Let's Encrypt rate-limit planner
Plan certificate issuance for a set of hostnames: group them by registered domain and see how they map onto Let's Encrypt's rate limits.
Certificates & PKIRuns locally in your browser. Nothing is sent anywhere.
API endpointGEThttps://ronutz.com/api/v1/letsencrypt-rate-limitsDocumented, not served. Opens the specification.