diff --git a/packages/core/types/src/http/campaign/admin/payloads.ts b/packages/core/types/src/http/campaign/admin/payloads.ts
index a9cbba6300..850a4023fc 100644
--- a/packages/core/types/src/http/campaign/admin/payloads.ts
+++ b/packages/core/types/src/http/campaign/admin/payloads.ts
@@ -4,22 +4,15 @@ export interface AdminCreateCampaign {
   /**
    * The campaign's name.
    */
-  name?: string
+  name: string
   /**
    * The campaign's description.
    */
-  description?: string
-  /**
-   * The campaign's currency code.
-   *
-   * @example
-   * usd
-   */
-  currency?: string | null
+  description?: string | null
   /**
    * The campaign's identifier.
    */
-  campaign_identifier?: string
+  campaign_identifier: string
   /**
    * The date the campaign and its promotions start at.
    */
@@ -70,14 +63,7 @@ export interface AdminUpdateCampaign {
   /**
    * The campaign's description.
    */
-  description?: string
-  /**
-   * The campaign's currency code.
-   *
-   * @example
-   * usd
-   */
-  currency?: string | null
+  description?: string | null
   /**
    * The campaign's identifier.
    */
@@ -94,21 +80,9 @@ export interface AdminUpdateCampaign {
    * The campaign's budget.
    */
   budget?: {
-    /**
-     * The budget's type. `spend` means the limit is set on the total amount discounted by the campaign's promotions;
-     * `usage` means the limit is set on the total number of times the campaign's promotions can be used.
-     */
-    type?: CampaignBudgetTypeValues
-    /**
-     * The budget's currency code.
-     *
-     * @example
-     * usd
-     */
-    currency_code?: string | null
     /**
      * The budget's limit.
      */
     limit?: number | null
-  } | null
+  }
 }
diff --git a/packages/core/types/src/http/promotion/admin/queries.ts b/packages/core/types/src/http/promotion/admin/queries.ts
index 6bea404e61..f67bc2ca31 100644
--- a/packages/core/types/src/http/promotion/admin/queries.ts
+++ b/packages/core/types/src/http/promotion/admin/queries.ts
@@ -78,7 +78,7 @@ export interface AdminGetPromotionRuleParams {
    */
   application_method_type?: ApplicationMethodTypeValues
   /**
-   * The type of application method to retrieve the attributes for.
+   * The target type of application method to retrieve the attributes for.
    */
   application_method_target_type?: ApplicationMethodTargetTypeValues
 }
@@ -92,6 +92,10 @@ export interface AdminGetPromotionRuleTypeParams extends SelectParams {
    * The type of application method to retrieve the attributes for.
    */
   application_method_type?: ApplicationMethodTypeValues
+  /**
+   * The target type of application method to retrieve the attributes for.
+   */
+  application_method_target_type?: ApplicationMethodTargetTypeValues
 }
 
 export interface AdminGetPromotionsRuleValueParams extends FindParams {
@@ -103,5 +107,8 @@ export interface AdminGetPromotionsRuleValueParams extends FindParams {
    * Filter by rule value.
    */
   value?: string | string[]
+  /**
+   * The target type of application method to retrieve the attributes for.
+   */
   application_method_target_type?: ApplicationMethodTargetTypeValues
 }
diff --git a/packages/medusa/src/api/admin/campaigns/[id]/promotions/route.ts b/packages/medusa/src/api/admin/campaigns/[id]/promotions/route.ts
index e5c34de356..030e682433 100644
--- a/packages/medusa/src/api/admin/campaigns/[id]/promotions/route.ts
+++ b/packages/medusa/src/api/admin/campaigns/[id]/promotions/route.ts
@@ -4,11 +4,14 @@ import {
 } from "@medusajs/framework/http"
 
 import { addOrRemoveCampaignPromotionsWorkflow } from "@medusajs/core-flows"
-import { HttpTypes, LinkMethodRequest } from "@medusajs/framework/types"
+import { HttpTypes } from "@medusajs/framework/types"
 import { refetchCampaign } from "../../helpers"
 
 export const POST = async (
-  req: AuthenticatedMedusaRequest<LinkMethodRequest>,
+  req: AuthenticatedMedusaRequest<
+    HttpTypes.AdminBatchLink,
+    HttpTypes.AdminGetCampaignParams
+  >,
   res: MedusaResponse<HttpTypes.AdminCampaignResponse>
 ) => {
   const { id } = req.params
diff --git a/packages/medusa/src/api/admin/campaigns/[id]/route.ts b/packages/medusa/src/api/admin/campaigns/[id]/route.ts
index 9c378da7bf..4d36c6ee29 100644
--- a/packages/medusa/src/api/admin/campaigns/[id]/route.ts
+++ b/packages/medusa/src/api/admin/campaigns/[id]/route.ts
@@ -8,12 +8,11 @@ import {
 } from "@medusajs/core-flows"
 
