100% Free Email Verifier by Craften vs NationGraph

This free email checker by Craften makes email validation quick and straightforward. It helps you check if an email address is valid, active, and safe to send to. It is built for marketers, e-commerce, founders, and anyone working with email lists who wants to reduce bounce rates and protect sender reputation.

You can run instant email validation without signing up or paying. It is useful when cleaning a list before a campaign or quickly checking a single email.

NationGraph makes the public sector legible and accessible to businesses. We index over 110,000 government institutions and 4 million government webpages to surface predictive buying intelligence for sales teams selling to state, local, and education (SLED) government.

Signals: Predictive intelligence on government purchasing decisions. Cross-references council meetings, budgets, purchase orders, contracts, capital improvement plans, and active RFPs to surface real buying triggers — not just keyword mentions.

Contacts: AI-powered search that matches government decision-makers by role, with verified emails and direct phone numbers. Reach the right buyer on the first call.

Public Record Automations: Unlocks hard-to-access government documents at scale. Handles FOIA requests, extraction, and structured delivery into existing sales tools.

Automations: Turn signals and public-sector data into repeatable workflows — ranked institution lists, competitor contract research via FOIA, and CRM syncs to Salesforce and HubSpot.

Results: 60x faster account research, 230% average increase in pipeline coverage, 3-5x higher win rate on RFPs.

Founded in 2024. $22.5M raised, Series A led by Menlo Ventures with participation from Perplexity's Fund.