diff --git a/lib/iyzipay.d.ts b/lib/iyzipay.d.ts
new file mode 100644
index 0000000..300a52f
--- /dev/null
+++ b/lib/iyzipay.d.ts
@@ -0,0 +1,327 @@
+import {
+	ApiTest,
+	APM,
+	Approval,
+	BinNumber,
+	BKM,
+	BKMInitialize,
+	Cancel,
+	Card,
+	CardList,
+	CheckoutForm,
+	CheckoutFormInitialize,
+	Disapproval,
+	InstallmentInfo,
+	Payment,
+	PaymentItem,
+	PayoutCompletedTransactionList,
+	PeccoInitialize,
+	PeccoPayment,
+	Refund,
+	RefundToBalance,
+	SettlementToBalance,
+	SubMerchant,
+	Subscription,
+	SubscriptionCard,
+	SubscriptionCheckoutForm,
+	SubscriptionCustomer,
+	SubscriptionExistingCustomer,
+	SubscriptionPayment,
+	SubscriptionPricingPlan,
+	SubscriptionProduct,
+	ThreedsInitialize,
+	ThreedsPayment,
+	UniversalCardStorageInitialize,
+} from './resources/_resources';
+
+export type IyzipayStatus = 'success' | 'failure';
+export type IyzipayLocale = 'tr' | 'en';
+export type IyzipayCurrency =
+	| 'TRY'
+	| 'EUR'
+	| 'USD'
+	| 'IRR'
+	| 'GBP'
+	| 'NOK'
+	| 'RUB'
+	| 'CHF';
+export type IyzipayRefundReason =
+	| 'double_payment'
+	| 'buyer_request'
+	| 'fraud'
+	| 'other';
+export type IyzipayPaymentChannel =
+	| 'WEB'
+	| 'MOBILE'
+	| 'MOBILE_WEB'
+	| 'MOBILE_IOS'
+	| 'MOBILE_ANDROID'
+	| 'MOBILE_WINDOWS'
+	| 'MOBILE_TABLET'
+	| 'MOBILE_PHONE';
+export type IyzipayPaymentGroup = 'PRODUCT' | 'LISTING' | 'SUBSCRIPTION';
+export type IyzipayCardType = 'CREDIT_CARD' | 'DEBIT_CARD' | 'PREPAID_CARD';
+export type IyzipayCardAssociation =
+	| 'TROY'
+	| 'VISA'
+	| 'MASTER_CARD'
+	| 'AMERICAN_EXPRESS';
+export type IyzipayCardFamily =
+	| 'Bonus'
+	| 'Axess'
+	| 'World'
+	| 'Maximum'
+	| 'Paraf'
+	| 'CardFinans'
+	| 'Advantage';
+export type IyzipaySubMerchantType =
+	| 'PRIVATE_COMPANY'
+	| 'LIMITED_OR_JOINT_STOCK_COMPANY'
+	| 'PERSONAL';
+export type IyzipaySubscriptionInterval =
+	| 'DAILY'
+	| 'WEEKLY'
+	| 'MONTHLY'
+	| 'YEARLY';
+export type IyzipayPlanPaymentType = 'RECURRING';
+export type IyzipaySubscriptionUpgradePeriod = 'NOW';
+export type IyzipaySubscriptionStatus =
+	| 'EXPIRED'
+	| 'UNPAID'
+	| 'CANCELED'
+	| 'ACTIVE'
+	| 'PENDING'
+	| 'UPGRADED';
+export type IyzipaySubscriptionInitialStatus = 'ACTIVE' | 'PENDING';
+export type IyzipayBasketItemType = 'VIRTUAL' | 'PHYSICAL';
+export type IyzipayAPMType = 'SOFORT' | 'IDEAL' | 'QIWI' | 'GIROPAY';
+
+export interface IyzipayBuyer {
+	id: string;
+	name: string;
+	surname: string;
+	identityNumber: string;
+	city: string;
+	country: string;
+	email: string;
+	gsmNumber?: string;
+	ip: string;
+	registrationAddress: string;
+	zipCode?: string;
+	registrationDate?: Date;
+	lastLoginDate?: Date;
+}
+
+export interface IyzipayBillingShipping {
+	contactName: string;
+	city: string;
+	country: string;
+	address: string;
+	zipCode?: string;
+}
+
+export interface IyzipayItem {
+	id: string;
+	itemType: IyzipayBasketItemType;
+	name: string;
+	category1: string;
+	category2?: string;
+	price: number;
+	subMerchantKey?: string;
+	subMerchantPrice?: number;
+}
+
+export interface IyzipayCustomer {
+	name: string;
+	surname: string;
+	identityNumber: string;
+	email: string;
+	gsmNumber: string;
+	billingAddress: IyzipayBillingShipping;
+	shippingAddress: IyzipayBillingShipping;
+}
+
