Switching Certificate Issuers with acme.sh

The default certificate issuer for acme.sh is ZeroSSL. If you want to switch, you need to use the –server option during the normal certificate issuance process.

Short Name	ACME Server URL	Usage Wiki
letsencrypt	https://acme-v02.api.letsencrypt.org/directory	N/A
letsencrypt_test	https://acme-staging-v02.api.letsencrypt.org/directory	N/A
buypass	https://api.buypass.com/acme/directory	BuyPass.com CA
buypass_test	https://api.test4.buypass.no/acme/directory	BuyPass.com CA
zerossl	https://acme.zerossl.com/v2/DV90	ZeroSSL.com CA
sslcom	https://acme.ssl.com/sslcom-dv-rsa, https://acme.ssl.com/sslcom-dv-ecc	SSL.com CA
google	https://dv.acme-v02.api.pki.goog/directory	Google Public CA
googletest	https://dv.acme-v02.test-api.pki.goog/directory	Google Public CA

For example, you can use the following command:

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acme.sh --issue .... --server zerossl

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acme.sh --issue .... --server https://acme.zerossl.com/v2/DV90

If you need to change the default issuer, you can use the following command:

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acme.sh --set-default-ca --server letsencrypt