How to get the list of certificates under an Azure App service using either Azure CLI or REST API with thumbprint and expiration details?
List SSL certificates for web applications.
To build a list of SSL certificates in Azure CLI.
az webapp config ssl list --resource-group MyResourceGroup
To display the details of a web app's SSL certificate.
az webapp config ssl show --resource-group MyResourceGroup --certificate-name cname.mycustomdomain.com
Get all certifications for a subscription
GET https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Web/certificates?api-version=2021-02-01
and with optional parameters
GET https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Web/certificates?api-version=2021-02-01&$filter={$filter}