Vultr Customer Portal

1. Navigate to Products, click CDN, and then click Push Zones.
2. Click your target CDN Push Zone subscription to open its management page.
3. Click Custom Domain.
4. Provide the Custom Domain and Domain-validated Certificate(SSL/TLS) and Private Key files.
5. Click Update Custom Domain.

Vultr API

1. Send a GET request to the List CDN Push Zones endpoint and note the target Push Zone subscription’s ID.
   console

   $ curl "https://api.vultr.com/v2/cdns/push-zones" \
       -X GET \
       -H "Authorization: Bearer ${VULTR_API_KEY}"

2. Send a PUT request to the Update CDN Push Zone endpoint to update the custom domain.
   console

   $ curl "https://api.vultr.com/v2/cdns/push-zones/{pushzone-id}" \
       -X PUT \
       -H "Authorization: Bearer ${VULTR_API_KEY}" \
       -H "Content-Type: application/json" \
       --data '{
           "vanity_domain": "{custom_vanity_domain}",
           "ssl_cert": "BASE64_ENCODED_SSL_CERT_CONTENT",
           "ssl_cert_key": "BASE64_ENCODED_SSL_KEY_CONTENT"
       }'