diff --git a/packages/js/plugins/http/schema.graphql b/packages/js/plugins/http/schema.graphql
index c28a43c9cf..da6abf4404 100644
--- a/packages/js/plugins/http/schema.graphql
+++ b/packages/js/plugins/http/schema.graphql
@@ -18,16 +18,14 @@ type Response {
 type Request {
   headers: [Header!]
   urlParams: [UrlParam!]
-  responseType: String! # "TEXT" || "BINARY"
+  responseType: ResponseType!
   body: String
 }
 
-# Enum types curently not supported 
-#
-# enum ResponseType {
-#   TEXT
-#   BINARY
-# }
+enum ResponseType {
+  TEXT
+  BINARY
+}
 
 type Query {
   get(url: String!, request: Request): Response
diff --git a/packages/js/plugins/http/src/__tests__/e2e/e2e.spec.ts b/packages/js/plugins/http/src/__tests__/e2e/e2e.spec.ts
index 45c6f498d3..f0e4168220 100644
--- a/packages/js/plugins/http/src/__tests__/e2e/e2e.spec.ts
+++ b/packages/js/plugins/http/src/__tests__/e2e/e2e.spec.ts
@@ -251,7 +251,7 @@ describe("e2e tests for HttpPlugin", () => {
             post(
               url: "http://www.example.com/api"
               request: {
-                responseType: BINARY
+                responseType: 1
                 body: "{data: 'test-request'}"
               }
             )
@@ -293,7 +293,7 @@ describe("e2e tests for HttpPlugin", () => {
             post(
               url: "http://www.example.com/api"
               request: {
-                responseType: TEXT
+                responseType: 0
                 body: "{data: 'test-request'}"
                 urlParams: [{key: "query", value: "foo"}]
                 headers: [{key: "X-Request-Header", value: "req-foo"}]
diff --git a/packages/js/plugins/http/src/__tests__/unit/index.test.ts b/packages/js/plugins/http/src/__tests__/unit/index.test.ts
index f58140df85..4708063a48 100644
--- a/packages/js/plugins/http/src/__tests__/unit/index.test.ts
+++ b/packages/js/plugins/http/src/__tests__/unit/index.test.ts
@@ -1,6 +1,7 @@
 import { HttpPlugin } from "../../index";
 
 import axios, { AxiosResponse, AxiosRequestConfig } from "axios";
+import { ResponseType } from "../../types";
 
 // mock axios
 jest.mock("axios");
@@ -35,7 +36,7 @@ describe("test http plugin", () => {
           { key: "X-Test-Header", value: "test-header-value" },
         ],
         urlParams: [{ key: "q", value: "test-param" }],
-        responseType: "TEXT",
+        responseType: ResponseType.TEXT,
       });
 
       expect(mockedAxios.get).lastCalledWith("/api/test", {
@@ -72,7 +73,7 @@ describe("test http plugin", () => {
           { key: "X-Test-Header", value: "test-header-value" },
         ],
         urlParams: [{ key: "q", value: "test-param" }],
-        responseType: "BINARY",
+        responseType: ResponseType.BINARY,
       });
 
       expect(mockedAxios.get).lastCalledWith("/api/test", {
@@ -114,7 +115,7 @@ describe("test http plugin", () => {
         ],
         urlParams: [{ key: "q", value: "test-param" }],
         body: "{request: 1001}",
-        responseType: "TEXT",
+        responseType: ResponseType.TEXT,
       });
 
       expect(mockedAxios.post).lastCalledWith("/api/test", "{request: 1001}", {
@@ -152,7 +153,7 @@ describe("test http plugin", () => {
         ],
         urlParams: [{ key: "q", value: "test-param" }],
         body: "{request: 1001}",
-        responseType: "BINARY",
+        responseType: ResponseType.BINARY,
       });
 
       expect(mockedAxios.post).lastCalledWith("/api/test", "{request: 1001}", {
diff --git a/packages/js/plugins/http/src/__tests__/unit/util.test.ts b/packages/js/plugins/http/src/__tests__/unit/util.test.ts
index 479274ce0c..c3a39367d8 100644
--- a/packages/js/plugins/http/src/__tests__/unit/util.test.ts
+++ b/packages/js/plugins/http/src/__tests__/unit/util.test.ts
@@ -1,6 +1,8 @@
 import { fromAxiosResponse, toAxiosRequestConfig } from "../../util";
+import { ResponseType } from "../../types";
 
 describe("converting axios response", () => {
+
   test("response type: text", () => {
     const response = fromAxiosResponse({
       status: 200,
@@ -45,7 +47,7 @@ describe("creating axios config", () => {
         { key: "Accept", value: "application-json" },
         { key: "X-Header", value: "test-value" },
       ],
-      responseType: "TEXT",
+      responseType: ResponseType.TEXT,
       body: "body-content",
     });
 
@@ -60,7 +62,7 @@ describe("creating axios config", () => {
   test("with url params", () => {
     const config = toAxiosRequestConfig({
       urlParams: [{ key: "tag", value: "data" }],
-      responseType: "BINARY",
+      responseType: ResponseType.BINARY,
       body: "body-content",
     });
 
diff --git a/packages/js/plugins/http/src/types.ts b/packages/js/plugins/http/src/types.ts
index 11dd7e7d3d..ad92d05af4 100644
--- a/packages/js/plugins/http/src/types.ts
+++ b/packages/js/plugins/http/src/types.ts
@@ -11,7 +11,10 @@ export class UrlParam {
   value: string;
 }
 
-export type ResponseType = "TEXT" | "BINARY";
+export enum ResponseType {
+  TEXT,
+  BINARY,
+}
 
 export class Request {
   headers?: Header[];
diff --git a/packages/js/plugins/http/src/util.ts b/packages/js/plugins/http/src/util.ts
index 1f9c9b553e..6f0ac9fa33 100644
--- a/packages/js/plugins/http/src/util.ts
+++ b/packages/js/plugins/http/src/util.ts
@@ -1,4 +1,4 @@
-import { Request, Response, Header } from "./types";
+import { Request, Response, Header, ResponseType } from "./types";
 
 import { AxiosResponse, AxiosRequestConfig } from "axios";
 
@@ -50,7 +50,8 @@ export function toAxiosRequestConfig(request: Request): AxiosRequestConfig {
   }, {});
 
   let config: AxiosRequestConfig = {
-    responseType: request.responseType == "BINARY" ? "arraybuffer" : "text",
+    responseType:
+      request.responseType == ResponseType.BINARY ? "arraybuffer" : "text",
   };
 
   if (urlParams) {