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

    URL = "https://httpbin.org";
    URL = URL + "/post";

    Image = "https://api.athenaeum.digital/test_data/picture.jpg"; // URL, Path or Binary Data

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