diff --git a/web/src/api/code.ts b/web/src/api/code.ts
new file mode 100644
index 0000000..5bb8a50
--- /dev/null
+++ b/web/src/api/code.ts
@@ -0,0 +1,25 @@
+import { handleApiError } from ".";
+
+export interface CodeResponse {
+  code: string;
+}
+
+export const codeApi = async (accessToken: string, nonce: string) => {
+  const response = await fetch("/api/v1/oauth/code", {
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json",
+      Authorization: `Bearer ${accessToken}`,
+    },
+    body: JSON.stringify({
+      nonce,
+    }),
+  });
+
+  if (response.status !== 200 && response.status !== 201)
+    throw await handleApiError(response);
+
+  const data: CodeResponse = await response.json();
+
+  return data;
+};