-property
- ○
  added the new optional request property PurchaseOrders/items/LineItems/items/Taxability
  new-optional-request-property
- ○
  added the optional property PurchaseOrders/items/LineItems/items/SalesTaxCodeId to the response with the 200 status
  response-optional-property-added
- ○
  added the optional property PurchaseOrders/items/LineItems/items/TaxBreakdown to the response with the 200 status
  response-optional-property-added
- ○
  added the optional property PurchaseOrders/items/LineItems/items/Taxability to the response with the 200 status
  response-optional-property-added
Jul 29, 202498ef773227e52See the full diff
- ○
  added the new optional request property Warnings
  new-optional-request-property
- ○
  added the optional property Warnings to the response with the 200 status
  response-optional-property-added

Full history