Hunter.io is find + verify work emails. ToolCenter is a broader API platform — 40+ tools incl. email under a single bearer token, plus an MCP server for AI agents. Here's how they compare and when to switch.
Every compare page on this site starts the same way: a shipping team hit a billing wall, or outgrew a single-purpose API. Here's what they find on the other side.
If you need plain validation (syntax + MX + disposable), our endpoint is 80 % cheaper.
Get email-validate + DNS + WHOIS + SSL in one subscription.
MCP server exposes our tools to Claude and other agents.
We're not pretending otherwise — if these are your core needs, Hunter.io is a great product.
Drop your Hunter.io key, swap the base URL, ship. Our free tier covers 100 calls — enough to evaluate before you commit. No credit card.