Delphi ActiveX Stripe: Create a Coupon

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Creates a coupon object.

Documentation: https://stripe.com/docs/api/curl#create_coupon

CURL Command

curl https://api.stripe.com/v1/coupons \
   -u STRIPE_SECRET_KEY: \
   -d percent_off=25 \
   -d duration=repeating \
   -d duration_in_months=3 \
   -d id=25OFF \
   -X POST

Delphi ActiveX Example

var
rest: TChilkatRest;
success: Integer;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
strResponseBody: WideString;
jsonResponse: TChilkatJsonObject;
id: WideString;
object: WideString;
amount_off: Integer;
created: Integer;
currency: Integer;
duration: WideString;
duration_in_months: Integer;
livemode: Integer;
max_redemptions: Integer;
percent_off: Integer;
redeem_by: Integer;
times_redeemed: Integer;
valid: Integer;

begin
rest := TChilkatRest.Create(Self);

//  URL: https://api.stripe.com/v1/coupons
bTls := 1;
port := 443;
bAutoReconnect := 1;
success := rest.Connect('api.stripe.com',port,bTls,bAutoReconnect);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.SetAuthBasic('STRIPE_SECRET_KEY','');

rest.AddQueryParam('percent_off','25');
rest.AddQueryParam('duration','repeating');
rest.AddQueryParam('duration_in_months','3');
rest.AddQueryParam('id','25OFF');

strResponseBody := rest.FullRequestFormUrlEncoded('POST','/v1/coupons');
if (rest.LastMethodSuccess <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

jsonResponse := TChilkatJsonObject.Create(Self);
jsonResponse.Load(strResponseBody);

id := jsonResponse.StringOf('id');
object := jsonResponse.StringOf('object');
amount_off := jsonResponse.IsNullOf('amount_off');
created := jsonResponse.IntOf('created');
currency := jsonResponse.IsNullOf('currency');
duration := jsonResponse.StringOf('duration');
duration_in_months := jsonResponse.IntOf('duration_in_months');
livemode := jsonResponse.BoolOf('livemode');
max_redemptions := jsonResponse.IsNullOf('max_redemptions');
percent_off := jsonResponse.IntOf('percent_off');
redeem_by := jsonResponse.IsNullOf('redeem_by');
times_redeemed := jsonResponse.IntOf('times_redeemed');
valid := jsonResponse.BoolOf('valid');

Sample JSON Response Body

{
  "id": "25OFF",
  "object": "coupon",
  "amount_off": null,
  "created": 1516662783,
  "currency": null,
  "duration": "repeating",
  "duration_in_months": 3,
  "livemode": false,
  "max_redemptions": null,
  "metadata": {},
  "percent_off": 25,
  "redeem_by": null,
  "times_redeemed": 0,
  "valid": true
}