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W3C SOAP Activity
SOAP is a simple protocol based on XML that enables applications to exchange information over HTTP.
Or simply said: SOAP is a communication protocol for Web Services based on XML.
SOAP
SOAP (Simple Object Access Protocol) is a lightweight, platform and language-neutral communication protocol that allows programs to communicate over standard Internet HTTP.
To learn more about SOAP, please read our SOAP Tutorial.
SOAP 1.1
In May 2000, SOAP 1.1 was proposed to the W3C (by developers: IBM, Lotus, Microsoft, and Userland) as a protocol for exchanging information in distributed environments.
The W3C SOAP 1.1 document is merely a note for discussion. The publication of this note does not represent any level of endorsement from the W3C.
SOAP 1.2
The W3C XML Protocol Working Group is currently working on SOAP 1.2.
The first working draft was published on December 17, 2001.
SOAP 1.2 was published as a W3C Recommendation on June 24, 2003.
W3C SOAP Specifications and Timeline
| Specification | Draft/Proposal | Recommendation Date |
|---|---|---|
| SOAP 1.2 Primer | June 24, 2003 | |
| SOAP 1.2 Primer (2.Ed) | April 27, 2007 | |
| SOAP 1.2 Messaging | June 24, 2003 | |
| SOAP 1.2 Messaging (2.Ed) | April 27, 2007 | |
| SOAP 1.2 Adjuncts | June 24, 2003 | |
| SOAP 1.2 Adjuncts (2.Ed) | April 27, 2007 | |
| SOAP 1.2 Test Collection | June 24, 2003 | |
| SOAP 1.2 Test Collection (2.Ed) | April 27, 2007 | |
| SOAP 1.2 Attachments | June 8, 2004 | |
| SOAP 1.2 Email Bindings | July 3, 2002 | |
| SOAP 1.2 Normalization | October 8, 2003 | |
| SOAP 1.2 Serialization | June 8, 2004 | |
| Web Services Addressing 1.0 - Core | May 9, 2006 | |
| Web Services Addressing 1.0 - SOAP | May 9, 2006 |