diff --git a/packages/aio-commerce-lib-app/source/actions/config.ts b/packages/aio-commerce-lib-app/source/actions/config.ts
index 728f0d052..46abb576f 100644
--- a/packages/aio-commerce-lib-app/source/actions/config.ts
+++ b/packages/aio-commerce-lib-app/source/actions/config.ts
@@ -42,6 +42,7 @@ type ConfigActionFactoryArgs = {
 type ConfigActionParams = RuntimeActionParams &
   ConfigActionFactoryArgs & {
     AIO_COMMERCE_CONFIG_ENCRYPTION_KEY?: string;
+    __ow_headers?: Record<string, string>;
   };
 
 /** The context for the config action. */
@@ -52,6 +53,82 @@ interface ConfigActionContext extends BaseContext {
 // Placeholder value for password fields.
 const MASKED_PASSWORD_VALUE = "*****";
 
+/**
+ * Resolves optionsSource for a field by calling the specified action or URL.
+ * This allows dynamic dropdowns to work with Adobe's App Management UI.
+ */
+async function resolveOptionsSource(
+  field: BusinessConfigSchema[number],
+  params: ConfigActionParams,
+): Promise<BusinessConfigSchema[number]> {
+  if (!("optionsSource" in field && field.optionsSource)) {
+    return field;
+  }
+
+  const { action, url } = field.optionsSource;
+
+  try {
+    let options: Array<{ label: string; value: string }> = [];
+
+    if (action) {
+      const namespace = process.env.__OW_NAMESPACE;
+      const apiHost = process.env.__OW_API_HOST;
+      const actionUrl = `${apiHost}/api/v1/web/${namespace}/${action}`;
+
+      const response = await fetch(actionUrl, {
+        headers: {
+          Authorization: params.__ow_headers?.authorization || "",
+          "x-gw-ims-org-id": params.__ow_headers?.["x-gw-ims-org-id"] || "",
+        },
+      });
+
+      if (response.ok) {
+        const result = (await response.json()) as {
+          body?: { options?: Array<{ label: string; value: string }> };
+          options?: Array<{ label: string; value: string }>;
+        };
+        options = result?.body?.options || result?.options || [];
+      }
+    } else if (url) {
+      const response = await fetch(url);
+
+      if (response.ok) {
+        const result = (await response.json()) as {
+          options?: Array<{ label: string; value: string }>;
+        };
+        options = result?.options || [];
+      }
+    }
+
+    const { optionsSource, ...fieldWithoutSource } = field;
+    return {
+      ...fieldWithoutSource,
+      options:
+        options.length > 0
+          ? options
+          : [{ label: "No options available", value: "" }],
+    } as BusinessConfigSchema[number];
+  } catch {
+    const { optionsSource, ...fieldWithoutSource } = field;
+    return {
+      ...fieldWithoutSource,
+      options: [{ label: "Error loading options", value: "" }],
+    } as BusinessConfigSchema[number];
+  }
+}
+
+/**
+ * Process schema to resolve all optionsSource fields into static options arrays.
+ */
+async function resolveAllOptionsSource(
+  schema: BusinessConfigSchema,
+  params: ConfigActionParams,
+): Promise<BusinessConfigSchema> {
+  return Promise.all(
+    schema.map((field) => resolveOptionsSource(field, params)),
+  ) as Promise<BusinessConfigSchema>;
+}
+
 /**
  * Filters password fields from the configuration values.
  * @param schema - The schema to use to filter the values.
@@ -93,6 +170,11 @@ router.get("/", {
 
     initialize({ schema: validatedSchema });
 
+    const resolvedSchema = await resolveAllOptionsSource(
+      validatedSchema,
+      rawParams,
+    );
+
     const { scopeId } = req.query;
     logger.debug(`Retrieving configuration with scope id: ${scopeId}`);
     const appConfiguration = await getConfiguration(byScopeId(scopeId), {
@@ -106,7 +188,7 @@ router.get("/", {
     );
 
     return ok({
-      body: { schema: validatedSchema, values: appConfiguration },
+      body: { schema: resolvedSchema, values: appConfiguration },
     });
   },
 });
diff --git a/packages/aio-commerce-lib-config/source/modules/schema/fields.ts b/packages/aio-commerce-lib-config/source/modules/schema/fields.ts
index acce4c6f1..c4de95d97 100644
--- a/packages/aio-commerce-lib-config/source/modules/schema/fields.ts
+++ b/packages/aio-commerce-lib-config/source/modules/schema/fields.ts
@@ -33,6 +33,23 @@ const ListOptionSchema = v.object({
   value: v.string("Expected a string for the option value"),
 });
 
+/**
+ * Schema for dynamic options source configuration.
+ * Allows list fields to fetch options from a runtime action or external URL
+ * instead of requiring static options defined in the schema.
+ */
+const OptionsSourceSchema = v.object({
+  /** The name of the runtime action to invoke for fetching options (e.g., "app-management/get-store-options") */
+  action: v.optional(v.string("Expected a string for the action name")),
+  /** A URL endpoint to fetch options from */
+  url: v.optional(
+    v.pipe(
+      v.string("Expected a string for the options source URL"),
+      v.url("The optionsSource URL must be a valid URL"),
+    ),
+  ),
+});
+
 /** Schema for a list field that allows single selection from a list of options */
 const SingleListSchema = v.object({
   ...BaseOptionSchema.entries,
@@ -42,11 +59,13 @@ const SingleListSchema = v.object({
     "single",
     "Expected the selectionMode to be 'single'",
   ),
-  options: v.array(ListOptionSchema, "Expected an array of list options"),
-  default: v.pipe(
-    v.string("Expected a string for the default value"),
-    v.nonEmpty("The default value must not be empty"),
+  /** Static options array - optional when using optionsSource */
+  options: v.optional(
+    v.array(ListOptionSchema, "Expected an array of list options"),
   ),
+  /** Dynamic options source - alternative to static options */
+  optionsSource: v.optional(OptionsSourceSchema),
+  default: v.optional(v.string("Expected a string for the default value")),
 });
 
 /** Schema for a list field that allows multiple selections from a list of options */
@@ -58,7 +77,12 @@ const MultipleListSchema = v.object({
     "multiple",
     "Expected the selectionMode to be 'multiple'",
   ),
-  options: v.array(ListOptionSchema, "Expected an array of list options"),
+  /** Static options array - optional when using optionsSource */
+  options: v.optional(
+    v.array(ListOptionSchema, "Expected an array of list options"),
+  ),
+  /** Dynamic options source - alternative to static options */
+  optionsSource: v.optional(OptionsSourceSchema),
   default: v.optional(
     v.array(
       v.pipe(