Email and phone ›Email ›Best email APIs ›Email verification API pricing ›CheckNumber.AI alternatives 60 CheckNumber.AI alternatives in 2026 By Wayne Hamadi , founder of Datacircle. Last updated: November 8, 2026 CheckNumber.AI alternatives for email verification APIs. Easy Email Verification, NullBounce and Sealch each cost $0.50 per 1,000 emails.
Email verification API alternatives On our CheckNumber.AI plan pages , we compare each CheckNumber.AI plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 emails first.
Provider and plan $ per 1,000 emails Easy Email Verification, $1,200 monthly, Monthly subscription, 80,000 emails a day, POST /bulk/upload $0.50 NullBounce, $500 pack $0.50 Sealch, $25 monthly, Monthly up to 50,000 / mo, POST /api/verify $0.50 Verimail, $500 pack $0.50 ExactVerify, contact us, POST /v1/bulk not published Kawaa, contact us, Custom plan, POST /v1/verify/batch not published QuickEmailVerification, contact us, Custom volume, POST /v1/bulk-verify not published
Compare every email verification API plan: Email verification API pricing: free and cheapest plans compared
Phone validation API alternatives On our CheckNumber.AI plan pages , we compare each CheckNumber.AI plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 phones first.
Provider and plan $ per 1,000 phones Foxentry, free trial, POST /phone/validate, Validate phone number (basic) $0.00 HLR Lookups, free, 100 free lookups, POST /nt-lookups $0.00 Trestle, free trial, GET /3.0/phone_intel $0.00 seven.io, free, GET /api/lookup/format $0.00 IsValid, €9 monthly $0.034 ZelNum, $100 pack, Pay as you go, $100 top-up, POST /detect/file, WhatsApp Number Checker (file upload) $0.048 Antideo, $80 monthly, 2000 requests/hour, GET /phone/{phone number} $0.056 Apiverket, kr4,990 yearly $0.056 DomScan, $49 monthly, Scale, POST /v1/phone/validate $0.098 Consulta Operadora, pay as you go, Consultas local - Servidor Dedicado 2.500.000, GET /sistema/consulta_resumida.php $0.098 API Ninjas, $1,188 yearly, Business, GET /v1/phonelookup $0.099 APIFreaks, $500 monthly, Monthly 10,000,000 credits, POST /phone/validation/bulk $0.10 WasenderAPI, $459 yearly $0.128 Pushbuild, top-up $0.16 2Chat, $100 pack, Extra requests package, GET /open/whatsapp/check-number/{your-number}/{number-to-check}, Check Number $0.20 ALAPI, top-up $0.269 TCPA Litigator List, $2,750 pack, 10,000,000 scrub coins, POST /scrub/phone/ $0.275 Veriphone, $699 pack, 2,500,000 credits, GET /v3/verify, /v3/verify $0.28 TPSClear, £795 monthly, Scale, POST /v1/screen $0.353 Sigma SMS, contact us, MNP $0.358 Ihuyi, CNY 4,800 pack $0.359 TanshuAPI, CNY 2,900 pack $0.434 NumLookupAPI, $109.99 monthly, Scale, GET /v1/validate/{number}, Validate Phone Number $0.44 TPSCheck, £1,980 yearly, Business, POST /check $0.44 Numverify by APILayer, $1,325.99 yearly $0.442 ReefAPI, $450 quarterly, Enterprise quarterly, POST /phone-validate/v1/validate $0.50 VeriRoute Intel, top-up from $5, Pay as you go, POST /api/v1/lrn/bulk, Bulk LRN Lookup $0.50 VeriRouteIntel, top-up from $5, Pay per use, POST /api/v1/lrn/bulk $0.50 BigDataCloud, $79.90 monthly, Silver, GET /data/phone-number-validate-by-ip $0.799 Phone-Check.app, $79.99 pack, 100,000 Credits, GET /v1-get-phone-details $0.80 RealValidito, $2,000 pack, 2,500,000 phone lookup credits $0.80 CallerAPI, $12,000 monthly, Enterprise transparency $12,000, GET /api/lookup/{phone} $1.00 apipick, $5 pack, 5,000 credits, POST /api/check-china-phone $1.00 NumRadar, €29 monthly, Growth, POST /validate $1.31 MobileValidate, top-up from $20, Top-up of $20 to $99.99, POST /jobs, Carrier lookup (bulk job) $1.50 ProWebLook, $15 pack $1.50 Telnyx, top-up from $10 $1.50 HLR Lookup, £2,500 pack, 1,000,000 lookups, POST /apiv2/mnp, MNP-only lookup $1.67 Cloudmersive, $499.99 monthly $2.00 DataZapp, $2,000 pack $2.00 PhoneValidator, top-up, Fake Number Check $2.00 Addressfinder, contact us not published BudgetSMS, top-up, Pay per use, GET /hlr/, HLR lookup, cached not published ChinaDataPay, contact us not published ClearoutPhone, contact us, More than 5,000,000 credits or custom, POST /v1/phonenumber/validate, Instant Phone Number Validation not published DNC.com, contact us, Contact sales, GET /v1.4/Data/RealTimeDisconnect not published Data247, $12 pack, Membership, GET /v3.0, Carrier247 (International) not published Decentro, contact us not published Enginy, contact us not published Kleber, contact us not published Maytapi, contact us not published OpenLookup, contact us not published World Text, £11.25 pack, 2,000 credits, GET /hlr/info not published
Compare every phone validation API plan: Phone validation API pricing: free and cheapest plans compared
