Delphi ActiveX Requires Chilkat v11.0.0+

PayPal: Look up a checkout order

See more PayPal Examples

Read intent, order status and the amount requested for each purchase unit. A completed checkout order can contain payment resources with their own statuses; use their IDs to inspect individual captures or authorizations.

PayPal documentation

Delphi ActiveX

var
success: Integer;
http: TChilkatHttp;
resp: TChilkatHttpResponse;
errorInfo: TChilkatJsonObject;
result: TChilkatJsonObject;
parsed: Integer;
i: Integer;

begin
success := 0;

//  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 := TChilkatHttp.Create(Self);
http.AuthToken := 'SANDBOX_ACCESS_TOKEN';
resp := TChilkatHttpResponse.Create(Self);

//  Look up the order itself; its ID does not identify an individual capture.

http.SetUrlVar('id','ORDER_ID');

success := http.HttpNoBody('GET','https://api-m.sandbox.paypal.com/v2/checkout/orders/{$id}',resp.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add('No HTTP response: ' + http.LastErrorText);
    Exit;
  end;
if ((resp.StatusCode < 200) or (resp.StatusCode >= 300)) then
  begin
    errorInfo := TChilkatJsonObject.Create(Self);
    errorInfo.Load(resp.BodyStr);
    Memo1.Lines.Add('HTTP ' + IntToStr(resp.StatusCode) + ' ' + errorInfo.StringOf('name') + ' ' + errorInfo.StringOf('details[0].issue'));
    Memo1.Lines.Add('PayPal debug ID: ' + errorInfo.StringOf('debug_id'));
    Exit;
  end;

result := TChilkatJsonObject.Create(Self);
parsed := result.Load(resp.BodyStr);
if (parsed <> 1) then
  begin
    Memo1.Lines.Add('Expected a JSON response; HTTP ' + IntToStr(resp.StatusCode));
    Exit;
  end;
Memo1.Lines.Add('ID: ' + result.StringOf('id'));
Memo1.Lines.Add('Status: ' + result.StringOf('status'));
Memo1.Lines.Add('Intent: ' + result.StringOf('intent'));
i := 0;
while (i < result.SizeOfArray('purchase_units')) do
  begin
    result.I := i;
    Memo1.Lines.Add(result.StringOf('purchase_units[i].reference_id') + ': ' + result.StringOf('purchase_units[i].amount.value') + ' ' + result.StringOf('purchase_units[i].amount.currency_code'));
    i := i + 1;
  end;