20 AddressZen alternatives in 2026
AddressZen alternatives for email verification and phone validation APIs, ranked by our benchmark of November 10, 2026. AddressZen's website is addresszen.com.
Email verification API alternatives
AddressZen is #160 of the 249 providers we rank.
Every provider of this API, ranked: Email validation API: best providers in 2026
| Rank | Provider and plan | Overall score | Accuracy score | Median answer time | $ per 1,000 emails |
|---|---|---|---|---|---|
| 1 | Validemail.co, €9.90 monthly · validemail.co | 82.4 | 80 | 0.68 s | $0.00043 per 1,000 emails when you call at the rate limit all month. Validemail.co adds no charge per call to the €9.90 monthly price. |
| 2 | pingutil, free API key · pingutil.com | 82.3 | 77 | 1.6 s | $0.00 |
| 3 | looot, top-up · looot.ai | 80.5 | 80 | 2.9 s | Unknown |
| 4 | MailTester Ninja, $23.99 monthly · mailtester.ninja | 75.9 | 74 | 1.1 s | $0.008 |
| 5 | MillionVerifier, $449 pack, 1,000,000 verification credits · millionverifier.com | 74.6 | 80 | 1.5 s | $0.45 |
| 6 | email-validation.org, $450 pack, 1,000,000 credits · email-validation.org | 74.5 | 85 | Not timed | $0.45 |
| 158 | Unisender Go, ₽800 (about $10) monthly, By card, 6,000 emails a month, first 100 validations a month · go.unisender.ru | 41.1 | 27 | 2.4 s | $0.00 |
| 159 | Bulk Email Verifier, $400 pack, ≥ 500,000 requests · bulk-email-verifier.biz | 39.9 | 42 | 20 s | $0.80 |
| 161 | EmailAwesome, $500 monthly · emailawesome.com | 39.5 | 43 | 17 s | $2.00 |
| 162 | ProWebLook, $279.20 monthly · proweblook.com | 39.1 | 45 | 5.6 s | $0.28 |
Unknown: the provider's pages give the plan's price. They don't say how many emails come with the plan.
Phone validation API alternatives
Trestle, Signal House and Data247 are the best phone validation API providers in the Datacircle benchmark.
On our AddressZen plan pages, we compare each AddressZen plan with other providers' plans. We list other providers' plans below, cheapest per 1,000 phones first.
Compare every phone validation API plan: Phone validation API pricing: free and cheapest plans compared
- Validemail.co alternatives
- pingutil alternatives
- looot alternatives
- MailTester Ninja alternatives
- MillionVerifier alternatives
- email-validation.org alternatives
- Unisender Go alternatives
- Bulk Email Verifier alternatives
- EmailAwesome alternatives
- ProWebLook alternatives
- Openapi.com alternatives
- HLR Lookup alternatives
- SMSC.ru alternatives
- SMSC.kz alternatives
- TrustLookup alternatives
- Postcoder alternatives
- Databar alternatives
- SMSPilot alternatives
- Wapi alternatives
- Osint alternatives
- This page as plain text
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