cloudflare.sh

#!/bin/bash

# Clouflare's old v1 api - https://www.cloudflare.com/docs/client-api.html

IP=`dig +short myip.opendns.com @resolver1.opendns.com`

curl -X PUT https://api.cloudflare.com/client/v4/zones/<ZONE-ID>/dns_records/<REC-ID> \
    -H 'X-Auth-Email: <ACCOUNT-EMAIL>' \
    -H 'X-Auth-Key: <API-TOKEN>' \
    -H 'Content-Type: application/json' \
    --data '{
        "type": "A",
        "name": "<SUBDOMAIN-NAME>",
        "content": "'"$IP"'",
        "proxied": false,
        "ttl": 120
    }'

https://api.cloudflare.com/