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API Gateway:Change the protocol and certificate of a domain name

Last Updated:Feb 27, 2026

When an SSL certificate expires, a domain name changes ownership, or you need to upgrade from HTTP to HTTPS, update the protocol or certificate of the domain name in Cloud-native API Gateway.

Supported protocols

ProtocolPort
HTTP80
HTTPS443
If you select HTTPS, you must associate the HTTPS protocol with an SSL certificate.

Procedure

  1. Log on to the Cloud-native API Gateway console.

  2. In the left-side navigation pane, click Domain Name. In the top navigation bar, select a region.

  3. On the Domain Name page, click the domain name that you want to manage.

  4. On the domain name details page, click Edit.

  5. Change the protocol or certificate:

    • Change the protocol: Select HTTP or HTTPS from the drop-down list next to Domain Name, and then click OK.

    • Change the certificate: Select a certificate from the drop-down list next to Certificate, and then click OK.