Email Verifier API
Email Verifier API: A pay-as-you-go API for detailed validation, risk detection, and bulk email cleaning. Ranked #5 of 36 in Email Verification Services by our editors (8.2/10); pricing: Free plan; best for developers needing detailed API validation.
At a glance
- Editor score8.2 / 10
- PricingFree plan
- Best forDevelopers needing detailed API validation
- Free planYes
- Facts checked21 Sep 2026
Where it wins
- 16-point validation engine with live SMTP mailbox checks
- Detects disposable, role-account, catch-all, and spam-trap addresses
- REST API integrations for PHP, Python, Node.js, Go, Ruby, and C#
Where it doesn't
- Credit purchases require estimating verification volume upfront
- Unknown and transient results may need additional follow-up
- Its developer-focused workflow may not suit teams seeking a simple standalone tool
Our verdict on Email Verifier API
Email Verifier API is a developer-focused email verification service for real-time deliverability checks and bulk list cleaning. It fits signup forms, checkout flows, lead capture, CRM hygiene, and other workflows where an application needs to validate addresses before storing or contacting them. The web and API service checks syntax, DNS, MX records, and mailbox availability, then can return passed, failed, unknown, or transient statuses. CSV uploads support bulk verification alongside API-based processing.
The pricing model is pay-as-you-go rather than monthly, with credits purchased once and never expiring. The Free plan includes 100 credits. Paid options begin with 1,000 credits for $7.95, followed by 5,000 credits for $39.95, 10,000 for $49.95, 25,000 for $124.95, 50,000 for $249.95, 100,000 for $399.95, and 250,000 for $749.95. The 16-point engine is the standout capability: checks can cover disposable, role-account, catch-all, spam-trap, complainer, gibberish, and infrastructure indicators, with typo suggestions for misspelled domains. API responses can also include credit balance tracking.
Integration depth is a strong fit for engineering-led teams. JSON and XML responses, webhooks for synchronous verification workflows, and language integrations for PHP, Python, Node.js, Go, Ruby, and C# support custom applications and real-time forms. Bulk CSV verification extends the service beyond individual API requests. Teams should choose Email Verifier API when detailed validation logic and flexible implementation matter, especially when one-time credit purchases are preferable to a subscription. It is less suitable for users who want a simple, nontechnical list-cleaning interface as their primary workflow or who prefer predictable monthly billing.
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Email Verifier API pricing
All 12 Email Verifier API plans and prices →
Email Verifier API fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Bulk list upload | Yes |
| API access | Yes |
| Real-time form checks | Yes |
| Disposable detection | Yes |
| Credit rollover | Yes |
| Monthly verification credits | Not verified |
| Money-back guarantee | 3 days |
| Deployment | Cloud, Browser extension |
| Platforms | Web |
| Compliance & security | GDPR, SOC 2, ISO 27001 |
| Support | Email, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 20 integrations: Salesforce, C#/.NET, Classic ASP, Clojure, ColdFusion, Crystal … See all → |
| Pricing | Free plan (source) |
| Website | emailverifierapi.com |
| Facts checked | 21 Sep 2026 |
Email Verifier API integrations
Email Verifier API lists 20 integrations on its own site.
- Salesforce
- C#/.NET
- Classic ASP
- Clojure
- ColdFusion
- Crystal
- cURL/Bash
- Dart
- Delphi
- Elixir
- F#
- Flutter
- Go
- Java
- Julia
- Kotlin
- Lua
- Node.js
- Objective-C
- OpenResty
See all Email Verifier API integrations →
Alternatives to Email Verifier API
- ZeroBounceA broad verification suite covering list cleaning, APIs, monitoring, and deliverability tools.8.9
- QuickEmailVerificationA flexible verifier with free credits, broad file support, API access, and pay-as-you-go pricing.8.7
- BouncerA flexible email verification service with non-expiring credits, APIs, and broad integrations.8.5
See all Email Verifier API alternatives →
Email Verifier API vs the competition
- Email Verifier API vs ZeroBounce
- Email Verifier API vs QuickEmailVerification
- Email Verifier API vs Bouncer
- Email Verifier API vs MillionVerifier
- Email Verifier API vs Bulk Email Checker
- Email Verifier API vs Emailable
Compare Email Verifier API with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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