250+ G2 reviews
Real-Time Email Verification & List Cleaning Platform
Improve your email deliverability and protect your sender reputation by removing invalid emails, hard bounces, and spam traps before you hit send.
Improve your email deliverability and protect your sender reputation by removing invalid emails, hard bounces, and spam traps before you hit send.
SOC 2 Type II
Certified
GDPR
Compliant
99%
Deliverability
Guarantee
Trusted by 10,000+ fast-growing companies worldwide
Trusted by 10,000+ fast-growing companies worldwide
Join leading GTM, product, and growth teams who rely on us everyday
Join leading GTM, product, and growth teams who rely on us everyday
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We Guarantee To Be The Markets Most Accurate Verifier
We Guarantee To Be The Markets Most Accurate Verifier
Deliverable.co uses a combination of proprietary technology and artificial intelligence to find, to verify contact details.
Deliverable.co uses a combination of proprietary technology and artificial intelligence to find, to verify contact details.
Syntax & Format Check
We verify that every email follows proper formatting rules and RFC standards before any deeper checks are performed.
Syntax & Format Check
We verify that every email follows proper formatting rules and RFC standards before any deeper checks are performed.
Domain & MX Validation
We confirm that the email domain exists and is configured to receive mail using live DNS and MX record checks.
Domain & MX Validation
We confirm that the email domain exists and is configured to receive mail using live DNS and MX record checks.
Mailbox Existence Check
We safely ping recipient mail servers to determine whether a mailbox actually exists-without sending an email.
Mailbox Existence Check
We safely ping recipient mail servers to determine whether a mailbox actually exists-without sending an email.
Identify Relevant Leads And Find Their Contact Details In Seconds.
Identify Relevant Leads And Find Their Contact Details In Seconds.
Deliverable.co uses a combination of proprietary technology and artificial intelligence to find, verify, and enrich contact details.
Deliverable.co uses a combination of proprietary technology and artificial intelligence to find, verify, and enrich contact details.
CRM 2-Way Sync
Automatically verify new and existing contacts inside your CRM.
CRM 2-Way Sync
Automatically verify new and existing contacts inside your CRM.
Automatically Verify Emails Inside Your CRM
Automatically verify email addresses inside your CRM and email platforms on a daily basis.
Automatically Verify Emails Inside Your CRM
Automatically verify email addresses inside your CRM and email platforms on a daily basis.
Real-Time Email Verification API
Verify emails instantly at signup, forms, or CRMs using our lightning-fast API.
Real-Time Email Verification API
Verify emails instantly at signup, forms, or CRMs using our lightning-fast API.
Verify Emails
We'll tell you if it's actually deliverable , and not a "confidence score".
Verify Emails
We'll tell you if it's actually deliverable , and not a "confidence score".
Protect Sender Reputation
Avoid hard bounces, spam traps, and blacklist risks with advanced detection.
Protect Sender Reputation
Avoid hard bounces, spam traps, and blacklist risks with advanced detection.
Clean Emails In 3
Clean Emails In 3
Simple Steps
Guarantee To Be The
No setup. No learning curve. Just accurate verification.
No setup. No learning curve. Just accurate verification.
01
Upload a list or connect the API
Upload a CSV file or connect your signup forms using our real-time API.
01
Upload a list or connect the API
Upload a CSV file or connect your signup forms using our real-time API.
02
We verify emails in real time
Emails are verified for syntax, domain, and mailbox using live signals.
02
We verify emails in real time
Emails are verified for syntax, domain, and mailbox using live signals.
03
Send with confidence
Use clean, verified emails to protect deliverability and improve inbox placement.
03
Send with confidence
Use clean, verified emails to protect deliverability and improve inbox placement.
Here’s What Our
Here’s What Our
Customers Say
Guarantee To Be The
If you're using Apollo just stop, and get a subscription here. Literally 10,000x times better. Coming from a guy doing lead gen for 35 DFY B2B clients.
Andreas Falsig
CTO @EmploAI
What I like most about A-Leads is the ability to quickly find and connect with high quality leads using A-Leads' powerful features.
Can T.
Founder @ Allbound OS
Having verified contacts across teams removed guesswork from outbound. Everyone works from the same trusted dataset now.
