ZeroSSL · ACME/free
What is the maximum validity (days) for ZeroSSL · ACME/free?
For ZeroSSL, profile or product is ACME/free; maximum validity (days) is 90; still issuing tls certificates is yes; notes is Free ACME-issued certificates are 90 days, renewable automatically with any major ACME client, recorded from its source on 2026-08-18; source re-checked 2026-09-29.
ACME integrations let you order and renew 90-day certificates automatically and free of charge, using any major ACME client:
— zerossl.com, retrieved 2026-08-18
- Certificate Authority
- ZeroSSL
- Profile or Product
- ACME/free our reading
- Maximum validity (days)
- 90 verified
- Still issuing TLS certificates
- yes our reading
- Notes
- Free ACME-issued certificates are 90 days, renewable automatically with any major ACME client. our reading
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Still issuing TLS certificates
Creating and renewing 90-day SSL certificates using third-party ACME clients is as easy as it gets, and fully automated.
— all from zerossl.com, retrieved 2026-08-18
Source
- zerossl.comhttps://zerossl.com/features/acme/