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Go Requires Chilkat v11.0.0+

PayPal: Cancel a sent, unpaid invoice

See more PayPal Examples

Cancel an unpaid invoice that has already been sent and notify the customer why. For a draft use delete instead. Cancellation does not return funds.

PayPal documentation

Chilkat Go Downloads

Go
    success := false

    //  See Unlock Chilkat before making requests.
    //  For the merchant's internal backoffice application. Load the sandbox token
    //  from the merchant's credential store. Keep it out of publicly distributed apps.
    //  See Get a PayPal access token.
    http := chilkat.NewHttp()
    http.SetAuthToken("SANDBOX_ACCESS_TOKEN")
    resp := chilkat.NewHttpResponse()

    //  This cancels a sent, unpaid invoice. It does not send a refund.

    http.SetUrlVar("id","INVOICE_ID")
    body := chilkat.NewJsonObject()
    body.UpdateString("subject","Inspection invoice canceled")
    body.UpdateString("note","The inspection was canceled before work began.")
    body.UpdateBool("send_to_recipient",true)

    success = http.HttpJson("POST","https://api-m.sandbox.paypal.com/v2/invoicing/invoices/{$id}/cancel",body,"application/json",resp)
    if success != true {
        fmt.Println("No HTTP response: ", http.LastErrorText())
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        body.DisposeJsonObject()
        return
    }

    if (resp.StatusCode() < 200) || (resp.StatusCode() >= 300) {
        errorInfo := chilkat.NewJsonObject()
        errorInfo.Load(resp.BodyStr())
        fmt.Println("HTTP ", resp.StatusCode(), " ", *errorInfo.StringOf("name"), " ", *errorInfo.StringOf("details[0].issue"))
        fmt.Println("PayPal debug ID: ", *errorInfo.StringOf("debug_id"))
        http.DisposeHttp()
        resp.DisposeHttpResponse()
        body.DisposeJsonObject()
        errorInfo.DisposeJsonObject()
        return
    }

    fmt.Println("Cancellation accepted; HTTP ", resp.StatusCode())

    http.DisposeHttp()
    resp.DisposeHttpResponse()
    body.DisposeJsonObject()
    errorInfo.DisposeJsonObject()