diff --git a/server/api/auth/verify.post.ts b/server/api/auth/verify.post.ts
index 167af74..52e88b2 100644
--- a/server/api/auth/verify.post.ts
+++ b/server/api/auth/verify.post.ts
@@ -26,5 +26,8 @@ export default defineProtectedEventHandler(async (event) => {
     })
   }
 
-  return { ok: true }
+  return {
+    id: user?.id,
+    registered: true,
+  }
 })
diff --git a/server/api/auth/register.post.ts b/server/api/user/[id].post.ts
similarity index 70%
rename from server/api/auth/register.post.ts
rename to server/api/user/[id].post.ts
index 54b41f8..a53ead2 100644
--- a/server/api/auth/register.post.ts
+++ b/server/api/user/[id].post.ts
@@ -4,9 +4,7 @@ import { users } from '~/server/db/schema'
 
 const registerRequestBody = z.object({
   firebaseId: z.string().nonempty(),
-  email: z.string().email().optional(),
-  id: z.string().cuid2().optional(),
-}).refine(val => !val.email && !val.id, 'Either `email` or `id` must be provided.')
+})
 
 export default defineProtectedEventHandler(async (event) => {
   const result = await registerRequestBody.safeParseAsync(await readBody(event))
@@ -19,13 +17,13 @@ export default defineProtectedEventHandler(async (event) => {
 
   const { data } = result
 
-  const query = data.id ? eq(users.id, data.id) : eq(users.email, data.email!)
-
   const user = await event.context.database.update(users)
     .set({
       firebaseId: data.firebaseId,
     })
-    .where(query)
+    .where(
+      eq(users.id, event.context.params!.id),
+    )
     .returning()
 
   return user