Bouncer

For RevOps and marketing teams that run high-volume email programs, Bouncer is a focused, no-frills verification layer that does exactly what it says — clean your list, protect your sender score, and keep bad addresses out of your funnel. On the agentic readiness front, the REST API is solid and well-documented enough that you can wrap it into your own MCP layer or automation pipeline without much friction, even though a native MCP server hasn't been confirmed. Pricing is usage-based and starts accessible for small teams, but costs will climb predictably as list volumes grow — budget accordingly if you're verifying north of 100k addresses per month. The honest limitation here is that Bouncer stops at verification and deliverability hygiene; it won't source contacts, run sequences, or enrich records beyond basic engagement signals, so it needs to sit alongside a broader GTM stack rather than replace one.