Compatible with
account required
ZeroSSL
ZeroSSL supports both a REST certificate API and ACME with External Account Binding. sslcertificates.io registers credentials, lists products, creates a certificate order, posts CNAME or HTTP validation, polls status, downloads the bundle, renews and revokes. EAB credentials can be fetched when an access key is present.
Verification: test_verified. Connection: unknown. Credentials: none. Live E2E: no.
ZeroSSL access key / ACME EAB credentials are not configured.
What sslcertificates.io can do
ZeroSSL supports both a REST certificate API and ACME with External Account Binding. sslcertificates.io registers credentials, lists products, creates a certificate order, posts CNAME or HTTP validation, polls status, downloads the bundle, renews and revokes. EAB credentials can be fetched when an access key is present. Capabilities: acme, rest, eab, issue, validate, download, revoke, products. Authentication uses api_key+acme_eab.
Required permissions
REST access_key from the ZeroSSL developer console, or ACME External Account Binding credentials.
Setup
Open Dashboard → Integrations → ZeroSSL. Enter the credentials described on this page. Values are encrypted at rest and never shown again. Run Test connection. Discovery runs only after authentication succeeds. Select a discovered resource. Do not paste opaque IDs unless the provider cannot enumerate them. Perform the certificate or notification action, then confirm the external system matches. Disconnect removes stored credentials and owned test resources created by sslcertificates.io.
Known limitations
Live issuance needs a ZeroSSL account. REST and ACME are both implemented. Browser-trusted issuance is not claimed without a live order.
Official sources
Fact checked 2026-09-20. https://zerossl.com/documentation/api/ https://zerossl.com/documentation/acme/ ZeroSSL is a trademark of its owner. sslcertificates.io is not a partner or certified reseller unless a written agreement exists.
Capabilities
Connect
ZeroSSL is a trademark of its owner. sslcertificates.io is not a partner or certified reseller unless a written agreement exists.