+export interface IyzipayPaymentCard {
+	cardNumber: string;
+	expireYear: string;
+	expireMonth: string;
+	cvc: string;
+	cardHolderName: string;
+	registerCard?: number;
+	cardAlias?: string;
+	registerConsumerCard?: boolean;
+}
+
+export interface IyzipayRegisteredCard {
+	cardUserKey: string;
+	cardToken: string;
+}
+
+export interface IyzipayUCSCard {
+	ucsToken: string;
+	cardToken: string;
+	consumerToken: string;
+	registerConsumerCard: boolean | false;
+}
+
+export interface IyzipayConfig {
+	uri: string;
+	apiKey: string;
+	secretKey: string;
+}
+
+declare module 'iyzipay' {
+	class Iyzipay {
+		constructor(config: IyzipayConfig);
+
+		private _config: IyzipayConfig;
+
+		public static readonly LOCALE: { [key: string]: IyzipayLocale } = {
+			TR: 'tr',
+			EN: 'en',
+		};
+
+		public static readonly PAYMENT_GROUP: {
+			[key: string]: IyzipayPaymentGroup;
+		} = {
+			PRODUCT: 'PRODUCT',
+			LISTING: 'LISTING',
+			SUBSCRIPTION: 'SUBSCRIPTION',
+		};
+
+		public static readonly BASKET_ITEM_TYPE: {
+			[key: string]: IyzipayBasketItemType;
+		} = {
+			PHYSICAL: 'PHYSICAL',
+			VIRTUAL: 'VIRTUAL',
+		};
+
+		public static readonly PAYMENT_CHANNEL: {
+			[key: string]: IyzipayPaymentChannel;
+		} = {
+			MOBILE: 'MOBILE',
+			WEB: 'WEB',
+			MOBILE_WEB: 'MOBILE_WEB',
+			MOBILE_IOS: 'MOBILE_IOS',
+			MOBILE_ANDROID: 'MOBILE_ANDROID',
+			MOBILE_WINDOWS: 'MOBILE_WINDOWS',
+			MOBILE_TABLET: 'MOBILE_TABLET',
+			MOBILE_PHONE: 'MOBILE_PHONE',
+		};
+
+		public static readonly SUB_MERCHANT_TYPE: {
+			[key: string]: IyzipaySubMerchantType;
+		} = {
+			PERSONAL: 'PERSONAL',
+			PRIVATE_COMPANY: 'PRIVATE_COMPANY',
+			LIMITED_OR_JOINT_STOCK_COMPANY: 'LIMITED_OR_JOINT_STOCK_COMPANY',
+		};
+
+		public static readonly CURRENCY: {
+			[key: string]: IyzipayCurrency;
+		} = {
+			TRY: 'TRY',
+			EUR: 'EUR',
+			USD: 'USD',
+			IRR: 'IRR',
+			GBP: 'GBP',
+			NOK: 'NOK',
+			RUB: 'RUB',
+			CHF: 'CHF',
+		};
+
+		public static readonly APM_TYPE: {
+			[key: string]: IyzipayAPMType;
+		} = {
+			SOFORT: 'SOFORT',
+			IDEAL: 'IDEAL',
+			QIWI: 'QIWI',
+			GIROPAY: 'GIROPAY',
+		};
+
+		public static readonly REFUND_REASON: {
+			[key: string]: IyzipayRefundReason;
+		} = {
+			DOUBLE_PAYMENT: 'double_payment',
+			BUYER_REQUEST: 'buyer_request',
+			FRAUD: 'fraud',
+			OTHER: 'other',
+		};
+
+		public static readonly PLAN_PAYMENT_TYPE: {
+			[key: string]: IyzipayPlanPaymentType;
+		} = {
+			RECURRING: 'RECURRING',
+		};
+
+		public static readonly SUBSCRIPTION_PRICING_PLAN_INTERVAL: {
+			[key: string]: IyzipaySubscriptionInterval;
+		} = {
+			DAILY: 'DAILY',
+			WEEKLY: 'WEEKLY',
+			MONTHLY: 'MONTHLY',
+			YEARLY: 'YEARLY',
+		};
+
+		public static readonly SUBSCRIPTION_UPGRADE_PERIOD: {
+			[key: string]: IyzipaySubscriptionUpgradePeriod;
+		} = {
+			NOW: 'NOW',
+		};
+
+		public static readonly SUBSCRIPTION_STATUS: {
+			[key: string]: IyzipaySubscriptionStatus;
+		} = {
+			EXPIRED: 'EXPIRED',
+			UNPAID: 'UNPAID',
+			CANCELED: 'CANCELED',
+			ACTIVE: 'ACTIVE',
+			PENDING: 'PENDING',
+			UPGRADED: 'UPGRADED',
+		};
+
+		public static readonly SUBSCRIPTION_INITIAL_STATUS: {
+			[key: string]: IyzipaySubscriptionInitialStatus;
+		} = {
+			ACTIVE: 'ACTIVE',
+			PENDING: 'PENDING',
