# 4 SMTP.BZ alternatives in 2026

Last updated: November 11, 2026.

The best alternatives to SMTP.BZ for email verification APIs: Validemail.co, pingutil and looot, by our benchmark.

## 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 [SMTP.BZ plan pages](https://datacircle.dev/validate-email-apis/smtp-bz/top-up), we compare each SMTP.BZ plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first.

- [Proofy, $179 pack, Pay-As-You-Go, 250,000 credits, GET /verify/single](https://datacircle.dev/validate-email-apis/proofy/5-pack-pay-as-you-go-1000-credits-get-verify-single#179-pack-pay-as-you-go-250000-credits-get-verify-single): $0.72 per 1,000 emails
- [Sealch, $86 yearly, Yearly up to 10,000 / mo, POST /api/verify](https://datacircle.dev/validate-email-apis/sealch/free-free-post-api-verify#86-yearly-yearly-up-to-10000-mo-post-api-verify): $0.72 per 1,000 emails
- [WarmySender, $158 pack, 220,000 verification credits, POST /verification/batches](https://datacircle.dev/validate-email-apis/warmysender/free#158-pack-220000-verification-credits-post-verification-batches): $0.72 per 1,000 emails
- [Mailercloud, $4,310 yearly, Email Verifier Plan – 500K (yearly), POST /verifyEmail](https://datacircle.dev/validate-email-apis/mailercloud/5-monthly-email-verifier-plan-1k-post-verifyemail#4310-yearly-email-verifier-plan-500k-yearly-post-verifyemail): $0.72 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

- [Proofy alternatives](https://datacircle.dev/proofy-alternatives)
- [Sealch alternatives](https://datacircle.dev/sealch-alternatives)
- [WarmySender alternatives](https://datacircle.dev/warmysender-alternatives)
- [Mailercloud alternatives](https://datacircle.dev/mailercloud-alternatives)