Seller Assistant API
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  1. Purchase Orders (Beta)
  • Introduction
  • Authentication
  • Throttling
  • Error Handling
  • Swagger Documentation
  • Amazon SP-API Marketplace IDs
  • Amazon Marketplace Categories
  • Products
    • Get product info
      GET
    • Get product statistics
      GET
    • Calculate product profit
      POST
  • UPC-EAN-ASIN converters
    • Get product ASINs based on identifiers (UPC or EAN)
      GET
    • Get product identifiers (UPC, EAN, etc.) based on ASIN
      GET
  • Restrictions
    • Check ASIN restrictions
      GET
  • Sales Estimation
    • Estimate sales by ASIN
      GET
    • Estimate sales by BSR and category
      POST
  • Keepa
    • Get Keepa product
    • Search Keepa products
    • Keepa Product Finder
  • FBA Inbound Shipments
    • Summary
    • List inbound plans
    • Get inbound plan
    • List inbound plan boxes
    • List plan shipments
    • Get shipment
    • List shipment items
    • Get shipment fees
    • List shipment boxes
  • Listings Items
    • Search listings items
    • Get listings item
    • Create or update listing from ASIN
    • Delete listings item
  • SP-API FBA Shipments
    • Get old shipments
    • Get old shipment items
    • Get old shipment items by old shipment id
    • List inbound plans
    • Get inbound plan
    • List inbound plan boxes
    • List placement options
    • List transportation options
    • Get shipment
    • List shipment items
    • List shipment boxes
    • List packing options
    • List packing group boxes
    • List packing group items
  • SP-API FBA Inventory
    • Get inventory summaries
  • SP-API Catalog Items
    • Search catalog items
    • Get catalog item
  • SP-API Listings Items
    • Search listings items
    • Get listings item
    • Put listings item
    • Delete listings item
    • Patch listings item
  • SP-API Product Type Definitions
    • Search definitions product types
    • Get a product type definition
  • SP-API Product Pricing
    • Get competitive pricing
    • Get competitive summary for ASINs
  • Price List Analyzer
    • Start a price list analysis, from a file or from already-mapped JSON items
    • Get price list processing status
    • Get price list results (paginated)
    • Update calculations for a single price list item
    • Update expenses configuration for a price list
  • Documents (Beta)
    • List documents
    • Upload a document
    • Delete documents
    • Get a document
    • Delete a document
    • Update a document
    • Get a download link
    • Preview an invoice import
    • Import an invoice
  • Account (Beta)
    • Get account
    • Get current user
  • Notes (Beta)
    • List notes
    • Create a note
    • Delete notes
    • Delete a note
    • Update a note
  • Product History (Beta)
    • List product history
  • Inventory Products (Beta)
    • List filter values
    • List products
    • Create products
    • Delete products
    • Get a product
    • Delete a product
    • Update a product
    • Set product matches
    • Remove product matches
  • Listings (Beta)
    • List listings
    • Create listing drafts
    • Delete listings
    • Get a listing
    • Delete a listing draft
  • Purchase Orders (Beta)
    • List purchase orders
      GET
    • Create purchase orders
      POST
    • Delete purchase orders
      DELETE
    • Get a purchase order
      GET
    • Delete a purchase order
      DELETE
    • Update a purchase order
      PATCH
    • List order items
      GET
    • Delete order items
      DELETE
    • Add order items
      POST
    • Delete an order item
      DELETE
    • Update an order item
      PATCH
  • SKUs (Beta)
    • List SKUs
    • Delete SKUs
    • Get a SKU
    • Delete a SKU
    • Update a SKU
  • Supplier Offers (Beta)
    • List supplier offers
    • Create supplier offers
    • Get a supplier offer
    • Delete a supplier offer
    • Update a supplier offer
  • Suppliers (Beta)
    • List suppliers
    • Create suppliers
    • Delete suppliers
    • Get a supplier
    • Delete a supplier
    • Update a supplier
  • Warehouses (Beta)
    • List warehouses
    • Create warehouses
    • Delete warehouses
    • Get a warehouse
    • Delete a warehouse
    • Update a warehouse
    • List prep providers
  • Repricer (Beta)
    • List repricing history
    • Get history statistics
    • Get repricer overview
    • Get repricer settings
    • Reset repricer settings
    • Update repricer settings
    • List repricer products
    • Create repricer products
    • Delete repricer products
    • Update repricer products
    • Get a repricer product
    • Delete a repricer product
    • Update a repricer product
    • Reprice a product
    • List strategies
    • Create a strategy
    • Delete strategies
    • Get a strategy
    • Delete a strategy
    • Update a strategy
    • Assign a strategy
  • Tags (Beta)
    • List tags
    • Create tags
    • Delete tags
    • Delete a tag
    • Update a tag
    • Tag products
  • Schemas
    • Schemas
      • ApiError
      • CheckAsinRestrictionsRequest
      • EstimateSalesRequest
      • AmazonSellerAccountRequiredApiError
      • InternalApiError
      • EstimateSalesByAsinRequest
      • ProductResponse
      • DangerBrand
      • ProductDefect
      • Category
      • Variation
      • Marketplace
      • Urls
      • Price
      • Size
      • ProductPriceCurrency
      • Risks
      • Offers
      • FbaDetails
    • BadRequestApiError
    • ConvertToASINResponseItem
    • AccessDeniedApiError
    • PaymentRequiredApiError
    • ConvertToASINResponse
    • ResourceNotFoundApiError
    • ConvertToASINInternalApiError
    • TooManyRequestsApiError
    • GetProductIdentifiersResponseItem
    • GetProductIdentifiersResponse
    • GetProductIdentifiersInternalApiError
    • ListPlanShipmentsResponse
    • Document
    • ListPlanShipmentsInternalApiError
    • ProductNotFoundApiError
    • GetShipmentFeesResponse
    • GetShipmentFeesInternalApiError
    • KeepaProductStats
    • KeepaProductCsv
