1. DNS/Cloudflare/API
Contents
Cloudflare API v4 Documentation https://api.cloudflare.com/
Getting started
The Cloudflare API is a RESTful API based on HTTPS requests and JSON responses. If you are registered with Cloudflare, you can obtain your API key from the bottom of the "API Tokens" page, found here: Go to My account.
CloudFlare、APIでIPを切り替える https://kore1server.com/253/CloudFlare%E3%80%81API%E3%81%A7IP%E3%82%92%E5%88%87%E3%82%8A%E6%9B%BF%E3%81%88%E3%82%8B
1.1. DNS records
https://community.cloudflare.com/t/update-dns-records-via-api/132221