+		};
+
+		apiTest: ApiTest;
+		approval: Approval;
+		disapproval: Disapproval;
+		binNumber: BinNumber;
+		bkmInitialize: BKMInitialize;
+		bkm: BKM;
+		cancel: Cancel;
+		card: Card;
+		cardList: CardList;
+		checkoutFormInitialize: CheckoutFormInitialize;
+		checkoutForm: CheckoutForm;
+		universalCardStorageInitialize: UniversalCardStorageInitialize;
+		installmentInfo: InstallmentInfo;
+		payment: Payment;
+		paymentItem: PaymentItem;
+		peccoInitialize: PeccoInitialize;
+		peccoPayment: PeccoPayment;
+		refund: Refund;
+		refundToBalance: RefundToBalance;
+		payoutCompletedTransactionList: PayoutCompletedTransactionList;
+		bouncedBankTransferList: PayoutCompletedTransactionList;
+		settlementToBalance: SettlementToBalance;
+		subMerchant: SubMerchant;
+		subscription: Subscription;
+		subscriptionExistingCustomer: SubscriptionExistingCustomer;
+		subscriptionCard: SubscriptionCard;
+		subscriptionCheckoutForm: SubscriptionCheckoutForm;
+		subscriptionCustomer: SubscriptionCustomer;
+		subscriptionPayment: SubscriptionPayment;
+		subscriptionProduct: SubscriptionProduct;
+		subscriptionPricingPlan: SubscriptionPricingPlan;
+		threedsInitialize: ThreedsInitialize;
+		threedsPayment: ThreedsPayment;
+		apm: APM;
+	}
+
+	export = Iyzipay;
+}
diff --git a/lib/resources/_resources.d.ts b/lib/resources/_resources.d.ts
new file mode 100644
index 0000000..1f1aa89
--- /dev/null
+++ b/lib/resources/_resources.d.ts
@@ -0,0 +1,813 @@
+import {
+	IyzipayAPMType,
+	IyzipayBillingShipping,
+	IyzipayBuyer,
+	IyzipayCardAssociation,
+	IyzipayCardFamily,
+	IyzipayCardType,
+	IyzipayCurrency,
+	IyzipayCustomer,
+	IyzipayItem,
+	IyzipayLocale,
+	IyzipayPaymentCard,
+	IyzipayPaymentChannel,
+	IyzipayPaymentGroup,
+	IyzipayPlanPaymentType,
+	IyzipayRefundReason,
+	IyzipayRegisteredCard,
+	IyzipayStatus,
+	IyzipaySubMerchantType,
+	IyzipaySubscriptionInitialStatus,
+	IyzipaySubscriptionInterval,
+	IyzipaySubscriptionStatus,
+	IyzipaySubscriptionUpgradePeriod,
+	IyzipayUCSCard,
+} from '../iyzipay';
+
+interface DefaultResult {
+	status: IyzipayStatus;
+	errorCode?: string;
+	errorMessage?: string;
+	errorGroup?: string;
+	locale: IyzipayLocale;
+	systemTime: number;
+	conversationId?: string;
+}
+
+interface DefaultRequest {
+	locale?: IyzipayLocale;
+	conversationId?: string;
+}
+
+interface Token {
+	token: string;
+	tokenExpireTime: number;
+}
+
+interface RetrieveList {
+	page: number;
+	count: number;
+}
+
+export interface ApiTest {
+	retrieve({}, callback: (err: any, result: DefaultResult) => void);
+}
+
+interface ApprovalResult extends DefaultResult {
+	paymentTransactionId: string;
+}
+
+export interface Approval {
+	create(
+		request: DefaultRequest & {
+			paymentTransactionId: string;
+		},
+		callback: (err: any, result: ApprovalResult) => void
+	);
+}
+
+export interface Disapproval {
+	create(
+		request: DefaultRequest & {
+			paymentTransactionId: string;
+		},
+		callback: (err: any, result: ApprovalResult) => void
+	);
+}
+
+interface BinNumberResult extends DefaultResult {
+	binNumber?: string;
+	cardType?: string;
+	cardAssociation?: string;
+	cardFamily?: string;
+	bankName?: string;
+	bankCode?: number;
+	commercial?: number;
+}
+
