Reference Source

ZeroSSL

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.

Certificate Authority
ZeroSSL verified
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
Sourcezerossl.com
Verified
Review by
DatasetTLS certificate maximum validity by Certificate Authority: what each CA actually issues today

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.

What the source says

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

Source

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