# Vercel Sign JWTs from your Functions without managing private keys - Product: Vercel (https://whatsnew.fyi/product/vercel) - Vendor: Vercel - Date: 2026-08-18 - Original notes: https://vercel.com/changelog/sign-jwts-from-your-functions-without-managing-private-keys - Permalink: https://whatsnew.fyi/product/vercel/releases/2026-08-18-sign-jwts-from-your-functions-without-managing-pr What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- Vercel KMS lets you sign JWTs and arbitrary messages from your Vercel Functions using managed asymmetric signing keys, so private keys never live in your code or environment variables. Your function a… - **added** — Vercel KMS lets you sign JWTs and arbitrary messages from your Vercel Functions using managed asymmetric signing keys without managing private keys in code or environment variables