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WS-MetaDataExchange is a `F33f`_`[web services`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Web_service]`_`f protocol specification, published by `F33f`_`[BEA Systems`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=BEA_Systems]`_`f, `F33f`_`[IBM`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=IBM]`_`f, `F33f`_`[Microsoft`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Microsoft]`_`f, and `F33f`_`[SAP`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=SAP_AG]`_`f. WS-MetaDataExchange is part of the `F33f`_`[WS-Federation`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=WS-Federation]`_`f roadmap; and is designed to work in conjunction with `F33f`_`[WS-Addressing`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=WS-Addressing]`_`f, `F33f`_`[WSDL`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Web_Services_Description_Language]`_`f and `F33f`_`[WS-Policy`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=WS-Policy]`_`f to allow retrieval of metadata about a Web Services endpoint.`:cite-ref-1[`F5bf`_`[1`#cite-note-1]`_`f]

It uses a SOAP message to request metadata, and so goes beyond the basic technique of appending "?wsdl" to a service name's URL

>>Contents

• `F0af`_`[See also`#see-also]`_`f

• `F0af`_`[References`#references]`_`f

• `F0af`_`[External links`#external-links]`_`f

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>>See also

• `F33f`_`[List of web service specifications`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=List_of_web_service_specifications]`_`f

• `F33f`_`[Web services`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Web_service]`_`f

>>References

`:cite-note-1`!1.`! `F0af`_`[↑`#cite-ref-1]`_`f Cover Pages: Web Services Metadata Exchange (WS-MetadataExchange) for Service Endpoints

>>External links

• W3C Working Draft of WS-MetadataExchange

• WS-MetadataExchange Specification

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