Delphi ActiveX Stripe: Create a Card Token

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Creates a single use token that wraps the details of a credit card. This token can be used in place of a credit card dictionary with any API method.

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

CURL Command

curl https://api.stripe.com/v1/tokens \
   -u STRIPE_SECRET_KEY: \
   -d card[number]=4242424242424242 \
   -d card[exp_month]=12 \
   -d card[exp_year]=2019 \
   -d card[cvc]=123
   -X POST

Delphi ActiveX Example

var
rest: TChilkatRest;
success: Integer;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
strResponseBody: WideString;
jsonResponse: TChilkatJsonObject;
id: WideString;
object: WideString;
cardId: WideString;
cardObject: WideString;
cardAddress_city: Integer;
cardAddress_country: Integer;
cardAddress_line1: Integer;
cardAddress_line1_check: Integer;
cardAddress_line2: Integer;
cardAddress_state: Integer;
cardAddress_zip: Integer;
cardAddress_zip_check: Integer;
cardBrand: WideString;
cardCountry: WideString;
cardCvc_check: Integer;
cardDynamic_last4: Integer;
cardExp_month: Integer;
cardExp_year: Integer;
cardFingerprint: WideString;
cardFunding: WideString;
cardLast4: WideString;
cardName: Integer;
cardTokenization_method: Integer;
client_ip: Integer;
created: Integer;
livemode: Integer;
type: WideString;
used: Integer;

begin
rest := TChilkatRest.Create(Self);

//  URL: https://api.stripe.com/v1/tokens
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('card[number]','4242424242424242');
rest.AddQueryParam('card[exp_month]','12');
rest.AddQueryParam('card[exp_year]','2019');
rest.AddQueryParam('card[cvc]','123');

strResponseBody := rest.FullRequestFormUrlEncoded('POST','/v1/tokens');
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');
cardId := jsonResponse.StringOf('card.id');
cardObject := jsonResponse.StringOf('card.object');
cardAddress_city := jsonResponse.IsNullOf('card.address_city');
cardAddress_country := jsonResponse.IsNullOf('card.address_country');
cardAddress_line1 := jsonResponse.IsNullOf('card.address_line1');
cardAddress_line1_check := jsonResponse.IsNullOf('card.address_line1_check');
cardAddress_line2 := jsonResponse.IsNullOf('card.address_line2');
cardAddress_state := jsonResponse.IsNullOf('card.address_state');
cardAddress_zip := jsonResponse.IsNullOf('card.address_zip');
cardAddress_zip_check := jsonResponse.IsNullOf('card.address_zip_check');
cardBrand := jsonResponse.StringOf('card.brand');
cardCountry := jsonResponse.StringOf('card.country');
cardCvc_check := jsonResponse.IsNullOf('card.cvc_check');
cardDynamic_last4 := jsonResponse.IsNullOf('card.dynamic_last4');
cardExp_month := jsonResponse.IntOf('card.exp_month');
cardExp_year := jsonResponse.IntOf('card.exp_year');
cardFingerprint := jsonResponse.StringOf('card.fingerprint');
cardFunding := jsonResponse.StringOf('card.funding');
cardLast4 := jsonResponse.StringOf('card.last4');
cardName := jsonResponse.IsNullOf('card.name');
cardTokenization_method := jsonResponse.IsNullOf('card.tokenization_method');
client_ip := jsonResponse.IsNullOf('client_ip');
created := jsonResponse.IntOf('created');
livemode := jsonResponse.BoolOf('livemode');
type := jsonResponse.StringOf('type');
used := jsonResponse.BoolOf('used');

Sample JSON Response Body

{
  "id": "tok_1BnETKGswQrCoh0XIvDUT3mu",
  "object": "token",
  "card": {
    "id": "card_1BnETKGswQrCoh0XGXCaLCT2",
    "object": "card",
    "address_city": null,
    "address_country": null,
    "address_line1": null,
    "address_line1_check": null,
    "address_line2": null,
    "address_state": null,
    "address_zip": null,
    "address_zip_check": null,
    "brand": "Visa",
    "country": "US",
    "cvc_check": null,
    "dynamic_last4": null,
    "exp_month": 8,
    "exp_year": 2019,
    "fingerprint": "F9mANtIt1TaukpRJ",
    "funding": "credit",
    "last4": "4242",
    "metadata": {},
    "name": null,
    "tokenization_method": null
  },
  "client_ip": null,
  "created": 1516662782,
  "livemode": false,
  "type": "card",
  "used": false
}