diff --git a/src/modules/app/AppRepositoryGql.ts b/src/modules/app/AppRepositoryGql.ts
index 07f7608..deb5272 100644
--- a/src/modules/app/AppRepositoryGql.ts
+++ b/src/modules/app/AppRepositoryGql.ts
@@ -10,4 +10,12 @@ export class AppRepositoryGql {
 
     return app
   }
+
+  static async getBySlug(slug: string, fields?: AppFields[]): Promise<App> {
+    const appQuery = new AppQueries(fields)
+    const getAppQuery: string = appQuery.getApp()
+    const { app }: AppResponse = await getClient().query(getAppQuery, { filter: { slug: slug } })
+
+    return app
+  }
 }
diff --git a/src/modules/app/AppRepositoryJson.ts b/src/modules/app/AppRepositoryJson.ts
index 8e1b213..32b9fc3 100644
--- a/src/modules/app/AppRepositoryJson.ts
+++ b/src/modules/app/AppRepositoryJson.ts
@@ -18,4 +18,22 @@ export class AppRepositoryJson {
 
     return mock
   }
+
+  static async getBySlug(slug: string, fields?: AppFields[]) {
+    const mock = shop_ctx.mock?.apps || {}
+
+    if (slug != mock.slug) {
+      throw new Error('apps_not_found')
+    }
+
+    const isFieldNotSelected = entry => !fields.includes(entry)
+
+    const deleteFieldIfNecessary = entry => {
+      isFieldNotSelected(entry) && delete mock[entry]
+    }
+
+    fields && Object.keys(mock).forEach(deleteFieldIfNecessary)
+
+    return mock
+  }
 }
diff --git a/src/modules/app/AppService.ts b/src/modules/app/AppService.ts
index a2314c2..583efec 100644
--- a/src/modules/app/AppService.ts
+++ b/src/modules/app/AppService.ts
@@ -16,4 +16,15 @@ export class AppService {
       throw new Error(error?.message)
     }
   }
+
+  static async getBySlug(slug: string, fields?: AppFields[]): Promise<App> {
+    try {
+      const result = await Repository().getBySlug(slug, fields)
+      BroadcastService.emit('Apps', result)
+
+      return result
+    } catch (error) {
+      throw new Error(error?.message)
+    }
+  }
 }
diff --git a/src/modules/buy-together/BuyTogetherQueries.ts b/src/modules/buy-together/BuyTogetherQueries.ts
index fffe59a..881615c 100644
--- a/src/modules/buy-together/BuyTogetherQueries.ts
+++ b/src/modules/buy-together/BuyTogetherQueries.ts
@@ -72,6 +72,7 @@ export class BuyTogetherQueries {
       markup
       isDefault
       installment ${installmentFields}
+      installments ${installmentFields}
     }`
     const featureFields = `
     {
diff --git a/src/modules/buy-together/BuyTogetherTypes.ts b/src/modules/buy-together/BuyTogetherTypes.ts
index c18a957..ef3f550 100644
--- a/src/modules/buy-together/BuyTogetherTypes.ts
+++ b/src/modules/buy-together/BuyTogetherTypes.ts
@@ -33,7 +33,7 @@ export interface PaymentInstallment {
   discount: number
   interest: number
   total: string
-  parcel_price: string
+  parcelPrice: string
 }
 
 export interface Payment {