# 27 Unspam alternatives in 2026 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](https://datacircle.dev/validate-email-apis/unspam/5-monthly-custom-plan-first-1000-verifications-a-month-post-email-verification-instant-checks), we compare each Unspam plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first. - [Captain Verify, €450 monthly, 500,000 Email Verifications, subscription, POST /file/email](https://datacircle.dev/validate-email-apis/captain-verify/free-100-free-email-credits-post-file-email#450-monthly-500000-email-verifications-subscription-post-file-email): $1.01 per 1,000 emails - [Outsend, top-up](https://datacircle.dev/validate-email-apis/outsend/free#top-up): $1.01 per 1,000 emails - [No2Bounce, $254 monthly](https://datacircle.dev/validate-email-apis/no2bounce/free#254-monthly): $1.02 per 1,000 emails - [SafetyMails, $8,000 yearly](https://datacircle.dev/validate-email-apis/safetymails/free#8000-yearly): $1.03 per 1,000 emails - [EmailVerify.io, $432 yearly, 30,000 Credits, Billed Annually, POST /validate-batch](https://datacircle.dev/validate-email-apis/emailverify-io/free-free-post-validate-batch#432-yearly-30000-credits-billed-annually-post-validate-batch): $1.20 per 1,000 emails - [Mailnjoy, $120 pack, 100,000 credits, POST /v2/unitary, Unitary validation (simple)](https://datacircle.dev/validate-email-apis/mailnjoy/free-200-free-credits-post-v2-unitary-unitary-validation-simple#120-pack-100000-credits-post-v2-unitary-unitary-validation-simple): $1.20 per 1,000 emails - [NullBounce, $30 pack](https://datacircle.dev/validate-email-apis/nullbounce/free#30-pack): $1.20 per 1,000 emails - [verifications.email, $12 pack, 10,000 credits, POST /api/v1/verify/batch](https://datacircle.dev/validate-email-apis/verifications-email/12-pack-10000-credits-post-api-v1-verify-batch): $1.20 per 1,000 emails - [StopBouncing, €18 pack](https://datacircle.dev/validate-email-apis/stopbouncing/free#18-pack): $2.03 per 1,000 emails - [Piloterr, $2,688 yearly](https://datacircle.dev/validate-email-apis/piloterr/free#2688-yearly): $2.04 per 1,000 emails - [Bouncer, $600 monthly, Monthly Subscription, 250,000 credits, POST /v1.1/email/verify/batch](https://datacircle.dev/validate-email-apis/bouncer/free-100-free-credits-post-v1-1-email-verify-batch#600-monthly-monthly-subscription-250000-credits-post-v1-1-email-verify-batch): $2.40 per 1,000 emails - [ExactVerify, $12 monthly, Monthly Plan from 5,000 emails, GET /v1/single](https://datacircle.dev/validate-email-apis/exactverify/free-get-v1-single#12-monthly-monthly-plan-from-5000-emails-get-v1-single): $2.40 per 1,000 emails - [Qualisend, $600 pack, Pay as you go, 250,000 credits, POST /verify/bulk](https://datacircle.dev/validate-email-apis/qualisend/free-post-verify-bulk#600-pack-pay-as-you-go-250000-credits-post-verify-bulk): $2.40 per 1,000 emails - [Verimail, $12 pack](https://datacircle.dev/validate-email-apis/verimail/free#12-pack): $2.40 per 1,000 emails - [BounceBan, $34 monthly, 10,000 Credits, Monthly subscription (15% off), POST /v1/verify/bulk](https://datacircle.dev/validate-email-apis/bounceban/top-up-from-40-10000-credits-pay-as-you-go-post-v1-verify-bulk#34-monthly-10000-credits-monthly-subscription-15-off-post-v1-verify-bulk): $3.40 per 1,000 emails - [EmailAddress.ai, $170 monthly, Growth, POST /v1/verify](https://datacircle.dev/validate-email-apis/emailaddress-ai/115-pack-basic-post-v1-verify#170-monthly-growth-post-v1-verify): $3.40 per 1,000 emails - [EmailListVerify, top-up from $17, 5,000 credits, POST /api/verifyApiFile](https://datacircle.dev/validate-email-apis/emaillistverify/free-100-free-verifications-post-api-verifyapifile#top-up-from-17-5000-credits-post-api-verifyapifile): $3.40 per 1,000 emails - [Emailchaser, $47 monthly](https://datacircle.dev/validate-email-apis/emailchaser/47-monthly): $3.40 per 1,000 emails - [Easy Email Verification, $200 pack, Pay-as-you-go, 50,000 emails, POST /bulk/upload](https://datacircle.dev/validate-email-apis/easy-email-verification/free-tier-post-bulk-upload#200-pack-pay-as-you-go-50000-emails-post-bulk-upload): $4.00 per 1,000 emails - [QuickEmailVerification, $200 pack, Persistent Credits, 50,000 credits, GET /v1/verify](https://datacircle.dev/validate-email-apis/quickemailverification/free#200-pack): $4.00 per 1,000 emails - [Heybounce, $27 monthly, Monthly 5,000 credits, POST /validate_batch](https://datacircle.dev/validate-email-apis/heybounce/free-100-credits-post-validate-batch#27-monthly-monthly-5000-credits-post-validate-batch): $5.40 per 1,000 emails - [WhoisXML API, $54 monthly, Monthly subscription 10,000 Queries, GET /api/v3](https://datacircle.dev/validate-email-apis/whoisxml-api/free-free-get-api-v3#54-monthly-monthly-subscription-10000-queries-get-api-v3): $5.40 per 1,000 emails - [Mails.so, €48 monthly, Pro, GET /validate](https://datacircle.dev/validate-email-apis/mails-so/free#48-monthly-pro-get-validate): $5.40 per 1,000 emails - [MobileValidate, top-up from $2,000, Top-up of $2,000 to $10,000, POST /lookup](https://datacircle.dev/validate-email-apis/mobilevalidate/top-up-from-20-top-up-of-20-to-99-99-post-lookup#top-up-from-2000-top-up-of-2000-to-10000-post-lookup): $5.45 per 1,000 emails - [Anymail Finder, $384 yearly](https://datacircle.dev/validate-email-apis/anymail-finder/free#384-yearly): $6.40 per 1,000 emails - [Gamalogic, $16 pack, Pay As You Go, 2,500 Credits, POST /batchemailvrf](https://datacircle.dev/validate-email-apis/gamalogic/free-500-free-credits-on-signup-post-batchemailvrf#16-pack-pay-as-you-go-2500-credits-post-batchemailvrf): $6.40 per 1,000 emails - [Oppora, $96 quarterly, Pro, POST /email/verify, Verify email (advanced mode)](https://datacircle.dev/validate-email-apis/oppora/7-monthly-mini-pack-data-credits-post-email-verify-verify-email-advanced-mode#96-quarterly-pro-post-email-verify-verify-email-advanced-mode): $6.40 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 - [Captain Verify alternatives](https://datacircle.dev/captain-verify-alternatives) - [Outsend alternatives](https://datacircle.dev/outsend-alternatives) - [No2Bounce alternatives](https://datacircle.dev/no2bounce-alternatives) - [SafetyMails alternatives](https://datacircle.dev/safetymails-alternatives) - [EmailVerify.io alternatives](https://datacircle.dev/emailverify-io-alternatives) - [Mailnjoy alternatives](https://datacircle.dev/mailnjoy-alternatives) - [NullBounce alternatives](https://datacircle.dev/nullbounce-alternatives) - [verifications.email alternatives](https://datacircle.dev/verifications-email-alternatives)