(Go) CardConnect Void

Demonstrates how to send a CardConnect void request.

The void service cancels a transaction that is in either "Authorized" or "Queued for Capture" status.. ...

See https://developer.cardconnect.com/cardconnect-api#void

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

    http.SetBasicAuth(true)
    http.SetLogin("API_USERNAME")
    http.SetPassword("API_PASSWORD")

    // Build and send the following JSON:

    // The "retref" is the value returned in the JSON response for the Authorization request.

    // {
    //     "retref":"112989260941",
    //     "merchid":"MERCHANT_ID"
    // }

    json := chilkat.NewJsonObject()
    json.UpdateString("retref","112989260941")
    json.UpdateString("merchid","MERCHANT_ID")

    url := "https://<site>.cardconnect.com:<port>/cardconnect/rest/void"
    responseStr := http.PutText(url,*json.Emit(),"utf-8","application/json",false,false)
    if http.LastMethodSuccess() == false {
        fmt.Println(http.LastErrorText())
        http.DisposeHttp()
        json.DisposeJsonObject()
        return
    }

    // A response status of 200 indicates potential success.  The JSON response body
    // must be examined to determine if it was truly successful or an error.
    fmt.Println("response status code = ", http.LastStatus())

    jsonResp := chilkat.NewJsonObject()
    jsonResp.Load(*responseStr)
    jsonResp.SetEmitCompact(false)

    fmt.Println("response JSON:")
    fmt.Println(*jsonResp.Emit())

    // A successful response looks like this:

    // {
    //   "authcode": "REVERS",
    //   "respproc": "FNOR",
    //   "amount": "0.00",
    //   "resptext": "Approval",
    //   "currency": "USD",
    //   "retref": "112989260941",
    //   "respstat": "A",
    //   "respcode": "00",
    //   "merchid": "496160873888"
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    authcode := jsonResp.StringOf("authcode")
    respproc := jsonResp.StringOf("respproc")
    amount := jsonResp.StringOf("amount")
    resptext := jsonResp.StringOf("resptext")
    currency := jsonResp.StringOf("currency")
    retref := jsonResp.StringOf("retref")
    respstat := jsonResp.StringOf("respstat")
    respcode := jsonResp.StringOf("respcode")
    merchid := jsonResp.StringOf("merchid")

    http.DisposeHttp()
    json.DisposeJsonObject()
    jsonResp.DisposeJsonObject()