diff --git a/.changeset/metal-mayflies-add.md b/.changeset/metal-mayflies-add.md
new file mode 100644
index 0000000000..82d036440d
--- /dev/null
+++ b/.changeset/metal-mayflies-add.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/types": patch
+---
+
+fix(types): missing rules in prices types
diff --git a/packages/core/types/src/http/shipping-option/admin/payloads.ts b/packages/core/types/src/http/shipping-option/admin/payloads.ts
index 701b6d9e7b..ccd93d2219 100644
--- a/packages/core/types/src/http/shipping-option/admin/payloads.ts
+++ b/packages/core/types/src/http/shipping-option/admin/payloads.ts
@@ -1,5 +1,6 @@
 import { RuleOperatorType } from "../../../common"
 import { ShippingOptionPriceType } from "../../../fulfillment"
+import { PriceRule } from "../../../pricing"
 
 export interface AdminCreateShippingOptionRule {
   /**
@@ -52,36 +53,12 @@ export interface AdminUpdateShippingOptionType {
   code?: string
 }
 
-interface AdminShippingOptionPriceRulePayload {
-  /**
-   * The operator of the shipping option price rule.
-   *
-   * @example
-   * "eq"
-   */
-  operator: string
-  /**
-   * The attribute of the shipping option price rule.
-   *
-   * @example
-   * "region_id"
-   */
-  attribute: string
-  /**
-   * The value of the shipping option price rule.
-   *
-   * @example
-   * "region_123"
-   */
-  value: string | string[] | number
-}
-
 interface AdminShippingOptionPriceWithRules {
   /**
    * The rules of the shipping option price that
    * indicate when the price should be applied.
    */
-  rules?: AdminShippingOptionPriceRulePayload[]
+  rules?: PriceRule[]
 }
 
 export interface AdminCreateShippingOptionPriceWithCurrency
@@ -111,7 +88,10 @@ export interface AdminCreateShippingOptionPriceWithRegion
   amount: number
 }
 
-export interface AdminCreateShippingOption {
+/**
+ * Common properties for all shipping option create inputs.
+ */
+interface AdminCreateShippingOptionBase {
   /**
    * The name of the shipping option. Customers can
    * view this name during checkout.
@@ -164,13 +144,6 @@ export interface AdminCreateShippingOption {
    * documentation.
    */
   type_id?: string
-  /**
-   * The prices of the shipping option.
-   */
-  prices: (
-    | AdminCreateShippingOptionPriceWithCurrency
-    | AdminCreateShippingOptionPriceWithRegion
-  )[]
   /**
    * The rules of the shipping option.
    *
@@ -184,6 +157,30 @@ export interface AdminCreateShippingOption {
   metadata?: Record<string, unknown>
 }
 
+/**
+ * Flat rate shipping option creation input.
+ */
+export interface AdminCreateFlatRateShippingOption
+  extends AdminCreateShippingOptionBase {
+  price_type: "flat"
+  prices: (
+    | AdminCreateShippingOptionPriceWithCurrency
+    | AdminCreateShippingOptionPriceWithRegion
+  )[]
+}
+
+/**
+ * Calculated shipping option creation input.
+ */
+export interface AdminCreateCalculatedShippingOption
+  extends AdminCreateShippingOptionBase {
+  price_type: "calculated"
+}
+
+export type AdminCreateShippingOption =
+  | AdminCreateFlatRateShippingOption
+  | AdminCreateCalculatedShippingOption
+
 export interface AdminUpdateShippingOptionRule
   extends AdminCreateShippingOptionRule {
   /**
diff --git a/packages/core/types/src/workflow/fulfillment/create-shipping-options.ts b/packages/core/types/src/workflow/fulfillment/create-shipping-options.ts
index 2976402d1d..56a9c2336e 100644
--- a/packages/core/types/src/workflow/fulfillment/create-shipping-options.ts
+++ b/packages/core/types/src/workflow/fulfillment/create-shipping-options.ts
@@ -1,14 +1,17 @@
 import { ShippingOptionDTO } from "../../fulfillment"
 import { RuleOperatorType } from "../../common"
+import { PriceRule } from "../../pricing"
 
 type CreateFlatRateShippingOptionPriceRecord =
   | {
       currency_code: string
       amount: number
+      rules?: PriceRule[]
     }
   | {
       region_id: string
       amount: number
+      rules?: PriceRule[]
     }
 
 /**
@@ -69,14 +72,14 @@ type CreateFlatShippingOptionInputBase = {
     attribute: string
     /**
      * The operator to use when matching the attribute.
-     * 
+     *
      * @example
      * in
      */
     operator: RuleOperatorType
     /**
      * The value to match against.
-     * 
+     *
      * @example
      * cusgrp_123
      */