diff --git a/src/Utils/__test__/metaphysics.test.ts b/src/Utils/__test__/metaphysics.test.ts
new file mode 100644
index 0000000000..d15d226b64
--- /dev/null
+++ b/src/Utils/__test__/metaphysics.test.ts
@@ -0,0 +1,22 @@
+jest.mock("isomorphic-fetch")
+import metaphysics from "../metaphysics"
+
+declare const global: any
+global.fetch = jest.fn(() =>
+  Promise.resolve({
+    status: 200,
+    json: () => Promise.resolve({ data: {} }),
+  })
+)
+
+it("Adds a user agent for reaction", () => {
+  expect.assertions(1)
+
+  return metaphysics("query {}").then(() => {
+    expect(global.fetch).toBeCalledWith(undefined, {
+      body: '{"query":"query {}"}',
+      headers: { "Content-Type": "application/json", "User-Agent": "Reaction" },
+      method: "POST",
+    })
+  })
+})
diff --git a/src/Utils/metaphysics.ts b/src/Utils/metaphysics.ts
index 4f1c73fbae..0809232d21 100644
--- a/src/Utils/metaphysics.ts
+++ b/src/Utils/metaphysics.ts
@@ -7,15 +7,19 @@ export function metaphysics<T>(
   user?: User,
   checkStatus: boolean = true
 ): Promise<T> {
+  const headers = {
+    "Content-Type": "application/json",
+    "User-Agent": "Reaction",
+  }
   return fetch(sharify.data.METAPHYSICS_ENDPOINT, {
     method: "POST",
     headers: !!user
       ? {
-          "Content-Type": "application/json",
+          ...headers,
           "X-USER-ID": user && user.id,
           "X-ACCESS-TOKEN": user && user.accessToken,
         }
-      : { "Content-Type": "application/json" },
+      : headers,
     body: JSON.stringify(payload),
   })
     .then(response => {