diff --git a/.changes/polyfill-fetch.md b/.changes/polyfill-fetch.md
new file mode 100644
index 0000000..fe9094b
--- /dev/null
+++ b/.changes/polyfill-fetch.md
@@ -0,0 +1,5 @@
+---
+"@qubit-rs/client": patch:feat
+---
+
+feat: allow for polyfilling `fetch` for `http` transport (close #55)
diff --git a/packages/client/src/transport/http.ts b/packages/client/src/transport/http.ts
index 39719fd..6fe431e 100644
--- a/packages/client/src/transport/http.ts
+++ b/packages/client/src/transport/http.ts
@@ -1,10 +1,16 @@
 import { build_client } from "../client";
 import { parse_response } from "../jsonrpc";
 
-export function http<Server>(host: string): Server {
+export type HttpOptions = {
+  fetch: typeof fetch;
+};
+
+export function http<Server>(host: string, http_options?: HttpOptions): Server {
+  const fetch_impl = http_options?.fetch || fetch;
+
   return build_client({
     request: async (_id, payload) => {
-      const res = await fetch(host, {
+      const res = await fetch_impl(host, {
         method: "POST",
         mode: "cors",
         headers: { "Content-Type": "application/json" },
diff --git a/packages/client/src/transport/index.ts b/packages/client/src/transport/index.ts
index bb8531e..849d7f6 100644
--- a/packages/client/src/transport/index.ts
+++ b/packages/client/src/transport/index.ts
@@ -1,4 +1,5 @@
 export { ws } from "./ws";
-export { http } from "./http";
+export { http, type HttpOptions } from "./http";
+export type { SocketOptions } from "../util";
 
 export type ClientBuilder<Server> = (host: string) => Server;