(Go) WhatsApp - Download/Retrieve Media

Demonstrates how to download media previously uploaded to the WhatsApp Business API client

For more information, see https://developers.facebook.com/docs/whatsapp/api/media#retrieve

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    http := chilkat.NewHttp()
    var success bool

    // Implements the following CURL command:

    // curl -X GET \
    //   https://your-webapp-hostname:your-webapp-port/v1/media/4b5bf27b-8672-4d55-bc21-d096dc200d0f \
    //   -H 'Authorization: Bearer your-auth-token' \
    //   -o path/filename

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // Adds the "Authorization: Bearer your-auth-token" header.
    http.SetAuthToken("your-auth-token")

    bdResponseBody := chilkat.NewBinData()
    success = http.QuickGetBd("https://your-webapp-hostname:your-webapp-port/v1/media/4b5bf27b-8672-4d55-bc21-d096dc200d0f",bdResponseBody)
    if success == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        bdResponseBody.DisposeBinData()
        return
    }

    respStatusCode := http.LastStatus()
    fmt.Println("response status code = ", respStatusCode)
    fmt.Println("response header = ", http.LastResponseHeader())

    if respStatusCode != 200 {
        fmt.Println("Error response body:")
        fmt.Println(*bdResponseBody.GetString("utf-8"))
        http.DisposeHttp()
        bdResponseBody.DisposeBinData()
        return
    }

    success = bdResponseBody.WriteFile("path/filename")

    http.DisposeHttp()
    bdResponseBody.DisposeBinData()