Glossary

Term	Description
Vertex for Marketplaces	The name of this product. Generally referred to as "the service" in the documentation when not named directly.
Seller	These are merchants who participate in e-commerce.
Seller Code	The code that identifies the seller that is present in the `seller_code` field. This is used to specify this seller in inbound transaction requests.
Buyer	The Seller's customers. Parties who purchase goods. These are the customers of the merchants' ecommerce stores or the marketplace itself.
Transaction Key	A unique ID that is generated by the Store Transaction request and used to later identify transactions.
Calculate Tax	The Calculate Tax request returns tax results, without creating a record in the service's Transaction database.
Store Transaction	The Store Transaction request that is used to store transaction details.
Confirm Transaction	The Confirm Transaction request used to model confirmed transactions.
Liability Determination	The name for the component and process that determines which party is liable.
Product Class	The classification of the product. See Product Classes.
Vertex Invoice IQ	The name of the invoicing component.
Vertex Validator	The name of the component that validates Tax IDs.
Tax Engine	The component that calculates tax rates.
Tax ID	The name of the number that sellers and buyers use to identify themselves in B2B transactions. For example, a VAT number.
Product Tax Code	A code that is defined in Vertex O Series (Cloud) and can be passed (along with a Product Tax Class) in requests to trigger a specific rate.
Product Tax Class	A class that is defined in Vertex O Series (Cloud) and can be passed (along with a Product Tax Code) in requests to trigger a specific rate.
Vertex O Series (Cloud)	Vertex O Series (Cloud) is the product that Vertex for Marketplaces uses for tax rates.