# Kitt AI, free: Email validation API > Verify virtually any Google, Microsoft or other B2B email for FREE Kitt AI's email validation API on its FREE Forever plan, $0.00 per 1,000 emails. - This page: https://datacircle.dev/validate-email-apis/kitt-ai/free - Get it: https://trykitt.ai/pricing - Its API docs: https://documenter.getpostman.com/view/479833/2s93m62NHf#549b1569-0ba6-4fdd-bb25-582d0b48ec2c - Sold by: Kitt AI (https://trykitt.ai) - Checked: 2026-10-17 ## Price - $ per 1,000: $0.00 - Billing: free ## Charges - Per: call ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Verify virtually any Google, Microsoft or other B2B email for FREE ## Data - Freshness: live - Keep data: no limit, but no collection, compilation, database or directory compiled from it without Kitt AI's written permission - Use data: contacting prospects only for business services and with their permission or consent, within GDPR, CCPA and CAN-SPAM, commercial endeavors only as Kitt AI endorses or approves them, never to compete with it or clone its service at a similar or lower price (value-added resale welcome), not to harass, abuse or harm a person ## Plan - Pay: $0 - Enough for: no limit ## Rate limit - Concurrent: 1 - Batch: 1 ## Speed - Answer: in the call or by webhook ## The call - You send: email, realtime, callbackURL, customData, treatAliasesAsValid - Method: POST - Path: /job/verify_email ## About the plan - Plan: FREE Forever - Who can get it: individuals and small businesses 18 or over, one free account each ## The 3 fields in the plan's answer valid, SMTP verified, identity verified ## Kitt AI's plans (3) - [Kitt AI, free](https://datacircle.dev/validate-email-apis/kitt-ai/free/llms.txt): $0.00 per 1,000, live - [Kitt AI, top-up, Pay As You Go, first 1M verifications a month](https://datacircle.dev/validate-email-apis/kitt-ai/top-up-pay-as-you-go-first-1m-verifications-a-month/llms.txt): $1.50 per 1,000, live - [Kitt AI, top-up, Pay As You Go, past 1M verifications a month](https://datacircle.dev/validate-email-apis/kitt-ai/top-up-pay-as-you-go-past-1m-verifications-a-month/llms.txt): $0.40 per 1,000, live ## Kitt AI's calls (1) - `POST /job/verify_email`: [Kitt AI, free](https://datacircle.dev/validate-email-apis/kitt-ai/free/llms.txt) ## Similar plans of other providers - [Anymail Finder, free](https://datacircle.dev/validate-email-apis/anymail-finder/free/llms.txt): $0.00 per 1,000, live - [Clearout, free](https://datacircle.dev/validate-email-apis/clearout/free/llms.txt): $0.00 per 1,000, live - [Dropcontact, free](https://datacircle.dev/validate-email-apis/dropcontact/free/llms.txt): $0.00 per 1,000, live - [EmailListVerify, free, 100 free verifications, POST /api/verifyApiFile](https://datacircle.dev/validate-email-apis/emaillistverify/free-100-free-verifications-post-api-verifyapifile/llms.txt): $0.00 per 1,000, live ## Sources From each provider's own pricing page and docs. We read this row from these pages on 2026-10-17. - https://documenter.getpostman.com/view/479833/2s93m62NHf - https://help.trykitt.ai/en/articles/10540760-free-tier-limits - https://help.trykitt.ai/en/articles/10729302-bounce-rate-guarantee - https://help.trykitt.ai/en/articles/11078683-treating-aliases-as-valid - https://help.trykitt.ai/en/articles/11080874-api-docs - https://help.trykitt.ai/en/articles/11141489-fair-use-policies - https://help.trykitt.ai/en/articles/11185667-api-rate-limits - https://help.trykitt.ai/en/articles/11739656-pricing-faqs - https://help.trykitt.ai/en/articles/12580416-scale-pricing-reporting - https://help.trykitt.ai/en/articles/15260863-security-compliance-faqs - https://help.trykitt.ai/en/articles/9114222-email-verification-result-statuses - https://help.trykitt.ai/en/articles/9827627-auto-recharge-settings - https://trykitt.ai/_next/static/chunks/app/pricing/page-71da203e673a5e58.js - https://trykitt.ai/legal/terms - https://trykitt.ai/pricing - https://trykitt.ai/product/impossible-email-finder - https://trykitt.ai/product/impossible-email-verifier