 import { refetchCampaign } from "../helpers"
-import { AdminUpdateCampaignType } from "../validators"
 import { MedusaError } from "@medusajs/framework/utils"
 import { AdditionalData, HttpTypes } from "@medusajs/framework/types"
 
 export const GET = async (
-  req: AuthenticatedMedusaRequest,
+  req: AuthenticatedMedusaRequest<HttpTypes.AdminGetCampaignParams>,
   res: MedusaResponse<HttpTypes.AdminCampaignResponse>
 ) => {
   const campaign = await refetchCampaign(
@@ -33,7 +32,10 @@ export const GET = async (
 }
 
 export const POST = async (
-  req: AuthenticatedMedusaRequest<AdminUpdateCampaignType & AdditionalData>,
+  req: AuthenticatedMedusaRequest<
+    HttpTypes.AdminUpdateCampaign & AdditionalData,
+    HttpTypes.AdminGetCampaignParams
+  >,
   res: MedusaResponse<HttpTypes.AdminCampaignResponse>
 ) => {
   const existingCampaign = await refetchCampaign(req.params.id, req.scope, [
diff --git a/packages/medusa/src/api/admin/campaigns/route.ts b/packages/medusa/src/api/admin/campaigns/route.ts
index afd8ecc182..ff088407b5 100644
--- a/packages/medusa/src/api/admin/campaigns/route.ts
+++ b/packages/medusa/src/api/admin/campaigns/route.ts
@@ -7,12 +7,11 @@ import {
   ContainerRegistrationKeys,
   remoteQueryObjectFromString,
 } from "@medusajs/framework/utils"
-import { AdminCreateCampaignType } from "./validators"
 import { refetchCampaign } from "./helpers"
 import { AdditionalData, HttpTypes } from "@medusajs/framework/types"
 
 export const GET = async (
-  req: AuthenticatedMedusaRequest<HttpTypes.AdminGetCampaignParams>,
+  req: AuthenticatedMedusaRequest<HttpTypes.AdminGetCampaignsParams>,
   res: MedusaResponse<HttpTypes.AdminCampaignListResponse>
 ) => {
   const remoteQuery = req.scope.resolve(ContainerRegistrationKeys.REMOTE_QUERY)
@@ -37,7 +36,10 @@ export const GET = async (
 }
 
 export const POST = async (
-  req: AuthenticatedMedusaRequest<AdminCreateCampaignType & AdditionalData>,
+  req: AuthenticatedMedusaRequest<
+    HttpTypes.AdminCreateCampaign & AdditionalData,
+    HttpTypes.AdminGetCampaignParams
+  >,
   res: MedusaResponse<HttpTypes.AdminCampaignResponse>
 ) => {
   const { additional_data, ...rest } = req.validatedBody
diff --git a/packages/medusa/src/api/admin/promotions/[id]/[rule_type]/route.ts b/packages/medusa/src/api/admin/promotions/[id]/[rule_type]/route.ts
index 7fb762f3a5..11b6fa1979 100644
--- a/packages/medusa/src/api/admin/promotions/[id]/[rule_type]/route.ts
+++ b/packages/medusa/src/api/admin/promotions/[id]/[rule_type]/route.ts
@@ -17,7 +17,7 @@ import {
 } from "../../utils"
 
 export const GET = async (
-  req: AuthenticatedMedusaRequest,
+  req: AuthenticatedMedusaRequest<HttpTypes.AdminGetPromotionRuleTypeParams>,
   res: MedusaResponse<HttpTypes.AdminPromotionRuleListResponse>
 ) => {
   const { id, rule_type: ruleType } = req.params
diff --git a/packages/medusa/src/api/admin/promotions/[id]/buy-rules/batch/route.ts b/packages/medusa/src/api/admin/promotions/[id]/buy-rules/batch/route.ts
index b9c49543f6..bdafd5a002 100644
--- a/packages/medusa/src/api/admin/promotions/[id]/buy-rules/batch/route.ts
+++ b/packages/medusa/src/api/admin/promotions/[id]/buy-rules/batch/route.ts
@@ -12,7 +12,8 @@ export const POST = async (
     BatchMethodRequest<
       HttpTypes.AdminCreatePromotionRule,
       HttpTypes.AdminUpdatePromotionRule
-    >
+    >,
+    HttpTypes.AdminGetPromotionRuleParams
   >,
   res: MedusaResponse<HttpTypes.AdminPromotionRuleBatchResponse>
 ) => {
diff --git a/packages/medusa/src/api/admin/promotions/[id]/route.ts b/packages/medusa/src/api/admin/promotions/[id]/route.ts
index 0fec6cb26b..ec2a63eb79 100644
--- a/packages/medusa/src/api/admin/promotions/[id]/route.ts
+++ b/packages/medusa/src/api/admin/promotions/[id]/route.ts
@@ -12,14 +12,10 @@ import {
   MedusaResponse,
 } from "@medusajs/framework/http"
 import { refetchPromotion } from "../helpers"
-import {
-  AdminGetPromotionParamsType,
-  AdminUpdatePromotionType,
-} from "../validators"
 import { AdditionalData, HttpTypes } from "@medusajs/framework/types"
 
