AI-powered - All-in-one email verification platform for businesses that need accuracy and scale. Verify individual emails, process bulk lists, use flexible API access, and automate list hygiene with ease.
No signup required
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4.2/5 Excellent
Example result
GoogleExample result
GoogleWorks with your favourite tools
Why teams choose Prime Verifier
Boost Deliverability
Higher inbox placement
Eliminate Bounces
Protect sender score
Block Disposables
50,000+ domains detected
GDPR Compliant
Data never stored
Fast Verification
Low-latency processing
Real Catch-All Checks
Probed, not guessed
Pay Per Result
Unknown emails are free
AI Risk Scoring
0–100 confidence grade
From individual lookups to million-row bulk cleaning — one platform, complete confidence. Every feature built around the results you care about.
Confirm that an email address can actually receive messages — not just that it looks valid. Catch bad addresses before they damage your campaigns.
Block throwaway and temporary email addresses from entering your list. Updated daily from 50,000+ known disposable domain sources.
Every email receives an AI-generated risk score based on domain reputation, mailbox patterns, and historical signals. Make smarter send decisions.
Upload your CSV or TXT file — from a few hundred to millions of emails. Download a clean, verified list with quality grades and risk scores.
Connect with Mailchimp, HubSpot, Klaviyo, Salesforce, and more. Use our REST API or Zapier to fit verification into any workflow.
SOC 2-ready infrastructure, IP allowlisting per API key, GDPR compliance, and full audit logs. Built for teams that take data seriously.
No complex setup. No infrastructure to manage. Just accurate results — for any team, any scale.
Paste a single address, upload a CSV list, or connect via our developer API. Works for one email or ten million — your choice.
Every address goes through multi-layer validation — syntax, domain health, mailbox existence, catch-all detection, and AI risk analysis.
Get your verified list instantly with quality grades (Good · Risky · Bad), AI risk scores, and actionable flags. Ready to send with confidence.
A clean REST API with predictable JSON, idempotent retries, webhooks, and streaming bulk — built to drop into your signup flow, CRM sync, or data pipeline. No mail-server plumbing, no IP reputation to babysit. That's our job.
REST API
One endpoint, JSON in/out. Verify a single address in well under a second.
Idempotency keys
Safely retry any request — the same key replays the exact result, never double-charged.
Webhooks
Get a callback the moment a bulk job finishes or a balance runs low.
Bulk, async
Push lists from a few hundred to millions — processed in the background at scale.
Streaming (SSE)
Stream results live as each address resolves, or pull a partial CSV anytime.
Free unknowns
You're only charged for a verdict — unknown and error results cost nothing.
Full guides, quickstarts & the live API reference at primeverifier.com/docs
curl -H "X-API-KEY: your_key" \
"https://api.primeverifier.com/v1/verify/[email protected]"Response
{
"status": "success",
"data": {
"email": "[email protected]",
"result": "ok",
"resultCode": 1,
"subResult": "ok",
"quality": "good",
"free": false,
"role": false,
"disposable": false,
"catchAll": false,
"didYouMean": null,
"provider": "google",
"antiSpam": false,
"riskScore": 5,
"creditsCharged": 1,
"creditsRemaining": 4999,
"executionMs": 218
}
}Numbers that matter — accuracy, speed, and coverage you can rely on.
Industry-leading precision across all verification checks
High-performance verification engine built for speed and reliability at scale
Processed reliably at scale without rate-limit issues
Continuously updated blocklist across all known throwaway domains
We integrate with the tools your team already uses — from email marketing platforms to CRMs and automation workflows. Verify and sync clean lists without leaving your stack.
One simple credit. Buy once, or save with a monthly plan — no hidden fees, no monthly minimums.
From $0.00045 per credit at volume
Practical guides on email deliverability, list hygiene, and sending best practices — written by the team that lives this every day.
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Verify any email, clean your list, and protect your sender reputation. Free to start, no credit card, no commitment.