Delphi DLL 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 DLL Example

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

begin
rest := CkRest_Create();

//  URL: https://api.stripe.com/v1/tokens
bTls := True;
port := 443;
bAutoReconnect := True;
success := CkRest_Connect(rest,'api.stripe.com',port,bTls,bAutoReconnect);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

CkRest_SetAuthBasic(rest,'STRIPE_SECRET_KEY','');

CkRest_AddQueryParam(rest,'card[number]','4242424242424242');
CkRest_AddQueryParam(rest,'card[exp_month]','12');
CkRest_AddQueryParam(rest,'card[exp_year]','2019');
CkRest_AddQueryParam(rest,'card[cvc]','123');

strResponseBody := CkRest__fullRequestFormUrlEncoded(rest,'POST','/v1/tokens');
if (CkRest_getLastMethodSuccess(rest) <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

jsonResponse := CkJsonObject_Create();
CkJsonObject_Load(jsonResponse,strResponseBody);

id := CkJsonObject__stringOf(jsonResponse,'id');
object := CkJsonObject__stringOf(jsonResponse,'object');
cardId := CkJsonObject__stringOf(jsonResponse,'card.id');
cardObject := CkJsonObject__stringOf(jsonResponse,'card.object');
cardAddress_city := CkJsonObject_IsNullOf(jsonResponse,'card.address_city');
cardAddress_country := CkJsonObject_IsNullOf(jsonResponse,'card.address_country');
cardAddress_line1 := CkJsonObject_IsNullOf(jsonResponse,'card.address_line1');
cardAddress_line1_check := CkJsonObject_IsNullOf(jsonResponse,'card.address_line1_check');
cardAddress_line2 := CkJsonObject_IsNullOf(jsonResponse,'card.address_line2');
cardAddress_state := CkJsonObject_IsNullOf(jsonResponse,'card.address_state');
cardAddress_zip := CkJsonObject_IsNullOf(jsonResponse,'card.address_zip');
cardAddress_zip_check := CkJsonObject_IsNullOf(jsonResponse,'card.address_zip_check');
cardBrand := CkJsonObject__stringOf(jsonResponse,'card.brand');
cardCountry := CkJsonObject__stringOf(jsonResponse,'card.country');
cardCvc_check := CkJsonObject_IsNullOf(jsonResponse,'card.cvc_check');
cardDynamic_last4 := CkJsonObject_IsNullOf(jsonResponse,'card.dynamic_last4');
cardExp_month := CkJsonObject_IntOf(jsonResponse,'card.exp_month');
cardExp_year := CkJsonObject_IntOf(jsonResponse,'card.exp_year');
cardFingerprint := CkJsonObject__stringOf(jsonResponse,'card.fingerprint');
cardFunding := CkJsonObject__stringOf(jsonResponse,'card.funding');
cardLast4 := CkJsonObject__stringOf(jsonResponse,'card.last4');
cardName := CkJsonObject_IsNullOf(jsonResponse,'card.name');
cardTokenization_method := CkJsonObject_IsNullOf(jsonResponse,'card.tokenization_method');
client_ip := CkJsonObject_IsNullOf(jsonResponse,'client_ip');
created := CkJsonObject_IntOf(jsonResponse,'created');
livemode := CkJsonObject_BoolOf(jsonResponse,'livemode');
type := CkJsonObject__stringOf(jsonResponse,'type');
used := CkJsonObject_BoolOf(jsonResponse,'used');

CkRest_Dispose(rest);
CkJsonObject_Dispose(jsonResponse);

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
}