 export const GET = async (
-  req: AuthenticatedMedusaRequest<AdminGetPromotionParamsType>,
+  req: AuthenticatedMedusaRequest<HttpTypes.AdminGetPromotionParams>,
   res: MedusaResponse<HttpTypes.AdminPromotionResponse>
 ) => {
   const idOrCode = req.params.id
@@ -44,7 +40,10 @@ export const GET = async (
 }
 
 export const POST = async (
-  req: AuthenticatedMedusaRequest<AdminUpdatePromotionType & AdditionalData>,
+  req: AuthenticatedMedusaRequest<
+    HttpTypes.AdminUpdatePromotion & AdditionalData,
+    HttpTypes.AdminGetPromotionParams
+  >,
   res: MedusaResponse<HttpTypes.AdminPromotionResponse>
 ) => {
   const { additional_data, ...rest } = req.validatedBody
diff --git a/packages/medusa/src/api/admin/promotions/[id]/rules/batch/route.ts b/packages/medusa/src/api/admin/promotions/[id]/rules/batch/route.ts
index 84bf3548b9..924e970f25 100644
--- a/packages/medusa/src/api/admin/promotions/[id]/rules/batch/route.ts
+++ b/packages/medusa/src/api/admin/promotions/[id]/rules/batch/route.ts
@@ -12,7 +12,8 @@ export const POST = async (
     BatchMethodRequest<
       HttpTypes.AdminCreatePromotionRule,
       HttpTypes.AdminUpdatePromotionRule
-    >
+    >,
+    HttpTypes.AdminGetPromotionRuleParams
   >,
   res: MedusaResponse<HttpTypes.AdminPromotionRuleBatchResponse>
 ) => {
diff --git a/packages/medusa/src/api/admin/promotions/[id]/target-rules/batch/route.ts b/packages/medusa/src/api/admin/promotions/[id]/target-rules/batch/route.ts
index f9d3138944..e0369c7174 100644
--- a/packages/medusa/src/api/admin/promotions/[id]/target-rules/batch/route.ts
+++ b/packages/medusa/src/api/admin/promotions/[id]/target-rules/batch/route.ts
@@ -12,7 +12,8 @@ export const POST = async (
     BatchMethodRequest<
       HttpTypes.AdminCreatePromotionRule,
       HttpTypes.AdminUpdatePromotionRule
-    >
+    >,
+    HttpTypes.AdminGetPromotionRuleParams
   >,
   res: MedusaResponse<HttpTypes.AdminPromotionRuleBatchResponse>
 ) => {
diff --git a/packages/medusa/src/api/admin/promotions/route.ts b/packages/medusa/src/api/admin/promotions/route.ts
index 77134f48b1..7a46e14ced 100644
--- a/packages/medusa/src/api/admin/promotions/route.ts
+++ b/packages/medusa/src/api/admin/promotions/route.ts
@@ -37,7 +37,8 @@ export const GET = async (
 
 export const POST = async (
   req: AuthenticatedMedusaRequest<
-    HttpTypes.AdminCreatePromotion & AdditionalData
+    HttpTypes.AdminCreatePromotion & AdditionalData,
+    HttpTypes.AdminGetPromotionParams
   >,
   res: MedusaResponse<HttpTypes.AdminPromotionResponse>
 ) => {
diff --git a/packages/medusa/src/api/admin/promotions/rule-value-options/[rule_type]/[rule_attribute_id]/route.ts b/packages/medusa/src/api/admin/promotions/rule-value-options/[rule_type]/[rule_attribute_id]/route.ts
index 62f2cdcadc..dbf04b4a9e 100644
--- a/packages/medusa/src/api/admin/promotions/rule-value-options/[rule_type]/[rule_attribute_id]/route.ts
+++ b/packages/medusa/src/api/admin/promotions/rule-value-options/[rule_type]/[rule_attribute_id]/route.ts
@@ -12,7 +12,6 @@ import {
   validateRuleAttribute,
   validateRuleType,
 } from "../../../utils"
-import { AdminGetPromotionRuleParamsType } from "../../../validators"
 import {
   ApplicationMethodTargetTypeValues,
   RuleTypeValues,
@@ -26,7 +25,7 @@ import {
   from the currency module.
 */
 export const GET = async (
-  req: AuthenticatedMedusaRequest<AdminGetPromotionRuleParamsType>,
+  req: AuthenticatedMedusaRequest<HttpTypes.AdminGetPromotionsRuleValueParams>,
   res: MedusaResponse<HttpTypes.AdminRuleValueOptionsListResponse>
 ) => {
   const { rule_type: ruleType, rule_attribute_id: ruleAttributeId } = req.params