# Let's Encrypt — TLS certificate maximum validity by Certificate Authority: what each CA actually issues today

For Let's Encrypt, profile or product is shortlived; maximum validity (days) is 6; still issuing tls certificates is yes; notes is Validity Period is stated as 160 hours in the profile table; qualifies as a Short-Lived Subscriber Certificate under the Baseline Requirements and needs no revocation information, recorded from its source on 2026-08-18.

- **Certificate Authority:** Let's Encrypt _(verified: appears in the quote below)_
- **Profile or Product:** shortlived _(our reading, not quoted from the source)_
- **Maximum validity (days):** 6
- **Still issuing TLS certificates:** yes _(our reading, not quoted from the source)_
- **Notes:** Validity Period is stated as 160 hours in the profile table; qualifies as a Short-Lived Subscriber Certificate under the Baseline Requirements and needs no revocation information. _(our reading, not quoted from the source)_

## What the source says

> The shortlived profile is identical to the tlsserver profile, with one key distinction: the resulting certificate is only valid for 6ish days.

## Source

- https://letsencrypt.org/docs/profiles/

Last verified: 2026-08-18. Review by: 2026-09-17.
Part of [TLS certificate maximum validity by Certificate Authority: what each CA actually issues today](https://referencesource.org/ca-issuance-validity/).