Email and phone ›Email ›Best email APIs ›Email verification API pricing ›Unspam alternatives 27 Unspam alternatives in 2026 By Wayne Hamadi , founder of Datacircle. Last updated: November 8, 2026 Unspam alternatives for email verification APIs. Captain Verify and Outsend each cost $1.01 per 1,000 emails. No2Bounce costs $1.02 per 1,000 emails. Unspam's website is unspam.email.
Email verification API alternatives On our Unspam plan pages , we compare each Unspam plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first.
Provider and plan $ per 1,000 emails Captain Verify, €450 monthly, 500,000 Email Verifications, subscription, POST /file/email $1.01 Outsend, top-up $1.01 No2Bounce, $254 monthly $1.02 SafetyMails, $8,000 yearly $1.03 EmailVerify.io, $432 yearly, 30,000 Credits, Billed Annually, POST /validate-batch $1.20 Mailnjoy, $120 pack, 100,000 credits, POST /v2/unitary, Unitary validation (simple) $1.20 NullBounce, $30 pack $1.20 verifications.email, $12 pack, 10,000 credits, POST /api/v1/verify/batch $1.20 StopBouncing, €18 pack $2.03 Piloterr, $2,688 yearly $2.04 Bouncer, $600 monthly, Monthly Subscription, 250,000 credits, POST /v1.1/email/verify/batch $2.40 ExactVerify, $12 monthly, Monthly Plan from 5,000 emails, GET /v1/single $2.40 Qualisend, $600 pack, Pay as you go, 250,000 credits, POST /verify/bulk $2.40 Verimail, $12 pack $2.40 BounceBan, $34 monthly, 10,000 Credits, Monthly subscription (15% off), POST /v1/verify/bulk $3.40 EmailAddress.ai, $170 monthly, Growth, POST /v1/verify $3.40 EmailListVerify, top-up from $17, 5,000 credits, POST /api/verifyApiFile $3.40 Emailchaser, $47 monthly $3.40 Easy Email Verification, $200 pack, Pay-as-you-go, 50,000 emails, POST /bulk/upload $4.00 QuickEmailVerification, $200 pack, Persistent Credits, 50,000 credits, GET /v1/verify $4.00 Heybounce, $27 monthly, Monthly 5,000 credits, POST /validate_batch $5.40 WhoisXML API, $54 monthly, Monthly subscription 10,000 Queries, GET /api/v3 $5.40 Mails.so, €48 monthly, Pro, GET /validate $5.40 MobileValidate, top-up from $2,000, Top-up of $2,000 to $10,000, POST /lookup $5.45 Anymail Finder, $384 yearly $6.40 Gamalogic, $16 pack, Pay As You Go, 2,500 Credits, POST /batchemailvrf $6.40 Oppora, $96 quarterly, Pro, POST /email/verify, Verify email (advanced mode) $6.40
Compare every email verification API plan: Email verification API pricing: free and cheapest plans compared
