C# Requires Chilkat v11.0.0+

PayPal: Delete an unsent draft invoice

See more PayPal Examples

This example deliberately checks for DRAFT before deletion. Use the invoice ID from your own records. A successful DELETE has no response body; use cancellation for a sent, unpaid invoice.

PayPal documentation

C#

bool 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.
Chilkat.Http http = new Chilkat.Http();
http.AuthToken = "SANDBOX_ACCESS_TOKEN";
Chilkat.HttpResponse resp = new Chilkat.HttpResponse();

http.SetUrlVar("id","INVOICE_ID");

success = http.HttpNoBody("GET","https://api-m.sandbox.paypal.com/v2/invoicing/invoices/{$id}",resp);
if (success != true) {
    Debug.WriteLine("No HTTP response: " + http.LastErrorText);
    return;
}

if ((resp.StatusCode < 200) || (resp.StatusCode >= 300)) {
    Chilkat.JsonObject errorInfo = new Chilkat.JsonObject();
    errorInfo.Load(resp.BodyStr);
    Debug.WriteLine("HTTP " + Convert.ToString(resp.StatusCode) + " " + errorInfo.StringOf("name") + " " + errorInfo.StringOf("details[0].issue"));
    Debug.WriteLine("PayPal debug ID: " + errorInfo.StringOf("debug_id"));
    return;
}

Chilkat.JsonObject result = new Chilkat.JsonObject();
bool parsed = result.Load(resp.BodyStr);
if (parsed != true) {
    Debug.WriteLine("Expected a JSON response; HTTP " + Convert.ToString(resp.StatusCode));
    return;
}

if (result.StringOfEquals("status","DRAFT",true) != true) {
    Debug.WriteLine("Leaving invoice unchanged: " + result.StringOf("status"));
    return;
}

success = http.HttpNoBody("DELETE","https://api-m.sandbox.paypal.com/v2/invoicing/invoices/{$id}",resp);
if (success != true) {
    Debug.WriteLine("No HTTP response: " + http.LastErrorText);
    return;
}

if ((resp.StatusCode < 200) || (resp.StatusCode >= 300)) {
    Chilkat.JsonObject deleteError = new Chilkat.JsonObject();
    deleteError.Load(resp.BodyStr);
    Debug.WriteLine("HTTP " + Convert.ToString(resp.StatusCode) + " " + deleteError.StringOf("name") + " " + deleteError.StringOf("details[0].issue"));
    Debug.WriteLine("PayPal debug ID: " + deleteError.StringOf("debug_id"));
    return;
}

Debug.WriteLine("Draft deleted; HTTP " + Convert.ToString(resp.StatusCode));