Lance Goldman
CEO @ Opp Agency
A-Leads data is way better than apollo to ay the least. First campaign, absolutely great engagement. Highly recommend
Alexander Treistman
Managing Partner @ Post Oak Group
If you're using Apollo just stop, and get a subscription here. Literally 10,000x times better. Coming from a guy doing lead gen for 35 DFY B2B clients.
Andreas Falsig
CTO @EmploAI
What I like most about A-Leads is the ability to quickly find and connect with high quality leads using A-Leads' powerful features.
Can T.
Founder @ Allbound OS
Having verified contacts across teams removed guesswork from outbound. Everyone works from the same trusted dataset now.
Lance Goldman
CEO @ Opp Agency
A-Leads data is way better than apollo to ay the least. First campaign, absolutely great engagement. Highly recommend
Alexander Treistman
Managing Partner @ Post Oak Group
A-Leads is the best lead source I've ever used. I already got great leads from the 'free leads' I received and they were better than 10,000 Apollo leads… No joke..
Daniel Achog
BDR @ VoiceLine
The accuracy. It's exactly what senior sales teams have been crying out for. If this is where outbound data is heading, A-Leads is clearly leading the charge.
Ray Franklin
Head of Sales Marketplaces @ Leads.io
After testing more than 25 tools and data providers, A-Leads stood out as the top performer especially when it came to data accuracy. Nothing else even came close.
Tufan Erdogan
Team Lead @ Jotform
Everything with A-Leads has been seamless. Quickly understood our ICP and accurately cracked our hardest audience segment without heavy setup
Chris Filly
VP of Marketing @ Callvu
We are super happy with A-Leads, they're fast, reliable, give us extremely good data & overall super responsive. Nothing else even came close.
Vivien Garnès
CEO @ Upfluence
A-Leads is the best lead source I've ever used. I already got great leads from the 'free leads' I received and they were better than 10,000 Apollo leads… No joke..
Daniel Achog
BDR @ VoiceLine
The accuracy. It's exactly what senior sales teams have been crying out for. If this is where outbound data is heading, A-Leads is clearly leading the charge.
Ray Franklin
Head of Sales Marketplaces @ Leads.io
After testing more than 25 tools and data providers, A-Leads stood out as the top performer especially when it came to data accuracy. Nothing else even came close.
Tufan Erdogan
Team Lead @ Jotform
Everything with A-Leads has been seamless. Quickly understood our ICP and accurately cracked our hardest audience segment without heavy setup
Chris Filly
VP of Marketing @ Callvu
We are super happy with A-Leads, they're fast, reliable, give us extremely good data & overall super responsive. Nothing else even came close.
Vivien Garnès
CEO @ Upfluence
Scale, Flex & Innovate
With Confidence
Scale, Flex & Innovate
With Confidence
We power high-growth teams with a reliable, scalable platform designed to minimize operational overhead and maximize ROI—no matter your business size.
We power high-growth teams with a reliable, scalable platform designed to minimize operational overhead and maximize ROI—no matter your business size.
99%
Customer Satisfaction
Trusted by teams worldwide for performance and reliability.
5B+
Daily API Calls
Built to handle massive workloads without slowing down.
100M+
Verified emails per day
Powering global communication at enterprise scale.
7.3B+
Webhooks Triggered
Real-time automation for modern data-driven teams.
Improve Campaign Results With Accurate Email Verification
Verify email addresses in real time to reduce bounces and protect sender reputation.
50 free credits
CCPA I GDPR I HIPPAA
Cancel anytime
Improve Campaign Results With Accurate Email Verification
Verify email addresses in real time to reduce bounces and protect sender reputation.
50 free credits
CCPA I GDPR I HIPPAA
Cancel anytime
Company
Social
Ask AI about Deliverable
© 2026 deliverable.co. All rights reserved.
SOC 2 Type II
Certified
CCPA
Compliant
GDPR
Compliant
HIPPAA
Compliant
Company
Social
Ask AI about Deliverable
© 2026 deliverable.co. All rights reserved.
SOC 2 Type II
Certified
CCPA
Compliant
GDPR
Compliant
HIPPAA
Compliant