diff --git a/server/api/api/v1/markers/index.ts b/server/api/api/v1/markers/index.ts
index 04272e63..3f9de30e 100644
--- a/server/api/api/v1/markers/index.ts
+++ b/server/api/api/v1/markers/index.ts
@@ -34,6 +34,7 @@ export const schemas = {
         "timeline[]": z
             .array(z.enum(["home", "notifications"]))
             .max(2)
+            .or(z.enum(["home", "notifications"]))
             .optional(),
         "home[last_read_id]": z.string().regex(idValidator).optional(),
         "notifications[last_read_id]": z.string().regex(idValidator).optional(),
@@ -47,9 +48,11 @@ export default (app: Hono) =>
         zValidator("query", schemas.query, handleZodError),
         auth(meta.auth),
         async (context) => {
-            const { "timeline[]": timeline } = context.req.valid("query");
+            const { "timeline[]": timelines } = context.req.valid("query");
             const { user } = context.req.valid("header");
 
+            const timeline = Array.isArray(timelines) ? timelines : [];
+
             if (!user) {
                 return errorResponse("Unauthorized", 401);
             }
diff --git a/server/api/api/v1/statuses/index.test.ts b/server/api/api/v1/statuses/index.test.ts
index e4065bae..feaf2ce9 100644
--- a/server/api/api/v1/statuses/index.test.ts
+++ b/server/api/api/v1/statuses/index.test.ts
@@ -178,13 +178,15 @@ describe(meta.route, () => {
     });
 
     test("should create a post with visibility", async () => {
+        // This one uses JSON to test the interop
         const response = await sendTestRequest(
             new Request(new URL(meta.route, config.http.base_url), {
                 method: "POST",
                 headers: {
                     Authorization: `Bearer ${tokens[0].accessToken}`,
+                    "Content-Type": "application/json",
                 },
-                body: new URLSearchParams({
+                body: JSON.stringify({
                     status: "Hello, world!",
                     visibility: "unlisted",
                     federate: "false",
diff --git a/server/api/api/v1/statuses/index.ts b/server/api/api/v1/statuses/index.ts
index ae5e50bc..107635f3 100644
--- a/server/api/api/v1/statuses/index.ts
+++ b/server/api/api/v1/statuses/index.ts
@@ -1,4 +1,4 @@
-import { applyConfig, auth, handleZodError, qs } from "@api";
+import { applyConfig, auth, handleZodError, jsonOrForm, qs } from "@api";
 import { zValidator } from "@hono/zod-validator";
 import { errorResponse, jsonResponse } from "@response";
 import { config } from "config-manager";
@@ -83,7 +83,7 @@ export default (app: Hono) =>
     app.on(
         meta.allowedMethods,
         meta.route,
-        qs(),
+        jsonOrForm(),
         zValidator("form", schemas.form, handleZodError),
         auth(meta.auth),
         async (context) => {