Email Format Lookup

Email Pattern Lookup. Find Any Company's Email Format

Pattern lookup tells you how a company structures email addresses, with usage percentages. Combined with AI normalization, it is the most effective way to turn catch-all unknowns into confirmed results.

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15 credits per domain · Every address from that domain benefits from the same lookup · 200 credits free, no card required

Pattern lookup— 15 cr per domainCached domains— freeAI normalization— free

How Email Format Lookup Works

Enter a domain. Pattern lookup analyses how that company formats email addresses and returns a ranked list with usage percentages.

snowplow.ionaming patterns

first.last@72%

firstname@18%

firstl@10%

15 credits per domain, charged once. Every email from that domain benefits — including future lookups, which cost nothing.

Cost comparison

Resolve all 20 catch-all addresses blindly100 cr

Lookup domain + resolve 14 pattern-matching85 cr

A 15-credit domain lookup combined with targeted resolution consistently outperforms resolving every catch-all address at random.

Email Patterns on Catch-All Domains

When a domain is catch-all, standard verification cannot tell real addresses from invented ones. But most companies use a consistent naming convention. If 72% of addresses at a domain follow first.last@, then andrew.cooper@snowplow.io is a high-probability address worth resolving. A randomly assembled string at the same domain is not.

Pattern lookup before resolution lets you prioritise. You spend 5 credits per resolution on the addresses most likely to come back confirmed. You set aside the ones that do not match any known pattern.

AI Email Normalization
Correct before you verify.

Pattern lookup tells you the format. AI normalization ensures the name is correct before you spend a resolution credit.

AI normalizationfree

Pattern lookup15 cr / domain

Resolution5 cr / result

Without normalization

james.wilsn@snowplow.ioMatches first.last@ pattern but the name is wrong — resolution fails.

With normalization

1Pattern lookup confirms the domain uses first.last@ at 72%

2AI normalization flags james.wilsn@ and suggests james.wilson@

3Catch-all resolution runs on the corrected address

Confirmed deliverable

Find Email Addresses by Domain Pattern

In both cases pattern lookup replaces guesswork with data.

After a verification job

Catch-all addresses come back flagged at no cost. Look up the domain, identify which flagged addresses match the naming convention, resolve those first.

Before building a contact

You know someone's name and company but not their address. Look up the domain pattern, construct the most likely format, verify it directly.

Email Pattern Lookup + Catch-All Resolution

Pattern lookup without resolution tells you what to try. Resolution without pattern lookup means spending credits without knowing the odds. Together they give you a systematic way to recover confirmed contacts from domains that standard verification cannot touch.

See how catch-all resolution works →

200 free credits.
No card.

Look up a domain, see the naming patterns, and verify the addresses most likely to be real.

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