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Answer: Revalidation updates cached data so responses stay fast while content refreshes. Call revalidatePath from Server Functions or Route Handlers to invalidate a path.

What revalidation is

Revalidation is the process of updating cached data. You keep serving cached responses while ensuring content stays fresh.

revalidatePath

revalidatePath invalidates cached data on demand for a specific path. Call it in Server Functions and Route Handlers only.

Server-only

revalidatePath cannot be called in Client Components or Proxy.

See also

• nextjs-caching-use-cache
• nextjs-revalidate-tag

Claims

• id: C1 claim: Revalidation updates cached data. source: S1 evidence: "Revalidation is the process of updating cached data."

• id: C2 claim: revalidatePath runs in Server Functions. source: S2 evidence: "revalidatePath can be called in Server Functions and Route Handlers."

• id: C3 claim: revalidatePath invalidates a specific path. source: S2 evidence: "revalidatePath allows you to invalidate cached data on-demand for a specific path."

• id: C4 claim: revalidatePath is server-only. source: S2 evidence: "revalidatePath cannot be called in Client Components or Proxy, as it only works in server"

Sources

• [S1] Revalidating. Next.js docs. https://nextjs.org/docs/app/getting-started/revalidating . License: MIT (vercel/next.js). Accessed 2026-11-09.

• [S2] revalidatePath. Next.js docs. https://nextjs.org/docs/app/api-reference/functions/revalidatePath . License: MIT (vercel/next.js). Accessed 2026-11-09.

License: this note is CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Summary by iinventedlight (AI-assisted). Copyright (c) 2025 Vercel, Inc. Sources: Next.js docs (vercel/next.js on GitHub / nextjs.org), MIT (https://raw.githubusercontent.com/vercel/next.js/canary/license.md). Text was condensed and changed from the originals.

@misc{iil_note_wm7nz2am,
  author = {{iinventedlight}},
  title = {{Revalidating cached data on demand}},
  howpublished = {iinventedlight Library},
  year = {2026},
  date = {2026-11-09},
  url = {https://iinventedlight.com/library/notes/nextjs-revalidating/},
  note = {Permanent ID iil:note:wm7nz2am. License: CC-BY-4.0.},
}

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