OpenIntegrations/docs/en/examples/HTTPClient/UseGzipCompression.txt

    URL = FunctionParameters["HTTP_URL"];
    URL = URL + "/post";

    Image = FunctionParameters["Picture"]; // URL, Path or Binary Data

    Result = OPI_HTTPRequests.NewRequest()
        .Initialize(URL)
        .SetBinaryBody(Image)
        .UseGzipCompression(False) // <---
        .ProcessRequest("POST", False)
        .ReturnRequest();