diff --git a/README.md b/README.md
index c0db1cb..4197086 100644
--- a/README.md
+++ b/README.md
@@ -282,7 +282,333 @@ export function createPostCheckSumHeader(
     return { checksum, encodedBody: payload };
 }
 
+```
+###### phone-pe types
 
+```
+export interface PhonePeOptions {
+    mode: "production" | "test" | "uat";
+    redirectUrl: string;
+    callbackUrl: string;
+    merchant_id: string;
+    salt: string;
+  
+    /**
+     * Use this flag to capture payment immediately (default is false)
+     */
+    capture?: boolean;
+    /**
+     * set `automatic_payment_methods` to `{ enabled: true }`
+     */
+    automatic_payment_methods?: boolean;
+    /**
+     * Set a default description on the intent if the context does not provide one
+     */
+    payment_description?: string;
+  }
+  
+  export interface PaymentIntentOptions {
+    capture_method?: "automatic" | "manual";
+    setup_future_usage?: "on_session" | "off_session";
+    payment_method_types?: string[];
+  }
+  
+  export const ErrorCodes = {
+    PAYMENT_INTENT_UNEXPECTED_STATE: "payment_intent_unexpected_state",
+    UNSUPPORTED_OPERATION: "unsupported_operation",
+  };
+  
+  export const ErrorIntentStatus = {
+    SUCCEEDED: "succeeded",
+    CANCELED: "canceled",
+  };
+  
+  export const PaymentProviderKeys = {
+    PHONEPE: "phonepe",
+  };
+  
+  export type PaymentRequest =
+    | PaymentRequestUPI
+    | PaymentRequestUPICollect
+    | PaymentRequestUPIQr
+    | PaymentRequestWebFlow;
+  
+  export type PaymentResponse =
+    | PaymentResponseUPI
+    | PaymentResponseUPICollect
+    | PaymentResponseUPIQr
+    | PaymentResponseWebFlow;
+  
+  export interface PaymentRequestUPI {
+    merchantId: string;
+    merchantTransactionId: string;
+    merchantUserId: string;
+    redirectUrl: string;
+    redirectMode: string;
+    amount: number;
+    callbackUrl: string;
+    mobileNumber?: string;
+    deviceContext?: DeviceContext;
+    paymentInstrument: PaymentInstrumentUPI;
+  }
+  export interface PaymentResponseUPI {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data: PaymentResponseData;
+  }
+  
+  export interface PaymentResponseData {
+    merchantId: string;
+    merchantTransactionId: string;
+    instrumentResponse: InstrumentResponse;
+    customer: { id: string };
+  }
+  
+  export interface DeviceContext {
+    deviceOS: string;
+  }
+  
+  export interface AccountConstraint {
+    accountNumber: string;
+    ifsc: string;
+  }
+  
+  export interface PaymentRequestUPICollect {
+    merchantId: string;
+    merchantTransactionId: string;
+    merchantUserId: string;
+    redirectUrl: string;
+    redirectMode: string;
+    amount: number;
+    callbackUrl: string;
+    mobileNumber: string;
+    paymentInstrument: PaymentInstrument;
+  }
+  
+  export interface AccountConstraint {
+    accountNumber: string;
+    ifsc: string;
+  }
+  
+  export interface PaymentResponseUPICollect {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data: PaymentResponseUPICollectData;
+  }
+  
+  export interface PaymentResponseUPICollectData {
+    merchantId: string;
+    merchantTransactionId: string;
+    instrumentResponse: InstrumentResponse;
+  }
+  
+  export interface PaymentRequestUPIQr {
+    merchantId: string;
+    merchantTransactionId: string;
+    merchantUserId: string;
+    redirectUrl: string;
+    redirectMode: string;
+    amount: number;
+    callbackUrl: string;
+    mobileNumber: string;
+    paymentInstrument: PaymentInstrument;
+  }
+  
+  export interface AccountConstraint {
+    accountNumber: string;
+    ifsc: string;
+  }
+  
+  export interface PaymentResponseUPIQr {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data: PaymentResponseUPIQrData;
+  }
+  
+  export interface PaymentResponseUPIQrData {
+    merchantId: string;
+    merchantTransactionId: string;
+    instrumentResponse: InstrumentResponse;
+  }
+  
+  export interface InstrumentResponse {
+    type: string;
+    qrData?: string;
+    intentUrl?: string;
+    redirectInfo?: RedirectInfo;
+  }
+  
+  export interface PaymentRequestWebFlow {
