diff --git a/app/client/src/constants/ApiEditorConstants/ApiEditorConstants.ts b/app/client/src/constants/ApiEditorConstants/ApiEditorConstants.ts
index b5cdbd3711c5..d31fda438f94 100644
--- a/app/client/src/constants/ApiEditorConstants/ApiEditorConstants.ts
+++ b/app/client/src/constants/ApiEditorConstants/ApiEditorConstants.ts
@@ -19,6 +19,7 @@ export const DEFAULT_API_ACTION_CONFIG: ApiActionConfig = {
   httpVersion: DEFAULT_HTTP_VERSION_TYPE,
   headers: EMPTY_KEY_VALUE_PAIRS.slice(),
   queryParameters: EMPTY_KEY_VALUE_PAIRS.slice(),
+  autoGeneratedHeaders: [],
   body: "",
   bodyFormData: [],
   formData: {
diff --git a/app/client/src/constants/ApiEditorConstants/GraphQLEditorConstants.ts b/app/client/src/constants/ApiEditorConstants/GraphQLEditorConstants.ts
index c9acc8d0aeaa..c5a2c6c70e00 100644
--- a/app/client/src/constants/ApiEditorConstants/GraphQLEditorConstants.ts
+++ b/app/client/src/constants/ApiEditorConstants/GraphQLEditorConstants.ts
@@ -56,6 +56,7 @@ export const DEFAULT_GRAPHQL_ACTION_CONFIG: ApiActionConfig = {
   formData: {
     apiContentType: POST_BODY_FORMAT_OPTIONS.JSON,
   },
+  autoGeneratedHeaders: [],
   pluginSpecifiedTemplates: [
     {
       // JSON smart substitution
diff --git a/app/client/src/sagas/__tests__/ApiPaneSagas.test.ts b/app/client/src/sagas/__tests__/ApiPaneSagas.test.ts
new file mode 100644
index 000000000000..0aa0e782ff77
--- /dev/null
+++ b/app/client/src/sagas/__tests__/ApiPaneSagas.test.ts
@@ -0,0 +1,52 @@
+import type { CreateApiActionDefaultsParams } from "entities/Action";
+import { createDefaultApiActionPayload } from "sagas/ApiPaneSagas";
+
+describe("tests the sagas in ApiPaneSagas", () => {
+  const inputPayload: CreateApiActionDefaultsParams = {
+    apiType: "graphql-plugin",
+    newActionName: "newName",
+  };
+
+  it("1. Bug 27941: Tests createDefaultApiActionPayload to return prepopulated empty array for autoGeneratedHeaders", function () {
+    const outputPayloadGenerator: Generator =
+      createDefaultApiActionPayload(inputPayload);
+
+    // Mocking getCurrentWorkspaceId selector
+    const workspaceIdSelectorEffect = outputPayloadGenerator.next().value;
+    workspaceIdSelectorEffect.payload.selector = jest.fn();
+    workspaceIdSelectorEffect.payload.selector.mockReturnValue(
+      "testWorkspaceId",
+    );
+
+    // Mock getPluginIdOfPackageName selector
+    const pluginIdSelectorEffect = outputPayloadGenerator.next().value;
+    pluginIdSelectorEffect.payload.selector = jest.fn();
+    pluginIdSelectorEffect.payload.selector.mockReturnValue("pluginId");
+
+    // Get actionconfig value now
+    const outputPayload = outputPayloadGenerator.next().value;
+    expect(outputPayload?.actionConfiguration.autoGeneratedHeaders).toEqual([]);
+  });
+
+  it("2. Bug 27941: Tests createDefaultApiActionPayload to return prepopulated empty array for autoGeneratedHeaders", function () {
+    inputPayload.apiType = "restapi-plugin";
+    const outputPayloadGenerator: Generator =
+      createDefaultApiActionPayload(inputPayload);
+
+    // Mocking getCurrentWorkspaceId selector
+    const workspaceIdSelectorEffect = outputPayloadGenerator.next().value;
+    workspaceIdSelectorEffect.payload.selector = jest.fn();
+    workspaceIdSelectorEffect.payload.selector.mockReturnValue(
+      "testWorkspaceId",
+    );
+
+    // Mock getPluginIdOfPackageName selector
+    const pluginIdSelectorEffect = outputPayloadGenerator.next().value;
+    pluginIdSelectorEffect.payload.selector = jest.fn();
+    pluginIdSelectorEffect.payload.selector.mockReturnValue("pluginId");
+
+    // Get actionconfig value now
+    const outputPayload = outputPayloadGenerator.next().value;
+    expect(outputPayload?.actionConfiguration.autoGeneratedHeaders).toEqual([]);
+  });
+});