curl --location --request GET 'https://api.cloudflare.com/client/v4/zones//origin_tls_client_auth/hostnames/certificates/'
{
"errors": [],
"messages": [],
"result": {
"certificate": "-----BEGIN CERTIFICATE-----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\nYbjM2rxXiyLGxB4Bol7QTv4zHif7Zt89FReT/NBy4rzaskDJY5L6xmY=\n-----END CERTIFICATE-----\n",
"expires_on": "2100-01-01T05:20:00Z",
"id": "2458ce5a-0c35-4c7f-82c7-8e9487d3ff60",
"issuer": "GlobalSign",
"serial_number": "6743787633689793699141714808227354901",
"signature": "SHA256WithRSA",
"status": "active",
"uploaded_on": "2019-10-28T18:11:23.37411Z"
},
"success": true
}