+    merchantId: string;
+    merchantTransactionId: string;
+    merchantUserId: string;
+    amount: number;
+    redirectUrl: string;
+    redirectMode: string;
+    callbackUrl: string;
+    mobileNumber: string;
+    paymentInstrument: PaymentInstrument;
+  }
+  
+  export interface PaymentResponseWebFlow {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data: PaymentResponseWebFlowData;
+  }
+  
+  export interface PaymentResponseWebFlowData {
+    merchantId: string;
+    merchantTransactionId: string;
+    instrumentResponse: InstrumentResponse;
+  }
+  
+  export interface RedirectInfo {
+    url: string;
+    method: string;
+  }
+  
+  export interface RefundRequest {
+    merchantId: string;
+    merchantUserId: string;
+    originalTransactionId: string;
+    merchantTransactionId: string;
+    amount: number;
+    callbackUrl: string;
+  }
+  
+  export interface RefundResponse {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data: RefundResponseData;
+  }
+  
+  export interface RefundResponseData {
+    merchantId: string;
+    merchantTransactionId: string;
+    transactionId: string;
+    amount: number;
+    state: string;
+    responseCode: string;
+  }
+  
+  export type PaymentCheckStatusResponse =
+    | PaymentCheckStatusResponseUPI
+    | PaymentCheckStatusResponseCard
+    | PaymentCheckStatusResponseNetBanking;
+  
+  export interface PaymentCheckStatusResponseUPI {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data?: PaymentCheckStatusResponseUPIData;
+  }
+  
+  export interface PaymentCheckStatusResponseUPIData {
+    merchantId: string;
+    merchantTransactionId: string;
+    transactionId: string;
+    amount: number;
+    state: string;
+    responseCode: string;
+    paymentInstrument: PaymentInstrument;
+  }
+  
+  export interface PaymentCheckStatusResponseCard {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data: PaymentCheckStatusResponseCardData;
+  }
+  
+  export interface PaymentCheckStatusResponseCardData {
+    merchantId: string;
+    merchantTransactionId: string;
+    transactionId: string;
+    amount: number;
+    state: string;
+    responseCode: string;
+    paymentInstrument: PaymentInstrument;
+  }
+  
+  export type PaymentInstrument = PaymentInstrumentNetBanking &
+    PaymentInstrumentCard &
+    PaymentInstrumentUPI &
+    PaymentInstrumentWeb;
+  
+  export enum PaymentStatusCodeValues {
+    "BAD_REQUEST" = "BAD_REQUEST",
+    "AUTHORIZATION_FAILED" = "AUTHORIZATION_FAILED",
+    "INTERNAL_SERVER_ERROR" = "INTERNAL_SERVER_ERROR",
+    "TRANSACTION_NOT_FOUND" = "TRANSACTION_NOT_FOUND",
+    "PAYMENT_ERROR" = "PAYMENT_ERROR",
+    "PAYMENT_PENDING" = "PAYMENT_PENDING",
+    "PAYMENT_DECLINED" = "PAYMENT_DECLINED",
+    "TIMED_OUT" = "TIMED_OUT",
+    "PAYMENT_SUCCESS" = "PAYMENT_SUCCESS",
+    "PAYMENT_CANCELLED" = "PAYMENT_CANCELLED",
+    "PAYMENT_INITIATED" = "PAYMENT_INITIATED",
+  }
+  
+  export interface PaymentCheckStatusResponseNetBanking {
+    success: boolean;
+    code: PaymentStatusCodeValues;
+    message: string;
+    data: PaymentCheckStatusResponseNetBankingData;
+  }
+  
+  export interface PaymentCheckStatusResponseNetBankingData {
+    merchantId: string;
+    merchantTransactionId: string;
+    transactionId: string;
+    amount: number;
+    state: string;
+    responseCode: string;
+    paymentInstrument: PaymentInstrumentNetBanking;
+  }
+  
+  export interface PaymentInstrumentNetBanking {
+    type: string;
+    pgTransactionId: string;
+    pgServiceTransactionId: string;
+    bankTransactionId: any;
+    bankId: string;
+  }
+  
+  export interface PaymentInstrumentCard {
+    type: string;
+    cardType: string;
+    pgTransactionId: string;
+    bankTransactionId: string;
+    pgAuthorizationCode: string;
+    arn: string;
+    bankId: string;
+    brn: string;
+  }
+  
+  export interface PaymentInstrumentWeb {
+    type: string;
+  }
+  
+  export interface PaymentInstrumentUPI {
+    type: string;
+    utr?: string;
+    targetApp?: string;
+    accountConstraints?: AccountConstraint[];
+  }
+  
+  
+
+
+```
+
+
+
+```
 
 ```