diff --git a/src/order/dto/order.ts b/src/order/dto/order.ts
index af397ec..1096e04 100644
--- a/src/order/dto/order.ts
+++ b/src/order/dto/order.ts
@@ -18,6 +18,7 @@ import { BaseDTO } from 'src/utils/dto/base.dto';
 import { ResponseOrderProductPresentationDetailDTO } from 'src/products/dto/product-presentation.dto';
 import { ResponseBranchDTO } from 'src/branch/dto/branch.dto';
 import { OrderDeliveryEmployeeDTO } from './order-delivery.dto';
+import { PaymentMethod } from 'src/payments/entities/payment-information.entity';
 
 export class CreateOrderDetailDTO {
   @ApiProperty({ description: 'ID of the product presentation' })
@@ -71,6 +72,14 @@ export class CreateOrderDTO {
   @Type(() => CreateOrderDetailDTO)
   products: CreateOrderDetailDTO[];
 
+  @ApiProperty({
+    description: 'Payment method (CASH, CARD, etc.)',
+    enum: PaymentMethod,
+  })
+  @IsEnum(PaymentMethod)
+  @IsOptional()
+  paymentMethod: PaymentMethod;
+
   constructor(
     type: OrderType,
     products: CreateOrderDetailDTO[],
@@ -122,6 +131,15 @@ export class ResponseOrderDTO extends BaseDTO {
   @Expose()
   @ApiProperty({ description: 'Total price of the order' })
   totalPrice: number;
+
+  @Expose()
+  @ApiProperty({
+    description: 'Payment method (CASH, CARD, etc.)',
+    enum: PaymentMethod,
+  })
+  @IsEnum(PaymentMethod)
+  @IsOptional()
+  paymentMethod: PaymentMethod;
 }
 
 export class ResponseOrderDetailedDTO extends ResponseOrderDTO {
diff --git a/src/order/entities/order.entity.ts b/src/order/entities/order.entity.ts
index 9af5f7b..47a05b0 100644
--- a/src/order/entities/order.entity.ts
+++ b/src/order/entities/order.entity.ts
@@ -4,6 +4,8 @@ import { User } from 'src/user/entities/user.entity';
 import { BaseModel, UUIDModel } from 'src/utils/entity';
 import { Column, Entity, JoinColumn, ManyToOne, OneToMany } from 'typeorm';
 import { OrderDelivery, OrderDetailDelivery } from './order_delivery.entity';
+import { PaymentMethod } from 'src/payments/entities/payment-information.entity';
+import { PaymentConfirmation } from 'src/payments/entities/payment-confirmation.entity';
 
 export enum OrderType {
   PICKUP = 'pickup',
@@ -47,6 +49,20 @@ export class Order extends BaseModel {
 
   @OneToMany(() => OrderDelivery, (orderDelivery) => orderDelivery.order)
   orderDeliveries: OrderDelivery[];
+
+  @Column({
+    type: 'enum',
+    enum: PaymentMethod,
+    name: 'payment_method',
+    default: PaymentMethod.CASH,
+  })
+  paymentMethod: PaymentMethod;
+
+  @OneToMany(
+    () => PaymentConfirmation,
+    (paymentConfirmation) => paymentConfirmation.order,
+  )
+  paymentConfirmations: PaymentConfirmation[];
 }
 