+export interface BinNumber {
+	retrieve(
+		request: DefaultRequest & {
+			binNumber: string;
+		},
+		callback: (err: any, result: BinNumberResult) => void
+	);
+}
+
+export interface BKMInitialize {
+	create(
+		request: DefaultRequest & {
+			price: number;
+			currency: 'TRY' | 'USD' | 'EUR' | 'GBP';
+			installment: number;
+			basketId?: string;
+			paymentChannel?: IyzipayPaymentChannel;
+			paymentGroup?: IyzipayPaymentGroup;
+			buyer: IyzipayBuyer;
+			billingAddress: IyzipayBillingShipping;
+			shippingAddress: IyzipayBillingShipping;
+			basketItems: IyzipayItem[];
+		},
+		callback: (
+			err: any,
+			result: DefaultResult &
+				Token & {
+					htmlContent: string;
+					redirectUrl: string;
+				}
+		) => void
+	);
+}
+
+export interface BKM {
+	retrieve(
+		request: DefaultRequest & Token,
+		callback: (
+			err: any,
+			result: PaymentResult &
+				Token & {
+					paymentStatus: string;
+				}
+		) => void
+	);
+}
+
+export interface Cancel {
+	create(
+		request: DefaultRequest & {
+			ip: string;
+			paymentId: string;
+			reason?: IyzipayRefundReason;
+			description?: string;
+		},
+		callback: (
+			err: any,
+			result: DefaultResult & {
+				price: number;
+				currency?: IyzipayCurrency;
+				paymentId: number;
+				authCode?: string;
+				hostReference?: string;
+			}
+		) => void
+	);
+}
+
+interface CardResult extends DefaultResult {
+	binNumber: string;
+	cardType?: IyzipayCardType;
+	cardAssociation?: IyzipayCardAssociation;
+	cardFamily?: IyzipayCardFamily;
+	cardBankName?: string;
+	cardBankCode?: number;
+	email: string;
+	cardUserKey: string;
+	cardToken: string;
+	cardAlias: string;
+}
+
+export interface Card {
+	create(
+		request: DefaultRequest & {
+			card: {
+				cardAlias: string;
+				cardHolderName: string;
+				cardNumber: string;
+				expireMonth: string;
+				expireYear: string;
+			};
+			email: string;
+			externalId?: string;
+		},
+		callback: (err: any, result: CardResult) => void
+	);
+	delete(
+		request: DefaultRequest & {
+			cardToken: string;
+			cardUserKey: string;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+}
+
+interface CardListResult extends DefaultResult {
+	cardUserKey: string;
+	cardDetails?: {
+		cardToken: string;
+		cardAlias: string;
+		binNumber: string;
+		lastFourDigits: string;
+		cardType: IyzipayCardType;
+		cardAssociation: IyzipayCardAssociation;
+		cardFamily: IyzipayCardFamily;
+		cardBankCode: number;
+		cardBankName: string;
+	}[];
+}
+
+export interface CardList {
+	retrieve(
+		request: DefaultRequest & {
+			cardUserKey: string;
+		},
+		callback: (err: any, result: CardListResult) => void
+	);
+}
+
+export interface CheckoutFormInitialize {
+	create(
+		request: DefaultRequest & {
+			price: number;
+			paidPrice: number;
+			currency: IyzipayCurrency;
+			installment: number;
+			basketId?: string;
+			paymentChannel?: IyzipayPaymentChannel;
+			paymentGroup?: IyzipayPaymentGroup;
+			callbackUrl: string;
+			buyer: IyzipayBuyer;
+			shippingAddress: IyzipayBillingShipping;
+			billingAddress: IyzipayBillingShipping;
+			basketItems: IyzipayItem[];
+		},
+		callback: (
+			err: any,
+			result: DefaultResult &
+				Token & {
+					checkoutFormContent: string;