    • KeepaProductOffer
    • KeepaProduct
    • GetKeepaProductInternalApiError
    • SearchKeepaProductsResponse
    • SearchKeepaProductsInternalApiError
    • QueryKeepaProductsResponse
    • SearchInsightsObject
    • QueryKeepaProductsInternalApiError
    • PutListingsItemRequest
    • PutListingsItemInternalApiError
    • Currency
    • Quota
    • ProductBsr
    • FeatureFlag
    • ProductCategory
    • Note
    • ProductVariations
    • NoteForm
    • ProductVariation
    • PriceListAnalyzerUploadResponse
    • ProductMarketplace
    • PriceListAnalyzerJsonItem
    • ProductUrls
    • PriceListAnalyzerStatusResponse
    • ProductPrices
    • Product
    • ProductSize
    • ProductOffers
    • GetProductInternalApiError
    • CalculateProductProfitRequest
    • BusinessLogicApiError
    • ProductProfit
    • CalculateProductProfitInternalApiError
    • ProductStats
    • ProductRisks
    • GetProductStatsInternalApiError
    • CheckAsinRestrictionsResponse
    • CheckRestrictionsInternalApiError
    • ProductFees
    • InternalProduct
    • ProductMatch
    • ProductMatchItem
    • InternalProductForm
    • ListingForm
    • Listing
    • PurchaseOrder
    • PurchaseOrderCreateForm
    • CurrentUserInfoResponse
    • PurchaseOrderForm
    • PurchaseOrderItemForm
    • EstimateSalesInternalApiError
    • PurchaseOrderItem
    • SupplierOffer
    • EstimateSalesResponse
    • Sku
    • SupplierOfferFields
    • EstimateSalesByBsrRequest
    • Supplier
    • SupplierOfferCreate
    • SearchCatalogItemsResponse
    • CatalogItemsPagination
    • CreateSupplierForm
    • Refinements
    • UpdateSupplierForm
    • BrandRefinement
    • WarehouseForm
    • ClassificationRefinement
    • Warehouse
    • CatalogItem
    • WarehouseProvider
    • CatalogItemBrowseClassificationsByMarketplace
    • RepricerProductHistoryItem
    • CatalogItemBrowseClassification
    • HistorySearchResponse
    • CatalogItemDimensionsByMarketplace
    • HistoryStats
    • Dimensions
    • RepricerDefaultSettings
    • Dimension
    • RepricerInfo
    • CatalogItemIdentifiersByMarketplace
    • RepricerSettings
    • CatalogItemIdentifier
    • UpdateRepricerSettings
    • CatalogItemImagesByMarketplace
    • RepricerProduct
    • CatalogItemImage
    • RepricerProductListResponse
    • CatalogItemProductTypeByMarketplace
    • CreateRepricerProductForm
    • CatalogItemRelationshipsByMarketplace
    • UpdateRepricerProductForm
    • CatalogItemRelationship
    • RepricerStrategy
    • CatalogItemVariationTheme
    • RepricerStrategyForm
    • CatalogItemSalesRanksByMarketplace
    • Tag
    • CatalogItemClassificationSalesRank
    • TagForm
    • CatalogItemDisplayGroupSalesRank
    • GetCurrentUserInfoInternalApiError
    • CatalogItemSummaryByMarketplace
    • CatalogItemContributor
    • ApiV1Pagination
    • CatalogItemContributorRole
    • ApiV1BatchMeta
    • ApiV1TrialLimit
    • CatalogItemVendorDetailsByMarketplace
    • ApiV1BatchError
    • CatalogItemVendorDetailsCategory
    • SearchCatalogItemsInternalApiError
    • GetCatalogItemInternalApiError
    • GetInventorySummariesResponse
    • GetInventorySummariesResult
    • InventoryPagination
    • Granularity
    • InventorySummary
    • InventoryDetails
    • ReservedQuantity
    • ResearchingQuantity
    • ResearchingQuantityEntry
    • UnfulfillableQuantity
    • GetInventorySummariesInternalApiError
    • SpApiMoney
    • ShipmentAddress
    • OldShipment
    • GetShipmentsResponse
    • GetShipmentsInternalApiError
    • OldShipmentItem
    • GetShipmentItemsResponse
    • GetShipmentItemsInternalApiError
    • GetShipmentItemsByShipmentIdResponse
    • GetShipmentItemsByShipmentIdInternalApiError
    • ListInboundPlansResponse
    • InboundPlanSummary
    • Address
    • ListInboundPlansInternalApiError
    • GetInboundPlanResponse
    • GetInboundPlanInternalApiError
    • ListPlacementOptionsResponse
    • PlacementOption
    • Incentive
    • CurrencyValue
    • ListPlacementOptionsInternalApiError
    • TransportationOption
    • ListTransportationOptionsResponse
    • ListTransportationOptionsInternalApiError
    • ShipmentSummary
    • GetShipmentInternalApiError
    • ShipmentItem
    • PrepInstruction
    • ListShipmentItemsResponse
    • ListShipmentItemsInternalApiError
    • ListInboundPlanBoxesResponse
    • Box
    • Region
    • BoxDimensions
    • BoxWeight
    • ListInboundPlanBoxesInternalApiError
    • ListShipmentBoxesResponse
    • ListShipmentBoxesInternalApiError
    • ListPackingOptionsResponse
    • PackingOption
    • PackingConfiguration
    • BoxRequirements
    • WeightRange
    • ShippingRequirements
    • ShippingConfiguration
    • ListPackingOptionsInternalApiError
    • ListPackingGroupBoxesResponse
    • ListPackingGroupBoxesInternalApiError
    • ListPackingGroupItemsResponse
    • ListPackingGroupItemsInternalApiError
    • SearchListingsItemsResponse
    • Pagination
    • CurrencyAmount
    • Points
    • Image
    • VariationTheme
    • ListingsItemSummary
    • ListingsItemIssue
    • Enforcements
    • EnforcementAction
    • Exemption
    • ListingsItemIdentifier
    • ListingOfferPrice
    • OfferAudience
    • FulfillmentAvailability
    • Procurement
    • ProductRelationship
    • MarketplaceRelationship
    • ProductTypeDefinition
    • ListingsItem
    • SearchListingsItemsInternalApiError
    • GetListingsItemInternalApiError
    • ListingsItemPutRequest
    • ListingsItemSubmissionResponse
    • ListingsItemPatchRequest
    • PatchListingsItemInternalApiError
    • DeleteListingsItemInternalApiError
    • ProductType
    • ProductTypeListResponse
    • SearchProductTypeDefinitionsInternalApiError
    • ProductTypeDefinitionResponse
    • ProductTypeVersion
    • Link
    • SchemaLink
    • PropertyGroup
    • ProductTypeDefinitionsInternalApiError
    • CompetitivePricingError
    • CompetitivePricingProduct
    • CompetitivePricingItem
    • CompetitivePricingResponse
    • CompetitiveSummaryError
    • CompetitiveSummaryResponse
  1. Purchase Orders (Beta)

