New Playbook: Cold Email Infrastructure Setup Guide
Read Now arrow_forwardMost free email finders cap you at 10-50 searches with 80% accuracy. Mailsfinder gives you free credits with the same 99% SMTP-verified accuracy our paying customers get. No credit card required.
Trusted by 5,000+ Modern Revenue Teams
Free shouldn't mean inaccurate. Our free tier uses the same multi-step SMTP verification as our enterprise plans.
Find any professional's email for free. Enter name + domain, get a verified result. Same 99% accuracy as paid plans — no downgrade.
Try Free Search arrow_forwardUpload a small CSV to test our bulk finder with free credits. See the speed and accuracy before committing to a paid plan.
Try Bulk Finder FreeTest our API endpoints with free credits. See 200ms response times and JSON output before integrating into your stack.
View API Docs arrow_forwardSame engine. Same accuracy. Same speed. The only difference between free and paid is volume.
Provide a name and company domain — single or bulk CSV upload.
We query premium data providers and public records in real-time.
Multi-step SMTP handshake, MX record check, and pattern analysis.
Verified result with accuracy score, ready for your CRM or outreach tool.
We don't believe in crippled free tiers. Your free credits use the same real-time SMTP verification that powers Fortune 500 outreach teams. Test at real scale before you buy.
Sign Up for Free
Create your account with just an email address. No credit card required.
Use Your Free Credits
Test single search, bulk CSV upload, or API endpoints with your free credits.
See the Results, Then Decide
Experience 99% accuracy firsthand. Upgrade only when you're ready for more volume.
Every tier uses the same real-time SMTP verification engine. The only difference is how many credits you get.
A simple, powerful API that turns a name and domain into a verified lead. Programmatic outreach at its most efficient.
JSON responses for easy parsing. 200ms latency.
Pre-built blocks for low-code automation.
Connect 5,000+ apps in seconds.
Compliance-first data sourcing.
curl --request POST \
--url https://api.mailsfinder.com/v1/find \
--header 'Authorization: Bearer YOUR_KEY' \
--data '{
"full_name": "Sarah Johnson",
"domain": "salesforce.com"
}'
Find client prospects without upfront costs. Upgrade only when you see results.
Validate your outbound strategy with free credits before investing in a plan.
Find professional contacts for academic research or job searching.
Test Mailsfinder's accuracy with your real prospect list — free.
99% accuracy. No credit card. No commitment. Start finding verified professional emails right now.