purchase_orders

Create a new purchase order

Changed on Oct 22, 2026

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Create a new purchase order with products from a supplier.

post/v2/purchase_orders

Request

Base URL
https://api.shipstation.com
URL
https://api.shipstation.com/v2/purchase_orders
Auth
API key in header api-key

Request body

supplier_idstring required

Supplier identifier

order_datestring date-time

Date when the order was placed

expected_delivery_datestring date-time

Expected delivery date

payment_terms'none' | 'cash_on_delivery' | 'payment_on_receipt' | 'payment_in_advance' | 'net_7' | 'net_15' | 'net_30' | 'net_45' | 'net_60'

Payment terms for the order

Payment status for the order

currency_codestring

ISO 4217 currency code

shipping_carrierstring

Shipping carrier name

tracking_numberstring

Tracking number for the shipment

reference_numberstring

Optional reference number

warehouse_idstring required

Warehouse identifier

note_to_supplierstring

Note to include for the supplier

Example request

{
  "supplier_id": "se-567",
  "order_date": "2025-01-15T00:00:00Z",
  "expected_delivery_date": "2025-02-01T00:00:00Z",
  "payment_terms": "net_30",
  "payment_status": "unpaid",
  "currency_code": "USD",
  "shipping_carrier": "UPS",
  "tracking_number": "1Z12345E1234567890",
  "reference_number": "REF-12345",
  "warehouse_id": "se-123456",
  "note_to_supplier": "Please expedite delivery",
  "products": [
    {
      "sku": "WIDGET-001",
      "supplier_sku": "SUPP-WIDGET-001",
      "quantity": 100,
      "cost": 9.99
    }
  ]
}

Response

Purchase order created successfully

purchase_order_idstring

Unique identifier for the created purchase order

order_numberstring

Auto-generated order number

supplier_idstring

order_datestring date-time

expected_delivery_datestring date-time

create_datestring date-time

modify_datestring date-time