EDI Glossary

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ANSI X12 is an American EDI standard set developed in 1979 by the ANSI (American National Standards Institute) subsidiary ASC (Accredited Standards Committee). It is also referred to as ANSI ASC X12 and just X12. ANSI X12 was developed to provide a universal set of rules for cross-company electronic data exchange between two EDI trading partners. Although used worldwide, it is mainly used in the USA. Compared to other EDI standard sets, X12 has a particularly comprehensive transaction set. There are over 300 X12 standards, all of which are identified by a three digit number (e.g. 810 for invoices) rather than the six letter code system used by EDIFACT and TRADACOMS. These EDI file format standards fall under X12’s various different industry-based subsets.

API stands for Application Programming Interface. Essentially an API allows different computer systems to talk to one another. In order to create or access an API an API specification is required. This is a collection of rules and protocols which specifies how the different components of applications should interact and defines exchange formats, exchange protocols, security requirements and so on. Once a system meets these rules, it is possible to "expose" an API. By utilising APIs, businesses can make specific infomation available to relevant parties without the need to send information actively. For online services that offer an API, the term "web service" is often used.

AS3, or Applicability Statement 3, is a reliable and secure message specification that enables the exchange of EDI messages via the internet. It was developed by the IETF (the Internet Engineering Task Force) and is based on the FTP protocol, with both operating a client/server model. Like AS2, AS3 uses receipt notifications (MDNs), however, AS3 does not require a constant connection on the receiver's side as it is a push/pull protocol.

Average Order Value (AOV)
Average Order Value, or AOV, is a metric used in e-commerce to calculate the average amount spent by customers in a single transaction. It helps businesses understand purchasing patterns, assess the effectiveness of marketing strategies, and optimise pricing and promotion tactics accordingly.

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