Datacircle

4 SMTP.BZ alternatives in 2026

By , founder of Datacircle. We don't sell any API. No provider has paid us to rank higher on this page. Last updated:

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

Email verification API alternatives

Validemail.co, pingutil and looot are the best email verification API providers in the Datacircle benchmark.

On our SMTP.BZ plan pages, we compare each SMTP.BZ plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first.

Provider and plan$ per 1,000 emails
Proofy, $179 pack, Pay-As-You-Go, 250,000 credits, GET /verify/single$0.72
Sealch, $86 yearly, Yearly up to 10,000 / mo, POST /api/verify$0.72
WarmySender, $158 pack, 220,000 verification credits, POST /verification/batches$0.72
Mailercloud, $4,310 yearly, Email Verifier Plan – 500K (yearly), POST /verifyEmail$0.72

Compare every email verification API plan: Email verification API pricing: free and cheapest plans compared

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