Freedom251 › Email Verification APIs
Clearout Email Verification

What Clearout Email Verification is
Clearout Email Verification checks addresses individually, in bulk, or through an API to help reduce bounces and keep email lists clean. It performs more than 20 checks, including mailbox validity, MX lookup, SMTP ping, spam trap detection, disposable address detection, and catch-all detection. Users can verify one address, paste up to 10, or upload a CSV or XLSX list; results include categories such as Valid, Invalid, Catch-All, Disposable, and Role-Based. The service offers Fastest Turnaround, Highest Accuracy, and Deep Verify modes. Its API supports individual and bulk checks, with webhooks to collect results when a workflow takes longer. Form Guard checks email, phone, and name fields in real time, and integrations include HubSpot, Mailchimp, ActiveCampaign, Zapier, Google Sheets, WordPress forms, and WooCommerce. New users receive 100 free credits. Valid, invalid, and catch-all results use one credit each; unknown results and duplicates in the same uploaded list are not charged. A free plan is listed, with paid pricing from $16/mo (annual).
Who it suits
Clearout suits individuals and organizations that need to validate addresses, clean uploaded lists, or check details at form capture. Its API and integrations also support teams incorporating verification into their workflows.
What it does well
- Supports individual, bulk, and API verification
- Checks more than 20 email validation signals
- New users receive 100 free credits
- Unknown results and same-list duplicates are not charged
What to know first
- One credit is used for each valid, invalid, or catch-all result
- Uploaded CSV and XLSX lists are limited to 1 million emails per file
Limits
New users receive 100 free credits. Valid, invalid, and catch-all results cost one credit each; unknown results and duplicates in the same uploaded list are not charged.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Pay-as-you-go | One-time payment; no subscription required · 5,000 credits · 1 credit per email verification · unknown results and duplicates are not charged | On request |
| Monthly subscription | Monthly · 3,000 credits · credits replenish each billing cycle · unused credits roll over and never expire | On request |
| Custom / enterprise | Custom pricing upon request · Custom plans available for teams with volumes beyond standard tiers | On request |
| Annual subscription | Annually · 3,000 credits · unused credits roll over and never expire | On request |
As clearout.io lists them, read 30 Sept 2026. The maker's own page has the final word.
Getting started
- Visit clearout.io.
- Sign up for a free account to receive 100 credits.
- Verify one address, paste up to 10 addresses, or upload a CSV/XLSX list.
- For form capture, use the REST API, JavaScript widget, or WordPress plugin.
- Connect a listed integration if it fits your workflow.
Verdict
Clearout provides several ways to check email addresses, from a single entry to bulk lists and API workflows. Its free plan and 100 signup credits offer a starting point, while paid pricing begins at $16/mo (annual).
Questions
Is Clearout Email Verification free?
A free account is available, and new users receive 100 credits at signup. Paid pricing is listed from $16/mo (annual).
How are verification credits charged?
Valid, invalid, and catch-all results each use one credit. Unknown results and duplicate addresses in the same uploaded list are not charged.
Which platforms does Clearout support?
Its listed platforms are API, extension, and web. Real-time checks are also supported through its REST API, JavaScript widget, and WordPress plugin.
Can it verify bulk lists?
Yes. You can upload CSV or XLSX lists. Paid plans have no daily verification limit, and each uploaded file can contain up to 1 million emails.
Which integrations are listed?
They include HubSpot, Mailchimp, MailerLite, ActiveCampaign, Zapier, Google Sheets, WordPress forms, and WooCommerce.
Who makes Clearout?
Clearout is listed as headquartered in San Francisco, California, United States.
Facts from Clearout Email Verification's own pages
- API
- The email verification API supports instant or bulk verification, and webhooks can capture results that take longer to return. · clearout.io, 30 Sept 2026
- API and webhooks
- The email verification API supports individual or bulk verification, and a webhook can capture results when a workflow takes longer to complete. · clearout.io, 29 Sept 2026
- Bulk limits
- Paid plans have no daily verification limit, and each uploaded CSV or XLSX file can contain up to 1 million emails. · clearout.io, 30 Sept 2026
- Credit billing
- The pricing guide says one credit is charged for a valid, invalid, or catch-all email verification result, while unknown results and duplicates in the same uploaded list are not charged. · clearout.io, 29 Sept 2026
- Credit rules
- Email verification costs 1 credit for valid, invalid, or catch-all results; unknown results and duplicate addresses in the same uploaded list are not charged. · clearout.io, 30 Sept 2026
- Data handling
- Clearout says verified list data is encrypted in transit and at rest, is not shared, and is automatically deleted after 30 days. · clearout.io, 30 Sept 2026
- Form Guard
- Form Guard checks email, phone, and name fields in real time and can flag disposable emails, invalid phone numbers, gibberish, and profanity. · clearout.io, 29 Sept 2026
- Free credits
- New users receive 100 free credits at signup, valid on any service, and the pricing page calls this a free account. · clearout.io, 29 Sept 2026
- Headquarters
- San Francisco, California, United States · clearout.io, 28 Sept 2026
- Input and results
- Users can verify a single address, paste up to 10 addresses, or upload a CSV/XLSX list; results include categories such as Valid, Invalid, Catch-All, Disposable, and Role-Based. · clearout.io, 29 Sept 2026
- Integrations
- The integrations directory lists connections including HubSpot, Apollo, Kit, Mailchimp, ActiveCampaign, Zapier, Make, Google Sheets, and WordPress forms. · clearout.io, 30 Sept 2026
- Paid billing options
- Clearout lists monthly subscriptions, annual subscriptions, and one-time purchases, and says purchased credits do not expire while subscription credits roll over. · clearout.io, 29 Sept 2026
- Purpose
- Clearout checks email addresses to help reduce bounces and maintain clean email lists. · clearout.io, 30 Sept 2026
- Real-time verification
- Clearout supports checking email addresses at form capture through its REST API, JavaScript widget, and WordPress plugin. · clearout.io, 30 Sept 2026
- Security certifications
- Clearout states that it holds ISO 27001:2022, SOC 2 Type II, and ISO 27701:2019 certifications and is GDPR compliant as a data processor and controller. · clearout.io, 30 Sept 2026
- Security practices
- Clearout states that it conducts annual third-party penetration tests, quarterly security and access-control audits, and encrypts data in transit and at rest. · clearout.io, 30 Sept 2026
- Support
- Clearout advertises 24/7 support with experts on its pricing page. · clearout.io, 30 Sept 2026
- Supported users
- Clearout describes its API as serving users from solopreneurs to large enterprises and lists business email verification, lead generation, and list cleaning use cases. · clearout.io, 29 Sept 2026
- Validation checks
- Clearout says it performs more than 20 validation checks, including syntax, catch-all, disposable address, role-based address, MX record, and SMTP checks. · clearout.io, 30 Sept 2026
- Verification checks
- The verifier runs 20+ checks, including mailbox validity, MX lookup, SMTP ping, spam trap detection, disposable address detection, and catch-all detection. · clearout.io, 29 Sept 2026
- Verification methods
- The service supports individual checks, bulk list verification, and email verification through its API. · clearout.io, 30 Sept 2026
- Verification modes
- The product offers Fastest Turnaround, Highest Accuracy, and Deep Verify modes for different speed and verification needs. · clearout.io, 29 Sept 2026
- What it does
- Clearout verifies email addresses individually, in bulk, or through an API to help reduce bounces and protect sender reputation. · clearout.io, 29 Sept 2026
Where Clearout Email Verification stands on Freedom251
- Email Verification APIs#3 of 31
- Email Verification Services#4 of 36
