# 10 Autentify alternatives in 2026 Last updated: November 12, 2026. The best alternatives to Autentify for email verification APIs: Validemail.co, pingutil and looot, by our benchmark. Autentify's website is autentify.com.br. ## Email verification API alternatives [Validemail.co](https://datacircle.dev/validate-email-apis/validemail-co/free-get-api-v1-validate#9-90-monthly-9-90-month-get-api-v1-validate), [pingutil](https://datacircle.dev/validate-email-apis/pingutil/free-api-key-post-v1-verify) and [looot](https://datacircle.dev/validate-email-apis/looot/top-up) are the best [email verification API providers](https://datacircle.dev/best-email-verification-api) in the Datacircle benchmark. On our [Autentify plan pages](https://datacircle.dev/validate-email-apis/autentify/free-conta-pessoal-post-v1-verify-batches), we compare each Autentify plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first. - [WhoisXML API, $294 monthly, Monthly subscription 100,000 Queries, GET /api/v3](https://datacircle.dev/validate-email-apis/whoisxml-api/free-free-get-api-v3#294-monthly-monthly-subscription-100000-queries-get-api-v3): $2.94 per 1,000 emails - [Enrow, $353 pack, Pro, POST /email/verify/single](https://datacircle.dev/validate-email-apis/enrow/125-pack#353-pack): $2.94 per 1,000 emails - [Bulk Email Checker, $2.95 pack](https://datacircle.dev/validate-email-apis/bulk-email-checker/2-95-pack): $2.95 per 1,000 emails - [RelentlessIdentity, $5,988 yearly, $5,988 Annual, POST /client/jobs/probe-batch](https://datacircle.dev/validate-email-apis/relentlessidentity/free-post-client-jobs-probe-batch#5988-yearly-5988-annual-post-client-jobs-probe-batch): $2.95 per 1,000 emails - [Sparkle, $59 monthly, Business, POST /email-verifier/single/clever](https://datacircle.dev/validate-email-apis/sparkle/free-post-email-verifier-single-clever#59-monthly-business-post-email-verifier-single-clever): $3.15 per 1,000 emails - [Airscale, $1,890 yearly](https://datacircle.dev/validate-email-apis/airscale/free#1890-yearly): $3.15 per 1,000 emails - [KaijuVerifier, $79 pack, 25,000 Credits, POST /api/v1/jobs, Submit an async bulk job with the SMTP probe](https://datacircle.dev/validate-email-apis/kaijuverifier/free-free-post-api-v1-jobs#79-pack-25000-credits-post-api-v1-jobs): $3.16 per 1,000 emails - [Abstract API, $1,199 yearly](https://datacircle.dev/validate-email-apis/abstract-api/free#1199-yearly): $3.33 per 1,000 emails - [APIFreaks, $200 pack, One-Off 1,500,000 credits, POST /email-validation/single](https://datacircle.dev/validate-email-apis/apifreaks/free-one-off-10000-credits-post-email-validation-single#200-pack-one-off-1500000-credits-post-email-validation-single): $3.33 per 1,000 emails - [SafetyMails, $320 yearly](https://datacircle.dev/validate-email-apis/safetymails/free#320-yearly): $3.33 per 1,000 emails Compare every email verification API plan: [Email verification API pricing: free and cheapest plans compared](https://datacircle.dev/email-verification-api-pricing) ## See also - [WhoisXML API alternatives](https://datacircle.dev/whoisxml-api-alternatives) - [Enrow alternatives](https://datacircle.dev/enrow-alternatives) - [Bulk Email Checker alternatives](https://datacircle.dev/bulk-email-checker-alternatives) - [RelentlessIdentity alternatives](https://datacircle.dev/relentlessidentity-alternatives) - [Sparkle alternatives](https://datacircle.dev/sparkle-alternatives) - [Airscale alternatives](https://datacircle.dev/airscale-alternatives) - [KaijuVerifier alternatives](https://datacircle.dev/kaijuverifier-alternatives) - [Abstract API alternatives](https://datacircle.dev/abstract-api-alternatives) - [APIFreaks alternatives](https://datacircle.dev/apifreaks-alternatives) - [SafetyMails alternatives](https://datacircle.dev/safetymails-alternatives)