Pricing & Plans

Compare MailSec API plans for email authentication audits, bulk domain checks, rate limits, monthly call volume, and API access.

Free Trial

7-day trial with full access

$ 0
for 7 days
Start Free Trial
  • 1,000 API calls/month
  • All 13 endpoints included
  • Bulk audit (up to 10 domains)
  • Hard call limit
  • 2 requests/second

Pro

For growing businesses

$ 29
per month
Get Started
  • 50,000 API calls/month
  • All individual endpoints
  • Soft limit with overage ($0.0005/call)
  • 10 requests/second
  • No bulk endpoint

Bulk

For large-scale operations

$ 99
per month
Get Started
  • 250,000 API calls/month
  • All 13 endpoints + bulk audit
  • Soft limit with overage ($0.0003/call)
  • 50 requests/second

Replace your multi-tab audit workflow

Stop juggling dig, whois, and mxtoolbox. One API call returns everything — SPF, DKIM, DMARC, DNSSEC, MX, blacklists, and a deliverability verdict. Free tier included.

Replace your multi-tab audit workflow