# Create a new purchase order

Create a new purchase order with products from a supplier.

Endpoint: POST /v2/purchase_orders
Version: 2.0.0
Security: api_keys

## Request fields (application/json):

  - `supplier_id` (string, required)
    Supplier identifier
    Example: "se-567"

  - `order_date` (string)
    Date when the order was placed
    Example: "2025-01-15T00:00:00Z"

  - `expected_delivery_date` (string)
    Expected delivery date
    Example: "2025-02-01T00:00:00Z"

  - `payment_terms` (string)
    Payment terms for the order
    Enum: "none", "cash_on_delivery", "payment_on_receipt", "payment_in_advance", "net_7", "net_15", "net_30", "net_45", "net_60"

  - `payment_status` (string)
    Payment status for the order
    Enum: "none", "unpaid", "partially_paid", "paid", "refunded", "credit_issued", "other"

  - `currency_code` (string)
    ISO 4217 currency code
    Example: "USD"

  - `shipping_carrier` (string)
    Shipping carrier name
    Example: "UPS"

  - `tracking_number` (string)
    Tracking number for the shipment
    Example: "1Z12345E1234567890"

  - `reference_number` (string)
    Optional reference number
    Example: "REF-12345"

  - `warehouse_id` (string, required)
    Warehouse identifier
    Example: "se-123456"

  - `note_to_supplier` (string)
    Note to include for the supplier
    Example: "Please expedite delivery"

  - `products` (array, required)
    List of products in the purchase order

  - `products.sku` (string, required)
    SKU of the product
    Example: "WIDGET-001"

  - `products.supplier_sku` (string)
    Supplier's SKU for the product
    Example: "SUPP-WIDGET-001"

  - `products.quantity` (integer, required)
    Quantity to order
    Example: 100

  - `products.cost` (number)
    Unit cost
    Example: 9.99

## Response 200 fields (application/json):

  - `purchase_order_id` (string)
    Unique identifier for the created purchase order
    Example: "se-234"

  - `order_number` (string)
    Auto-generated order number
    Example: "02162026-02"

  - `supplier_id` (string)
    Example: "se-567"

  - `status` (string)
    Enum: "draft", "open", "receiving", "received", "cancelled", "closed"

  - `order_date` (string)
    Example: "2025-01-15T00:00:00Z"

  - `expected_delivery_date` (string)
    Example: "2025-02-01T00:00:00Z"

  - `create_date` (string)
    Example: "2025-01-14T10:30:00Z"

  - `modify_date` (string)
    Example: "2025-01-14T10:30:00Z"

  - `payment_terms` (string)
    Enum: "none", "cash_on_delivery", "payment_on_receipt", "payment_in_advance", "net_7", "net_15", "net_30", "net_45", "net_60"

  - `payment_status` (string)
    Enum: "none", "unpaid", "partially_paid", "paid", "refunded", "credit_issued", "other"

  - `currency_code` (string)
    Example: "USD"

  - `shipping_carrier` (string)
    Example: "UPS"

  - `tracking_number` (string)
    Example: "1Z12345E1234567890"

  - `reference_number` (string)
    Example: "REF-12345"

  - `warehouse_id` (string)
    Example: "se-123456"

  - `note_to_supplier` (string)
    Example: "Please expedite delivery"

  - `products` (array)

  - `products.sku` (string)
    Example: "WIDGET-001"

  - `products.supplier_sku` (string)
    Example: "SUPP-WIDGET-001"

  - `products.quantity` (integer)
    Example: 100

  - `products.cost` (number)
    Example: 9.99

## Response 400 fields (application/json):

  - `request_id` (string, required)
    A UUID that uniquely identifies the request id.
This can be given to the support team to help debug non-trivial issues that may occur
    Example: "aa3d8e8e-462b-4476-9618-72db7f7b7009"

  - `errors` (array, required)
    The errors associated with the failed API call

  - `errors.error_source` (string, required)
    The source of the error, as indicated by the name this informs us if the API call failed because of the
carrier, the order source, or the ShipStation API itself.
    Enum: "carrier", "order_source", "ShipStation"

  - `errors.error_type` (string, required)
    The type of error
    Enum: "account_status", "business_rules", "validation", "security", "system", "integrations"

  - `errors.error_code` (string, required)
    The error code specified for the failed API Call
    Enum: "auto_fund_not_supported", "batch_cannot_be_modified", "carrier_conflict", "carrier_disconnected", "carrier_not_connected", "carrier_not_supported", "confirmation_not_supported", "default_warehouse_cannot_be_deleted", "field_conflict", "field_value_required", "forbidden", "identifier_conflict", "identifiers_must_match", "insufficient_funds", "invalid_address", "invalid_billing_plan", "invalid_field_value", "invalid_identifier", "invalid_status", "invalid_string_length", "label_images_not_supported", "meter_failure", "order_source_not_active", "rate_limit_exceeded", "refresh_not_supported", "request_body_required", "return_label_not_supported", "settings_not_supported", "subscription_inactive", "terms_not_accepted", "tracking_not_supported", "trial_expired", "unauthorized", "unknown", "unspecified", "verification_failure", "warehouse_conflict", "webhook_event_type_conflict", "customs_items_required", "incompatible_paired_labels", "invalid_charge_event", "invalid_object", "no_rates_returned"

  - `errors.message` (string, required)
    An error message associated with the failed API call
    Example: "Body of request cannot be null."

  - `errors.field_name` (string)
    The name of the field that caused the error (only present for validation errors)
    Example: "inventory_warehouse_id"

  - `errors.field_value` (string)
    The invalid value that was provided for the field (only present for validation errors)
    Example: "invalid-id"