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(For example, if a proxy adds a "Expect: 100-continue" field when it forwards a request, then it need not forward the corresponding 100 (Continue) response(s).) Request received, continuing process.
A client MUST be prepared to accept one or more 1xx status responses prior to a regular response, even if the client does not expect a 100 (Continue) status message.The protocol SHOULD be switched only when it is advantageous to do so.For example, switching to a newer version of HTTP is advantageous over older versions, and switching to a real-time, synchronous protocol might be advantageous when delivering resources that use such features.In a GET request, the response will contain an entity corresponding to the requested resource. The request has been fulfilled and resulted in a new resource being created.
In a POST request the response will contain an entity describing or containing the result of the action. The newly created resource can be referenced by the URI(s) returned in the entity of the response, with the most specific URI for the resource given by a Location header field.
If you feel this limit should be revised for your integration, contact [email protected] your request.