Gripwise

AI prospecting platform for highly targeted outreach.

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Gripwise AI

Gripwise
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Waterfall EnrichmentNew35+ data providers in one waterfall. Pay only for a verified hitB2B Lead Generation300M+ contacts across 35+ industry-leading providers, plus live signalsDialer & NumbersCall from the browser on a local number in 130 countriesCold Email OutreachA dated, sourced reason to reach out in every messageAI Sales PipelineResearch, outreach and follow-up running as one motionLead QualificationEvery account researched and ruled on before the first sendAutomationsEvery LinkedIn, email, lead and campaign automation we shipPlatformThe six tools you were about to buy separately
For Early-Stage StartupsPipeline before headcount, without an SDR or six toolsFor Outbound FreelancersQualified lists for the clients whose outbound you runFor Founder-Led SalesRun the motion yourself, before you hire a rep
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All automations
EmailIncluded in Outreach

Email Verification

Never send to a bad email again. Gripwise verifies every lead's email address before your campaign sends — catching invalid, disposable, and risky addresses before they damage your reputation.

Start using this — free

At a glance

Verification
3-layer
Per email
<5s
Bounce prevention
Auto

Works with

GmailOutlookCSV Import

Included in the Outreach plan

Why teams use this

1

Bounce prevention

Catch invalid emails before they damage your sender reputation.

2

Automatic cleaning

Every imported lead is auto-verified — no manual list cleaning needed.

3

Disposable detection

Filter out throwaway email addresses that will never convert.

What's included

Syntax, MX record, and SMTP verification
Catch-all domain detection
Disposable email filtering
Role-based address detection (info@, support@)
Bulk verification on CSV import
Real-time verification before campaign launch

Set up in 3 steps

Get started in minutes — no engineering required.

1

Add leads

Import leads via CSV, LinkedIn, or inbound capture.

2

Auto-verification

Every email is checked for syntax, MX records, SMTP validity, and risk signals.

3

Bad emails flagged

Invalid and risky emails are flagged — only verified addresses receive your outreach.

Get started now

Who it's built for

1

New campaigns

Verify your entire lead list before launching to avoid bounces

2

CSV imports

Clean imported lists automatically — no third-party verification tool needed

3

Domain protection

Prevent reputation damage from sending to invalid addresses

Common questions

Everything you need to know about Email Verification.

Because a bounce is just verification you paid for with your domain's reputation. Every address is checked — syntax, MX records, SMTP handshake, disposable and role-based filtering — before a single email goes out, so bad addresses cost you nothing.

Related automations

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Inbox Warmup

Gradually build sender reputation through automated warmup emails.

Learn more

Inbox Sync

Sync inbound emails to detect replies, bounces, and new leads in real time.

Learn more

Delivery Monitoring

Track email delivery status, bounces, and spam complaints in real time.

Learn more

Find the accounts ready to buy.Every lead, deeply researched.Only leads that match your ICP.Find the accounts ready to buy.

Drop files to attachImages & docs up to 10MB · CSV/Excel up to 50MB