• A messaging protocol specification for exchanging structured information in the implementation of web services in computer networks. SOAP’s purpose is to provide extensibility, neutrality, and independence. It uses XML Information Set for its message format, and relies on application-layer protocols, most often Hypertext Transfer Protocol (HTTP), for message negotiation and transmission. SOAP was first released in 1998. ← Wikipedia

1. Previous term: Simple Mail Transfer Protocol
2. Next term: Single instruction, multiple data
3. Random term: Simple Mail Transfer Protocol