Mage_Sales

sales_order.list — Retrieve orders (with filters)

sales_order.info — Retrieve order info

sales_order.addComment — Add a comment to an order

sales_order.hold — Hold an order

sales_order.unhold — Unhold an order

sales_order.cancel — Cancel an order

sales_order_invoice.list — Retrieve invoices (with filters)

sales_order_invoice.info — Retrieve invoice info

sales_order_invoice.create — Create a new invoice

sales_order_invoice.addComment — Add a comment to an invoice

sales_order_invoice.capture — Capture an invoice

sales_order_invoice.cancel — Cancel an invoice

sales_order_shipment.list — Retrieve shipments (with filters)

sales_order_shipment.info — Retrieve shipment info

sales_order_shipment.create — Create a new shipment

sales_order_shipment.addComment — Add a comment to a shipment

sales_order_shipment.addTrack — Add a tracking number

sales_order_shipment.removeTrack — Remove a tracking number

sales_order_shipment.getCarriers — List allowed carriers for an order

sales_order_creditmemo.list — Retrieve credit memos (with filters)

sales_order_creditmemo.info — Retrieve credit memo info

sales_order_creditmemo.create — Create a new credit memo

sales_order_creditmemo.addComment — Add a comment to a credit memo

sales_order_creditmemo.cancel — Cancel a credit memo