Supplier purchase orders (/api/PurchaseOrder). List responses use the purchaseorders array.
Return All, Limit, Client ID, Search, Open Only (maps to closed=false)
Standard CRUD with JSON fields.
Record that the record was viewed (POST …/View). Requires the entity ID and optional Additional Fields JSON merged into the body.
Confirm goods receipt (POST /PurchaseOrder/confirmreceipt). Additional Fields must be a SupplierOrderHeader object.