+					paymentPageUrl: string;
+				}
+		) => void
+	);
+}
+
+interface CheckoutFormResult extends PaymentResult {
+	callbackUrl: string;
+	paymentStatus: string;
+	mdStatus: string;
+	token: string;
+}
+
+export interface CheckoutForm {
+	retrieve(
+		request: DefaultRequest & Token,
+		callback: (err: any, result: CheckoutFormResult) => void
+	);
+}
+
+export interface UniversalCardStorageInitialize {
+	retrieve(
+		request: DefaultRequest & {
+			gsmNumber: string;
+			email: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+}
+
+interface InstallmentInfoResult extends DefaultResult {
+	installmentDetails: {
+		binNumber: string;
+		price: number;
+		cardType?: IyzipayCardType;
+		cardAssociation?: IyzipayCardAssociation;
+		cardFamilyName?: IyzipayCardFamily;
+		force3ds: string;
+		bankName?: string;
+		bankCode?: number;
+		installmentPrices: {
+			installmentPrice: string;
+			totalPrice: string;
+			installmentNumber: string;
+		};
+	};
+}
+
+export interface InstallmentInfo {
+	retrieve(
+		request: DefaultRequest & {
+			binNumber: string;
+			price: number;
+		},
+		callback: (err: any, result: InstallmentInfoResult) => void
+	);
+}
+
+interface PaymentRequest extends DefaultRequest {
+	price: number;
+	paidPrice: number;
+	currency: IyzipayCurrency;
+	installment: number;
+	basketId?: string;
+	paymentChannel?: IyzipayPaymentChannel;
+	paymentGroup?: IyzipayPaymentGroup;
+	paymentCard: IyzipayPaymentCard | IyzipayRegisteredCard;
+	buyer: IyzipayBuyer;
+	billingAddress: IyzipayBillingShipping;
+	shippingAddress: IyzipayBillingShipping;
+	basketItems: IyzipayItem[];
+}
+
+interface Payout {
+	paidPrice: number;
+	iyziCommissionRateAmount: number;
+	iyziCommissionFee: number;
+	blockageRateAmountMerchant: number;
+	blockageRateAmountSubMerchant: number;
+	subMerchantPayoutAmount: number;
+	merchantPayoutAmount: number;
+	iyziConversionRate: number;
+	iyziConversionRateAmount: number;
+}
+
+interface PaymentResult extends DefaultResult {
+	paymentId: string;
+	price: number;
+	paidPrice: number;
+	currency: IyzipayCurrency;
+	installment: number;
+	basketId?: string;
+	binNumber: string;
+	lastFourDigits: string;
+	cardAssociation?: IyzipayCardAssociation;
+	cardFamily?: IyzipayCardFamily;
+	cardType?: IyzipayCardType;
+	fraudStatus: number;
+	iyziCommissionFee: number;
+	iyziCommissionRateAmount: number;
+	merchantCommissionRate?: number;
+	merchantCommissionRateAmount?: number;
+	authCode: string;
+	phase: string;
+	hostReference: string;
+	itemTransactions: Payout &
+		{
+			itemId: string;
+			paymentTransactionId: string;
+			transactionStatus: number;
+			price: number;
+			merchantCommissionRate: number;
+			merchantCommissionRateAmount: number;
+			blockageRate: number;
+			blockageResolvedDate: string;
+			subMerchantPrice: number;
+			subMerchantPayoutRate: number;
+			merchantPayoutAmount: number;
+			convertedPayout: Payout & {
+				currency: IyzipayCurrency;
+			};
+		}[];
+}
+
+export interface Payment {
+	create(
+		request: PaymentRequest,
+		callback: (err: any, result: PaymentResult) => void
+	);
+	retrieve(
+		request: DefaultRequest & {
+			ip: string;
+			paymentId: string;
+			paymentConversationId?: string;
+		},
