# ZeroBounce vs Clearout for email verification software

ZeroBounce and Clearout are closely matched for core workflows. Both support real-time api, zapier, gdpr compliance, bulk verification, and single email verification. ZeroBounce has confirmed api response time of 1.09 and catch-all scoring. Clearout has confirmed role account detection and syntax checking.

## Key decision points

- ZeroBounce has confirmed api response time of 1.09; api response time is not yet confirmed for Clearout.
- ZeroBounce has confirmed catch-all scoring; catch-all scoring is not yet confirmed for Clearout.
- Clearout has confirmed role account detection; role account detection is not yet confirmed for ZeroBounce.
- Clearout has confirmed syntax checking; syntax checking is not yet confirmed for ZeroBounce.

## Choose ZeroBounce if…

- Choose ZeroBounce if confirmed api response time of 1.09 matters to you; this detail is not yet confirmed for Clearout.
- Choose ZeroBounce if confirmed catch-all scoring matters to you; this detail is not yet confirmed for Clearout.

## Choose Clearout if…

- Choose Clearout if confirmed role account detection matters to you; this detail is not yet confirmed for ZeroBounce.
- Choose Clearout if confirmed syntax checking matters to you; this detail is not yet confirmed for ZeroBounce.

## Features

| Feature | ZeroBounce | Clearout |
| --- | --- | --- |
| Bulk verification | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Single email verification | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Catch-all detection | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/integrations/hubspot/)) |
| Catch-all scoring | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Not confirmed |
| Disposable email detection | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Role account detection | Not confirmed | Yes (verified 5 September 2026; [source](https://docs.clearout.io/platform-features/tools/google-sheets-add-ons)) |
| Spam trap detection | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Syntax checking | Not confirmed | Yes (verified 5 September 2026; [source](https://clearout.io/integrations/hubspot/)) |
| Domain validation | Not confirmed | Yes (verified 5 September 2026; [source](https://clearout.io/integrations/hubspot/)) |
| MX checking | Not confirmed | Yes (verified 5 September 2026; [source](https://docs.clearout.io/platform-features/tools/google-sheets-add-ons)) |
| SMTP verification | Not confirmed | Yes (verified 5 September 2026; [source](https://docs.clearout.io/platform-features/tools/google-sheets-add-ons)) |
| Quality scoring | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Activity scoring | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Not confirmed |
| Email enrichment | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Duplicate removal | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/integration-partners)) | Yes (verified 5 September 2026; [source](https://docs.clearout.io/platform-features/tools/google-sheets-add-ons)) |
| CSV upload | Not confirmed | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Pay-as-you-go | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/pricing/)) |

## Technical

| Feature | ZeroBounce | Clearout |
| --- | --- | --- |
| Real-time API | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |
| Zapier | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/integrations)) | Yes (verified 5 September 2026; [source](https://clearout.io/integrations/)) |
| API response time | 1.09 (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Not confirmed |

## Integrations

| Feature | ZeroBounce | Clearout |
| --- | --- | --- |
| HubSpot integration | Not confirmed | Yes (verified 5 September 2026; [source](https://clearout.io/integrations/)) |
| Mailchimp integration | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/integrations/)) |

## Security and compliance

| Feature | ZeroBounce | Clearout |
| --- | --- | --- |
| GDPR compliance | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Yes (verified 5 September 2026; [source](https://clearout.io/)) |

## Capacity

| Feature | ZeroBounce | Clearout |
| --- | --- | --- |
| Free verification credits | 100 (verified 5 September 2026; [source](https://www.zerobounce.net/pricing)) | 100 (verified 5 September 2026; [source](https://clearout.io/)) |

## Commercial

| Feature | ZeroBounce | Clearout |
| --- | --- | --- |
| Affiliate programme | Yes (verified 5 September 2026; [source](https://www.zerobounce.net/)) | Not confirmed |

