diff --git a/src/interfaces/api.interface.ts b/src/interfaces/api.interface.ts
index d68876f..3325cea 100644
--- a/src/interfaces/api.interface.ts
+++ b/src/interfaces/api.interface.ts
@@ -18,6 +18,15 @@ export interface IApiLoginReq {
 	password: string;
 }
 
+export interface IApiTradeCreateRq {
+	id_offer: string;
+}
+
+export interface IApiOfferCreateReq {
+	id_crypto: string;
+	amount: number;
+}
+
 // -----   Response   -----
 
 export interface IAbstractApiResponse {
@@ -43,4 +52,12 @@ export interface IApiUserAssetsRes extends IAbstractApiResponse {
 	UserHasCrypto?: IUserWalletCryptos[];
 }
 
-export interface IApiAllTrades extends IAbstractApiResponse {}
+export interface IApiAllTradesRes extends IAbstractApiResponse {}
+
+export interface IAllRankRes extends IAbstractApiResponse {}
+
+export interface IAllReferralCodeRes extends IAbstractApiResponse {}
+
+export interface IReferralCodeUpdateRes extends IAbstractApiResponse {}
+
+export interface IReferralCodeDeleteRes extends IAbstractApiResponse {}