+		callback: (err: any, result: PaymentResult) => void
+	);
+}
+
+export interface PaymentItem {
+	update(
+		request: DefaultRequest &
+			IyzipayItem & {
+				paymentTransactionId: string;
+			},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface Refund {
+	create(
+		request: DefaultRequest & {
+			ip: string;
+			price: number;
+			paymentTransactionId: string;
+		},
+		callback: (
+			err: any,
+			result: DefaultResult & {
+				price: number;
+				currency: IyzipayCurrency;
+				paymentId: number;
+				paymentTransactionId: string;
+				hostReference: string;
+				reason?: IyzipayRefundReason;
+				description?: string;
+				authCode: string;
+				retryable: boolean;
+			}
+		) => void
+	);
+}
+
+export interface RefundToBalance {}
+
+export interface PayoutCompletedTransactionList {
+	retrieve(
+		request: DefaultRequest & {
+			date: Date;
+		},
+		callback: (err: any, result: any) => void
+	);
+}
+
+interface SubMerchantResult extends DefaultResult {
+	subMerchantKey: string;
+}
+
+export interface SubMerchant {
+	create(
+		request: DefaultRequest & {
+			name?: string;
+			gsmNumber?: string;
+			taxOffice: string;
+			legalCompanyTitle: string;
+			email: string;
+			address: string;
+			iban?: string;
+			subMerchantExternalId: string;
+			identityNumber?: string;
+			subMerchantType: IyzipaySubMerchantType;
+		},
+		callback: (err: any, SubMerchantResult) => void
+	);
+	update(
+		request: DefaultRequest & {
+			name?: string;
+			gsmNumber?: string;
+			taxOffice: string;
+			legalCompanyTitle: string;
+			email: string;
+			iban: string;
+			identityNumber?: string;
+			subMerchantKey: string;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+	retrieve(
+		request: DefaultRequest & {
+			subMerchantExternalId: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface ThreedsInitialize {
+	create(
+		request: PaymentRequest & {
+			callbackUrl: string;
+		},
+		callback: (
+			err: any,
+			result: DefaultResult & {
+				htmlContent: string;
+			}
+		) => void
+	);
+}
+
+export interface ThreedsPayment {
+	create(
+		request: DefaultRequest & {
+			paymentId: string;
+			conversationData?: string;
+		},
+		callback: (err: any, result: PaymentResult) => void
+	);
+}
+
+interface SubscriptionRequest {
+	status: IyzipayStatus;
+	systemTime: number;
+	referenceCode: string;
+	createdDate: string;
+	name: string;
+}
+
+export interface SubscriptionProduct {
+	create(
+		request: DefaultRequest & {
+			name: string;
+			description?: string;
+		},
+		callback: (
+			err: any,
+			result: SubscriptionRequest &
+				DefaultResult & {
+					description?: string;
+					pricingPlans: any[];
+				}
+		) => void
+	);
+	update(
+		request: DefaultRequest & {
+			productReferenceCode: string;
+			name?: string;
+			description?: string;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+	delete(
+		request: DefaultRequest & {
+			productReferenceCode: string;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+	retrieve(
+		request: DefaultRequest & {
+			productReferenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+	retrieveList(
+		request: DefaultRequest & RetrieveList,
+		callback: (err: any, result: any) => void
+	);
+}
+
+interface SubscriptionPlanRequest {