## Evidence

- **ZeroBounce — Bulk verification:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Validate in bulk or in real time with our API”
- **Clearout — Bulk verification:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “Verify emails addresses individually, in bulk or through API”
- **ZeroBounce — Real-time API:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Validate in bulk or in real time with our API”
- **Clearout — Real-time API:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “real-time email validation API”
- **ZeroBounce — Single email verification:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Validate single emails, bulk lists, or signups in real time with our powerful tools.”
- **Clearout — Single email verification:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “Verify emails addresses individually, in bulk or through API”
- **ZeroBounce — Catch-all detection:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Accurate CATCH-ALL validation included”
- **Clearout — Catch-all detection:** Yes. Last verified 5 September 2026. Source: https://clearout.io/integrations/hubspot/. Evidence: “Catch-All Domain Detection Not Available Identifies catch-all domains, providing insights on potential risks in deliverability”
- **ZeroBounce — Catch-all scoring:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Score catch-all email addresses”
- **ZeroBounce — Disposable email detection:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Detect invalid, disposable, and inactive addresses”
- **Clearout — Disposable email detection:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “Protect your database from fake, invalid, disposable, & bad email”
- **Clearout — Role account detection:** Yes. Last verified 5 September 2026. Source: https://docs.clearout.io/platform-features/tools/google-sheets-add-ons. Evidence: “Clearout Role Account Status Whether the address is a role account (e.g. support , sales ).”
- **ZeroBounce — Spam trap detection:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Identify spam traps, abuse emails, and catch-alls”
- **Clearout — Spam trap detection:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “including spam traps, bounces, and disposable emails”
- **Clearout — Syntax checking:** Yes. Last verified 5 September 2026. Source: https://clearout.io/integrations/hubspot/. Evidence: “Syntax Check Validates basic email formatting (e.g., presence of "@" and ".")”
- **Clearout — Domain validation:** Yes. Last verified 5 September 2026. Source: https://clearout.io/integrations/hubspot/. Evidence: “Comprehensive syntax checks, including typo correction, and domain existence validation”
- **Clearout — MX checking:** Yes. Last verified 5 September 2026. Source: https://docs.clearout.io/platform-features/tools/google-sheets-add-ons. Evidence: “Clearout MX Record MX record details when available.”
- **Clearout — SMTP verification:** Yes. Last verified 5 September 2026. Source: https://docs.clearout.io/platform-features/tools/google-sheets-add-ons. Evidence: “Clearout SMTP Provider Detected SMTP provider if identifiable.”
- **ZeroBounce — Quality scoring:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “AI-powered scoring ranks each address from 1–10”
- **Clearout — Quality scoring:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “AI based confidence scoring for email discovery”
- **ZeroBounce — Activity scoring:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Activity Data shows which subscribers opened, clicked, or interacted with emails”
- **ZeroBounce — Email enrichment:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Email Finder helps you discover new contacts using a name and company domain”
- **Clearout — Email enrichment:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “enrich data with job titles, phone numbers, and locations”
- **ZeroBounce — Duplicate removal:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/integration-partners. Evidence: “Deduplication – Automatically remove duplicate contacts”
- **Clearout — Duplicate removal:** Yes. Last verified 5 September 2026. Source: https://docs.clearout.io/platform-features/tools/google-sheets-add-ons. Evidence: “Remove duplicates Avoid processing the same email address more than once.”
- **Clearout — CSV upload:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “Upload CSV or Excel Lists”
- **Clearout — HubSpot integration:** Yes. Last verified 5 September 2026. Source: https://clearout.io/integrations/. Evidence: “Clearout HubSpot CRM”
- **ZeroBounce — Mailchimp integration:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Mailchimp Omnivore Testing”
- **Clearout — Mailchimp integration:** Yes. Last verified 5 September 2026. Source: https://clearout.io/integrations/. Evidence: “Clearout Mailchimp”
- **ZeroBounce — Zapier:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/integrations. Evidence: “Integrate through Zapier”
- **Clearout — Zapier:** Yes. Last verified 5 September 2026. Source: https://clearout.io/integrations/. Evidence: “Clearout Zapier”
- **ZeroBounce — API response time:** 1.09. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “1.09-second average response time”
- **ZeroBounce — GDPR compliance:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “GDPR, HIPAA, and CCPA compliant”
- **Clearout — GDPR compliance:** Yes. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “Fully GDPR Compliant”
- **ZeroBounce — Pay-as-you-go:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Flexible pricing: pay-as-you-go or subscription”
- **Clearout — Pay-as-you-go:** Yes. Last verified 5 September 2026. Source: https://clearout.io/pricing/. Evidence: “One Time/Pay-As-You-Go: Make a one-time payment to instantly add credits to your account whenever needed.”
- **ZeroBounce — Free verification credits:** 100. Last verified 5 September 2026. Source: https://www.zerobounce.net/pricing. Evidence: “Get 100 free monthly email verifications when you sign up with a business/premium domain.”
- **Clearout — Free verification credits:** 100. Last verified 5 September 2026. Source: https://clearout.io/. Evidence: “Get 100 Free Credits”
- **ZeroBounce — Affiliate programme:** Yes. Last verified 5 September 2026. Source: https://www.zerobounce.net/. Evidence: “Affiliate Program”