 @Entity()
diff --git a/src/order/migrations/1746555455789-add-payment-method-order-migration.ts b/src/order/migrations/1746555455789-add-payment-method-order-migration.ts
new file mode 100644
index 0000000..9269c6c
--- /dev/null
+++ b/src/order/migrations/1746555455789-add-payment-method-order-migration.ts
@@ -0,0 +1,45 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+export class AddPaymentMethodOrderMigration1746555455789
+  implements MigrationInterface
+{
+  name = 'AddPaymentMethodOrderMigration1746555455789';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "cart_item" DROP CONSTRAINT "FK_67a2e8406e01ffa24ff9026944e"`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "payment_confirmation" ADD "order_id" uuid`,
+    );
+    await queryRunner.query(
+      `CREATE TYPE "public"."order_payment_method_enum" AS ENUM('card', 'mobile_payment', 'bank_transfer', 'cash')`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "order" ADD "payment_method" "public"."order_payment_method_enum" NOT NULL DEFAULT 'cash'`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "payment_confirmation" ADD CONSTRAINT "FK_de3ea608b9f32c2184b551c554b" FOREIGN KEY ("order_id") REFERENCES "order"("id") ON DELETE RESTRICT ON UPDATE NO ACTION`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "cart_item" ADD CONSTRAINT "FK_7a462d104c801f5e9bb63806c1e" FOREIGN KEY ("product_presentation_id") REFERENCES "product_presentation"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "cart_item" DROP CONSTRAINT "FK_7a462d104c801f5e9bb63806c1e"`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "payment_confirmation" DROP CONSTRAINT "FK_de3ea608b9f32c2184b551c554b"`,
+    );
+    await queryRunner.query(`ALTER TABLE "order" DROP COLUMN "payment_method"`);
+    await queryRunner.query(`DROP TYPE "public"."order_payment_method_enum"`);
+    await queryRunner.query(
+      `ALTER TABLE "payment_confirmation" DROP COLUMN "order_id"`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "cart_item" ADD CONSTRAINT "FK_67a2e8406e01ffa24ff9026944e" FOREIGN KEY ("product_presentation_id") REFERENCES "product_presentation"("id") ON DELETE NO ACTION ON UPDATE NO ACTION`,
+    );
+  }
+}
diff --git a/src/order/order.service.ts b/src/order/order.service.ts
index 21a0dcb..9bb6d65 100644
--- a/src/order/order.service.ts
+++ b/src/order/order.service.ts
@@ -118,6 +118,7 @@ export class OrderService {
       branch,
       type: createOrderDTO.type,
       totalPrice: totalPrice,
+      paymentMethod: createOrderDTO.paymentMethod,
     });
     const order = await this.orderRepository.save(orderToCreate);
     const orderDetails = productsWithQuantity.map((product) => {
diff --git a/src/payments/dto/payment-confirmation.dto.ts b/src/payments/dto/payment-confirmation.dto.ts
index 81d4c8c..223b5c9 100644
--- a/src/payments/dto/payment-confirmation.dto.ts
+++ b/src/payments/dto/payment-confirmation.dto.ts
@@ -1,8 +1,8 @@
 import { ApiProperty, IntersectionType } from '@nestjs/swagger';
-import { IsString } from 'class-validator';
+import { IsString, IsUUID } from 'class-validator';
 import { BaseDTO } from 'src/utils/dto/base.dto';
 
-export class CreatePaymentConfirmationDTO {
+class PaymentConfirmationDTO {
   @ApiProperty()
   @IsString()
   bank: string;
@@ -20,7 +20,14 @@ export class CreatePaymentConfirmationDTO {
   phoneNumber: string;
 }
 
+export class CreatePaymentConfirmationDTO {
+  @ApiProperty()
+  @IsString()
+  @IsUUID()
+  orderId: string;
+}
+
 export class ResponsePaymentConfirmationDTO extends IntersectionType(
-  CreatePaymentConfirmationDTO,
+  PaymentConfirmationDTO,
   BaseDTO,
 ) {}
diff --git a/src/payments/entities/payment-confirmation.entity.ts b/src/payments/entities/payment-confirmation.entity.ts
index 01e11e1..0e98477 100644
--- a/src/payments/entities/payment-confirmation.entity.ts
+++ b/src/payments/entities/payment-confirmation.entity.ts
@@ -1,5 +1,6 @@
+import { Order } from 'src/order/entities/order.entity';
 import { BaseModel } from 'src/utils/entity';
-import { Column, Entity } from 'typeorm';
+import { Column, Entity, JoinColumn, ManyToOne } from 'typeorm';
 
 @Entity('payment_confirmation')
 export class PaymentConfirmation extends BaseModel {
@@ -15,5 +16,9 @@ export class PaymentConfirmation extends BaseModel {
   @Column({ type: 'character varying', name: 'phone_number' })
   phoneNumber: string;
 
-  //order: Order;
+  @ManyToOne(() => Order, (order) => order.paymentConfirmations, {
+    onDelete: 'RESTRICT',
+  })
+  @JoinColumn({ name: 'order_id' })
+  order: Order;
 }
diff --git a/src/payments/payment.module.ts b/src/payments/payment.module.ts
index 3c9c2f1..cd2bfaf 100644
--- a/src/payments/payment.module.ts
+++ b/src/payments/payment.module.ts
@@ -7,11 +7,13 @@ import { PaymentConfirmationController } from './controllers/payment-confirmatio
 import { PaymentInformationService } from './services/payment-information.service';
 import { PaymentConfirmationService } from './services/payment-confirmation.service';
 import { AuthModule } from 'src/auth/auth.module';
+import { OrderModule } from 'src/order/order.module';
 
