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Editorial Team
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Asked: 2026-05-29T11:21:12+00:00

If I have some APIs using SOAP, how do I know if the methods

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If I have some APIs using SOAP, how do I know if the methods requires a GET, POST or other?

Also, What are the consequence (not even sure it would work) if I use a GET for a SOAP web service requiring a POST? or vice-versa?

Thanks, I’m still trying to get a good understanding on how to consume web services. I got some working with simple API’s, but really having problem using a web service that returns is used to download files. Thanks again.

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  1. Editorial Team

    HTTP GET requests generally do not have a content part which how the SOAP message is transmitted to the server. This is why POST is used.

    Specifically from RFC 2616 Section 4.3. Emphasis mine.

    A message-body MUST NOT be included in a request if the specification
    of the request method (section 5.1.1) does not allow sending an
    entity-body in requests. A server SHOULD read and forward a
    message-body on any request; if the request method does not include
    defined semantics for an entity-body, then the message-body SHOULD be
    ignored when handling the request.

    EDIT:

    As of SOAP 1.2 it is possible to use HTTP GET method and get a SOAP response back. I recommend reading the SOAP 1.2 primer Section 4.1 for details about which HTTP methods are appropriate in what situations.

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