AS4 (Applicability Statement 4) is a specification for the secure and reliable exchange of business documents over the Internet, based on web services standards. It defines how to package and transmit data using SOAP with attachments, and provides features such as message integrity, confidentiality, non-repudiation, and error handling. It is commonly used for B2B data exchange, supply chain management, and e-government applications to ensure secure and reliable communication between trading partners.
Whether you're looking to get your foot in the door, find the right person to talk to, or close the deal — accurate, detailed, trustworthy, and timely information about the organization you're selling to is invaluable.
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