HIBP Mega Update: Passkeys, k-Anonymity Searches, Massive Speed Enhancements and a Bulk Domain Verification API

This announcement details Have I Been Pwned's product and API updates: new Core/Pro/High-RPM/Enterprise plans, MSP support for monitoring third parties, automated DNS- and email-based domain verification (including auto-verifying subdomains), k-anonymity email-search API, unsmoothed per-minute rate limits, Cloudflare edge caching and asynchronous rate-limit validation for faster responses, passkey-based dashboard sign-in, and forthcoming pricing and domain-cap limits with updated Terms of Use.