VeriMails vs Voila Norbert

Verification Accuracy

Voila Norbert has a long history as an email finder and is well regarded for it, with reviewers reporting roughly 95 to 98 percent accuracy on email finds. Alongside the finder it runs a genuine multi-step verification process before returning results, and its standalone email verification tool targets 98 percent deliverability on verified addresses. One useful nuance from Voila Norbert itself: its finder confidence scores reflect how confident it is in the discovery, not necessarily the current SMTP deliverability of the mailbox. That is an honest distinction and a good reason to run a dedicated verification pass on found addresses.

VeriMails is built purely for that verification pass. Every check runs syntax validation, MX and DNS lookups, a live SMTP handshake, catch-all detection, disposable detection, and role-based detection. VeriMails returns a clear status alongside the checks that explain it. The two products overlap on verification and both are credible, but they lead with different things: Voila Norbert leads with finding and adds verification, while VeriMails does verification as its entire product, with detailed per-address status and a full API around it.

If you use Voila Norbert as your finder, its verification is a fine first filter. For the final live check before a send, especially at volume, a dedicated verifier adds depth.

Catch-all Handling

Catch-all domains accept mail for any address at the domain, so an SMTP probe cannot confirm a specific mailbox. Voila Norbert handles this sensibly: it notes that larger and mid-market companies often run catch-all configurations, that bulk runs surface more catch-all results than single lookups, and it recommends routing catch-all addresses into a separate segment rather than treating them as invalid. That is good practical guidance.

VeriMails performs catch-all detection on every verification and makes it a distinct, visible result. During the live SMTP handshake it identifies domains configured to accept all recipients and flags them clearly, kept separate from a clean valid. That flag is what makes Voila Norbert's recommended workflow easy to act on: when a catch-all is explicitly marked, you can move it to its own segment, send to it carefully, or hold it. Both tools agree that catch-all addresses deserve separate treatment rather than being discarded or trusted blindly. Neither can guarantee delivery to a catch-all mailbox, since that is not technically possible from outside the server, but VeriMails gives you the per-address flag to segment on.

API and Developer Experience

Voila Norbert is developer-friendly in a way many finders are not: it gives every user a free API key, with documented libraries for Node.js, PHP, Python, and Ruby, covering the email finder, verification, and enrichment. Bulk and API usage is included on its prospecting plans, and the documentation is clean. For a finder-led tool, that is a generous and well-built API offering.

VeriMails provides a REST API designed entirely around verification. It has a single-email endpoint and a bulk endpoint, returns clean JSON, supports webhooks for batch jobs, and typically returns real-time-friendly responses on single calls. That speed suits real-time checks on signup and lead capture forms as well as scheduled list cleaning. Both tools have approachable APIs. The difference is scope: Voila Norbert's API spans finding, verifying, and enriching, while the VeriMails API is verification only, with one flat per-verification rate across single and bulk calls and catch-all detection included in every response.

Pricing and Value

Voila Norbert separates finding from verification on price. Finder plans are subscription-based and start around $49 per month, or $39 per month billed annually, for up to 1,000 leads, with higher tiers for 5,000 and beyond, and unused finder credits roll over month to month. Email verification, by contrast, is usage-based: about $0.003 per email, dropping toward $0.001 above 500,000 emails, with a $2 minimum per batch. Contact enrichment is priced separately again. This unbundled model is flexible, and verification credits are only consumed on a result.

VeriMails uses one credit model dedicated to verification. Buy a pack, verify against it, and the credits never expire, so there is nothing to roll over because nothing lapses. Pricing starts at $19 for 10,000 verifications and the per-email rate falls as volume rises. A subscription option is available for teams that prefer a monthly allotment, from $15 per month for 10,000 verifications. Catch-all detection, the API, and bulk CSV processing are included at every tier.

VeriMails Credit Pricing

Credits never expire. No subscriptions required. 100 free credits on signup.

Cost Comparison for Verification

Voila Norbert verification rates drop toward $0.001 per email above 500,000, where the two converge. VeriMails is lower at the volumes most teams actually verify.

Who VeriMails Is Best For

Teams that want a dedicated verification engine at the lowest cost across typical small and mid volumes. Cold email operators who want a final live SMTP check with explicit catch-all flagging before a send. Developers who want a verification-only API with one flat rate across single and bulk calls. Anyone who prefers credit packs that never expire over usage-based batches with a per-batch minimum.

Who Voila Norbert Is Best For

Teams whose main need is finding email addresses, with verification and enrichment handled by the same tool. Users who value Voila Norbert's long track record and its free API key with libraries in several languages. Outreach teams that like credit rollover on the finder for months when volume dips. Buyers at very high verification volume, above 500,000 emails, where Voila Norbert's usage-based rate falls close to VeriMails.

Frequently Asked Questions