Dynamic API routes returned 404 errors for some deployments

Aug 14 , 13:08 UTC Resolved - This incident has been resolved. Between August 12, 17:12 UTC and August 13, 20:33 UTC, some Vercel deployments could return 404 errors from dynamic API routes. Deployments built on Vercel during this period were affected only if they met all three conditions: used Next.js 16.2 or earlier, used the Pages Router with internationalization (i18n configured in next.config.js), and used dynamic API routes, such as pages/api/[slug].ts or pages/api/[...path].ts. Deployments built outside Vercel (with vercel deploy --prebuilt) were not affected, and existing deployments…

Vercel Statusで読む

2026/08/14 22:08、Vercel Statusが「Dynamic API routes returned 404 errors for some deployments」を公開しました (種別: 障害・メンテナンス)。状態は「解決済み」です。関連する技術: Vercel。