 @Module({
   imports: [
     TypeOrmModule.forFeature([PaymentInformation, PaymentConfirmation]),
     AuthModule,
+    OrderModule,
   ],
   controllers: [PaymentInformationController, PaymentConfirmationController],
   providers: [PaymentInformationService, PaymentConfirmationService],
diff --git a/src/payments/services/payment-confirmation.service.ts b/src/payments/services/payment-confirmation.service.ts
index a36099a..ee12094 100644
--- a/src/payments/services/payment-confirmation.service.ts
+++ b/src/payments/services/payment-confirmation.service.ts
@@ -3,20 +3,26 @@ import { InjectRepository } from '@nestjs/typeorm';
 import { Repository } from 'typeorm';
 import { PaymentConfirmation } from '../entities/payment-confirmation.entity';
 import { CreatePaymentConfirmationDTO } from '../dto/payment-confirmation.dto';
+import { OrderService } from 'src/order/order.service';
 
 @Injectable()
 export class PaymentConfirmationService {
   constructor(
     @InjectRepository(PaymentConfirmation)
     private paymentConfirmationRepository: Repository<PaymentConfirmation>,
+    private orderService: OrderService,
   ) {}
 
   async create(
     createPaymentConfirmationDto: CreatePaymentConfirmationDTO,
   ): Promise<PaymentConfirmation> {
-    const confirmation = this.paymentConfirmationRepository.create(
-      createPaymentConfirmationDto,
+    const order = await this.orderService.findOne(
+      createPaymentConfirmationDto.orderId,
     );
+    const confirmation = this.paymentConfirmationRepository.create({
+      ...createPaymentConfirmationDto,
+      order,
+    });
     return this.paymentConfirmationRepository.save(confirmation);
   }
 }
diff --git a/src/products/dto/product.dto.ts b/src/products/dto/product.dto.ts
index 4b797dc..940bf17 100644
--- a/src/products/dto/product.dto.ts
+++ b/src/products/dto/product.dto.ts
@@ -89,6 +89,11 @@ export class ProductPresentationDTO extends BaseDTO {
 }
 
 export class ProductQueryDTO extends PaginationQueryDTO {
+  @IsOptional()
+  @Transform(({ value }: { value: string }) => (value ? value.split(',') : []))
+  @IsUUID(undefined, { each: true })
+  id: string[];
+
   @IsOptional()
   @Transform(({ value }: { value: string }) => (value ? value.split(',') : []))
   @IsUUID(undefined, { each: true })
@@ -141,6 +146,7 @@ export class ProductQueryDTO extends PaginationQueryDTO {
     genericProductId?: string[],
     priceRange?: number[],
     isVisible?: boolean,
+    id?: string[],
   ) {
     super(page, limit);
     this.q = q ? q : '';
@@ -151,5 +157,6 @@ export class ProductQueryDTO extends PaginationQueryDTO {
     this.genericProductId = genericProductId ? genericProductId : [];
     this.priceRange = priceRange ? priceRange : [];
     this.isVisible = isVisible;
+    this.id = id ? id : [];
   }
 }
diff --git a/src/products/products.controller.ts b/src/products/products.controller.ts
index 6eda8a2..819a971 100644
--- a/src/products/products.controller.ts
+++ b/src/products/products.controller.ts
@@ -102,6 +102,12 @@ export class ProductsController {
     type: Boolean,
     example: true,
   })
+  @ApiQuery({
+    name: 'id',
+    required: false,
+    description: 'Filter by product presentation ID',
+    type: String,
+  })
   @ApiOkResponse({
     description: 'Products obtained correctly.',
     schema: {
@@ -132,6 +138,7 @@ export class ProductsController {
       genericProductId,
       priceRange,
       isVisible,
+      id,
     } = pagination;
     const { products, total } = await this.productsServices.getProducts(
       page,
@@ -144,6 +151,7 @@ export class ProductsController {
       genericProductId,
       priceRange,
       isVisible,
+      id,
     );
 
     return {
diff --git a/src/products/products.service.ts b/src/products/products.service.ts
index 06e1acb..d01381e 100644
--- a/src/products/products.service.ts
+++ b/src/products/products.service.ts
@@ -21,6 +21,7 @@ export class ProductsService {
     genericProductIds?: string[],
     priceRange?: number[],
     isVisible?: boolean,
+    ids?: string[],
   ) {
     let where = {};
     if (searchQuery) {
@@ -32,6 +33,12 @@ export class ProductsService {
         ],
       };
     }
+    if (ids && ids.length > 0) {
+      where = {
+        ...where,
+        id: In(ids),
+      };
+    }
     if (categoryIds && categoryIds.length > 0) {
       where = {
         ...where,