Mailook

For SDR and marketing teams that live and die by inbox placement, Mailook is a focused diagnostic layer — it tells you exactly what's broken in your sending setup and hands you the fix, without wrapping it in a broader platform you don't need. On the agentic side, an API is available, but agentic readiness is rated Limited — you can pull scores and trigger audits programmatically, but don't expect to build a reliable autonomous deliverability loop on top of it without hitting friction. Pricing isn't publicly listed, so budget conversations will require a direct conversation with the team before you can forecast cost at scale. The honest constraint here is scope: Mailook diagnoses and monitors, but it doesn't touch sending, sequencing, or warming — you'll need separate tooling for those, and the value only shows up once your outbound motion is already running.