Leadsario review
A free email-finding tool for small-scale CSV enrichment and verification.
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Leadsario helps teams find and verify professional email addresses using a person’s name or a company domain. It also supports bulk enrichment from uploaded CSV files, bulk verification of email lists, and prospecting through a Chrome extension on LinkedIn, company websites and Google Maps. The free plan makes it relevant for small-scale enrichment, while the REST API supports programmatic data transfer for teams with a more technical workflow. It is a focused fit for prospecting and contact-data tasks rather than a general-purpose sales platform.
The free plan includes 50 monthly credits, so it can suit occasional searches or a limited CSV workflow, but that allowance may constrain recurring or larger-volume work. Leadsario references paid plans, but the published product details do not provide their prices or tier differences. Buyers comparing tools on predictable high-volume costs should confirm current plan terms before committing; the available information is not enough to assess how upgrades affect capacity.
Verification is a central part of the offering: Leadsario provides seven-tier email verification with confidence scores, as well as bulk verification for existing email lists. That gives users a way to assess addresses alongside finding them, rather than treating discovery as the only step. The Chrome extension and integrations with HubSpot, Salesforce, Pipedrive, Outreach, Lemlist and Apollo offer ways to carry prospecting results into other workflows, while the REST API covers programmatic transfer. Choose Leadsario for lightweight name/domain searches, browser sourcing or small CSV jobs that benefit from verification. Teams needing a clearly documented paid plan or more than the free monthly allowance should compare alternatives before relying on it at scale.
Leadsario pros and cons
- Where it wins
- Enrich CSV uploads in bulk and export results as CSV
- Seven-tier email verification includes confidence scores
- Chrome extension, REST API and six CRM or outreach integrations
- Where it doesn't
- Free access is limited to 50 monthly credits
- Bulk enrichment depends on preparing and uploading CSV files
- No supplied paid-tier details to compare as needs grow
Leadsario fact sheet, pricing and score →
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