+	productReferenceCode: string;
+	name: string;
+	price: number;
+	currencyCode: IyzipayCurrency;
+	paymentInterval: IyzipaySubscriptionInterval;
+	paymentIntervalCount: number;
+	trialPeriodDays?: number;
+	planPaymentType: IyzipayPlanPaymentType;
+	recurrenceCount?: number;
+}
+
+export interface SubscriptionPricingPlan {
+	create(
+		request: DefaultRequest & SubscriptionPlanRequest,
+		callback: (
+			err: any,
+			result: SubscriptionRequest &
+				SubscriptionPlanRequest & {
+					data: {
+						status: string;
+					};
+				}
+		) => void
+	);
+	update(
+		request: DefaultRequest & {
+			pricingPlanReferenceCode: string;
+			name?: string;
+			trialPeriodDays?: number;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+	delete(
+		request: DefaultRequest & {
+			pricingPlanReferenceCode: string;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+	retrieve(
+		request: DefaultRequest & {
+			pricingPlanReferenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+	retrieveList(
+		request: DefaultRequest &
+			RetrieveList & {
+				pricingPlanReferenceCode: string;
+			},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface SubscriptionCustomer {
+	create(
+		request: DefaultRequest & {
+			name: string;
+			surname: string;
+			identityNumber: string;
+			email: string;
+			gsmNumber?: string;
+			billingAddress: IyzipayBillingShipping;
+			shippingAddress: IyzipayBillingShipping;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+	update(
+		request: DefaultRequest & {
+			customerReferenceCode: string;
+			name?: string;
+			surname?: string;
+			identityNumber?: string;
+			email?: string;
+			gsmNumber?: string;
+			billingAddress?: IyzipayBillingShipping;
+			shippingAddress?: IyzipayBillingShipping;
+		},
+		callback: (err: any, result: DefaultResult) => void
+	);
+	retrieve(
+		request: DefaultRequest & {
+			customerReferenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+	retrieveList(
+		request: DefaultRequest & RetrieveList,
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface SubscriptionCard {
+	update(
+		request: DefaultRequest & {
+			customerReferenceCode: string;
+			callbackUrl: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+	updateWithSubscriptionReferenceCode(
+		request: DefaultRequest & {
+			subscriptionReferenceCode: string;
+			callbackUrl: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface SubscriptionPayment {
+	retry(
+		request: DefaultRequest & {
+			referenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface Subscription {
+	initialize(
+		request: DefaultRequest & {
+			callbackUrl: string;
+			pricingPlanReferenceCode: string;
+			subscriptionInitialStatus: IyzipaySubscriptionInitialStatus;
+			customer: IyzipayCustomer;
+		},
+		callback: (err: any, result: any) => void
+	);
+	cancel(
+		request: DefaultRequest & {
+			subscriptionReferenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+	activate(
+		request: DefaultRequest & {
+			subscriptionReferenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+	upgrade(
+		request: DefaultRequest & {
+			subscriptionReferenceCode: string;
+			newPricingPlanReferenceCode: string;
+			upgradePeriod: IyzipaySubscriptionUpgradePeriod;