Update an order item

PATCH
https://app.sellerassistant.app/api/v1/sa/inventory/purchase-order-items/{id}
A change of the cost or the count moves the totals of the order, and the offer of the supplier follows the new cost.

Request

Authorization
API Key
Add parameter in query
api_key
Example:
api_key: ********************
or
API Key
Add parameter in header
X-Api-Key
Example:
X-Api-Key: ********************
or
Path Params

Body Params application/jsonRequired

Example
{
    "unit_cost": 9.5,
    "unit_count": 12,
    "sku": "string"
}

Request Code Samples

Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request PATCH 'https://app.sellerassistant.app/api/v1/sa/inventory/purchase-order-items/?api_key=%3Capi-key%3E' \
--header 'Content-Type: application/json' \
--data '{
    "unit_cost": 9.5,
    "unit_count": 12,
    "sku": "string"
}'

Responses

🟢200
application/json
The item
Bodyapplication/json

Example
{
    "data": {
        "id": 4471,
        "purchase_order_id": 42,
        "internal_product_id": "P-5XK1S0NQNO",
        "title": "string",
        "image_url": "string",
        "asin": "B0019MQM64",
        "upc": "string",
        "ean": "string",
        "sku": "string",
        "identifier": "string",
        "unit_cost": 9.5,
        "unit_count": 12,
        "total_cost": 114,
        "selling_price": 0,
        "profit_fba": 0,
        "profit_marketplace_id": "string",
        "profit_calculated_at": "2019-08-24T14:15:22.123Z",
        "created_at": "2019-08-24T14:15:22.123Z",
        "updated_at": "2019-08-24T14:15:22.123Z"
    }
}
🟠400BadRequest
🟠403AccessDenied
🟠404NotFound
🟠429TooManyRequests
Modified at 2026-10-09 12:48:23
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