diff --git a/resources/simulations.ts b/resources/simulations.ts
index c35a719f..08546dd3 100644
--- a/resources/simulations.ts
+++ b/resources/simulations.ts
@@ -162,7 +162,7 @@ export class Simulations extends BaseResource {
         request: CreateCardTransactionAuthorizationRequestSimulation
     ): Promise<UnitResponse<CardTransactionAuthorizationRequest>> {
         return this.httpPost<UnitResponse<CardTransactionAuthorizationRequest>>(
-            "authorization-requests/card-transaction",
+            "/authorization-requests/card-transaction",
             {
                 data: request
             }
@@ -173,7 +173,7 @@ export class Simulations extends BaseResource {
         request: CreateCardPurchaseAuthorizationRequestSimulation
     ): Promise<UnitResponse<PurchaseAuthorizationRequest>> {
         return this.httpPost<UnitResponse<PurchaseAuthorizationRequest>>(
-            "authorization-requests/purchase",
+            "/authorization-requests/purchase",
             {
                 data: request
             }
@@ -184,7 +184,7 @@ export class Simulations extends BaseResource {
         request: CreateAtmAuthorizationRequestSimulation
     ): Promise<UnitResponse<AtmAuthorizationRequest>> {
         return this.httpPost<UnitResponse<AtmAuthorizationRequest>>(
-            "authorization-requests/atm",
+            "/authorization-requests/atm",
             {
                 data: request
             }