+			useTrial?: boolean;
+		},
+		callback: (err: any, result: any) => void
+	);
+	retrieve(
+		request: DefaultRequest & {
+			subscriptionReferenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+	search(
+		request: DefaultRequest &
+			RetrieveList & {
+				subscriptionReferenceCode: string;
+				parentReferenceCode: string;
+				customerReferenceCode: string;
+				pricingPlanReferenceCode: string;
+				subscriptionStatus: IyzipaySubscriptionStatus;
+				startDate: string;
+				endDate: string;
+			},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface SubscriptionCheckoutForm {
+	initialize(
+		request: DefaultRequest & {
+			callbackUrl: string;
+			pricingPlanReferenceCode: string;
+			subscriptionInitialStatus: IyzipaySubscriptionInitialStatus;
+			paymentCard:
+				| IyzipayPaymentCard
+				| IyzipayRegisteredCard
+				| IyzipayUCSCard;
+			customer: IyzipayCustomer;
+		},
+		callback: (
+			err: any,
+			result: DefaultResult &
+				Token & {
+					checkoutFormContent: string;
+				}
+		) => void
+	);
+	retrieve(
+		request: DefaultRequest & { token: string },
+		callback: (
+			err: any,
+			result: DefaultResult & {
+				referenceCode: string;
+				parentReferenceCode: string;
+				pricingPlanReferenceCode: number;
+				customerReferenceCode: string;
+				subscriptionStatus: IyzipaySubscriptionStatus;
+				trialDays?: number;
+				trialStartDate?: number;
+				trialEndDate?: number;
+				createdDate?: number;
+				startDate?: number;
+			}
+		) => void
+	);
+}
+
+export interface SubscriptionExistingCustomer {
+	initialize(
+		request: DefaultRequest & {
+			pricingPlanReferenceCode: string;
+			customerReferenceCode: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface SettlementToBalance {
+	create(
+		request: DefaultRequest & {
+			subMerchantKey: string;
+			callbackUrl: string;
+			price: number;
+		},
+		callback: (
+			err: any,
+			result: DefaultResult &
+				Token & {
+					url: string;
+					isSettingsAllTime: boolean;
+				}
+		) => void
+	);
+}
+
+export interface RefundToBalance {
+	create(
+		request: DefaultRequest & {
+			paymentId: string | number;
+			callbackUrl: string;
+		},
+		callback: (err: any, result: any) => void
+	);
+}
+
+export interface PeccoInitialize {
+	create(
+		request: PaymentRequest & {
+			callbackUrl: string;
+		},
+		callback: (err: any, result: PaymentResult & Token) => void
+	);
+}
+
+export interface PeccoPayment {
+	create(
+		request: DefaultRequest & Token,
+		callback: (err: any, result: DefaultResult) => void
+	);
+}
+
+export interface APM {
+	create(
+		request: PaymentRequest & {
+			countryCode: string;
+			accountHolderName: string;
+			merchantNotificationUrl: string;
+			merchantCallbackUrl: string;
+			merchantErrorUrl: string;
+			apmType: IyzipayAPMType;
+		},
+		callback: (err: any, result: PaymentResult & {}) => void
+	);
+	retrieve();
+}
diff --git a/package.json b/package.json
index 29147e1..2c1e404 100644
--- a/package.json
+++ b/package.json
@@ -2,6 +2,7 @@
   "name": "iyzipay",
   "version": "2.0.48",
   "description": "iyzipay api node.js client",
+  "typings": "lib/iyzipay.d.ts",
   "main": "lib/Iyzipay.js",
   "scripts": {
     "test": "mocha $(find test -name '*Test.js')",