MyEmailVerifier

Know your list before you send.

Data & Discovery

For AI agents

APICapable readiness

About

What is MyEmailVerifier

MyEmailVerifier checks email addresses against syntax rules, domain records, MX configurations, and live mailbox existence — without sending a single message. It's built for SDRs, founders, and marketing teams at solo operations and SMBs who need clean lists before a campaign goes out. The standout capability is catch-all and spam trap detection, which flags addresses that appear valid but will silently absorb or penalize sends — a distinction most basic validators skip. A real-time API lets you embed verification directly into signup forms or enrichment workflows via Zapier or native HubSpot. The honest limitation: it doesn't tell you whether a contact is a good fit or likely to convert — it only tells you the address is deliverable.

Data & Discovery

Capabilities

Key features

Email verification

validates whether an address is deliverable

Native CRM integration

first-party connectors, no middleware required

No-code automation support

works with major iPaaS platforms

Our verdict

Vanderbuild take

For SDRs, founders, and marketing teams sending cold or warm email at the SMB scale, MyEmailVerifier does one thing clearly: it tells you whether an address is safe to send to before you burn your domain reputation on a bad list. The REST API is live and documented, so you can wrap it into your own MCP layer or agentic enrichment pipeline without much friction — it's a clean, callable verification step in a larger outbound workflow. Free or near-free to start, with per-credit pricing that stays predictable as volume grows — low risk to test against your current stack. The limitation worth noting is that catch-all detection flags a domain as catch-all but can't confirm individual mailbox validity within it, so some ambiguity remains on those addresses.

Mateusz Sekta

Founder, vanderbuild

Learn more

Our Resources

The wedge

Agentic stack profile

API

REST

Programmatic access available.

REST API — straightforward to call from any agent or workflow tool. Rate limits and auth vary by plan.

API docs →

Agentic readiness

Capable

Solid API access — wraps cleanly for agent use.

Solid REST or SDK access. No MCP server yet, but easy to wrap in custom agent tooling. Most modern SaaS tools land here.

Stack role

Verifier

Where this tool slots into an agentic pipeline.

Plays the role of Verifier in an agentic pipeline. Use it to validate emails or phones before an agent sends or dials.

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