Verifalia is an email verification and validation service that checks email addresses for validity, catch-all status, spam traps, and deliverability risks. It classifies each address as deliverable, risky, undeliverable, or unknown using a multi-layer verification process that includes syntax checks, domain validation, MX record verification, and SMTP mailbox probing. With over 100,000 customers and 20 years of operation since 2005, Verifalia has established itself as a mature player in the email verification space. This review covers Verifalia’s features, pricing, accuracy, API capabilities, integrations, and how it compares to alternatives like ZeroBounce and NeverBounce, so you can decide if it fits your email outreach workflow.
What Is Verifalia?
Verifalia is an email address validation and list cleaning service that helps businesses reduce bounce rates, protect sender reputation, and improve email deliverability. The platform uses AI-powered verification to check email addresses across multiple dimensions before they enter your sending pipeline.
The service classifies every email into one of four statuses. Deliverable means the address is valid and reachable. Risky indicates the address may be valid but has risk factors such as catch-all domains, role-based accounts, or temporary issues. Undeliverable means the address is invalid, non-existent, or has a hard failure. Unknown means the system could not determine deliverability due to temporary server issues or unresponsive mail exchangers.
Verifalia assigns over 40 distinct status codes with detailed explanations for each classification. This granularity helps you decide what to do with each address rather than relying on a simple pass-fail result. For example, an address flagged as risky due to a catch-all domain might still be worth sending to if your campaign tolerates some uncertainty, while an address flagged as undeliverable due to a hard bounce should be removed immediately.
The platform is operated by Cobisi Research, based in Vigonza, Italy, within the European Union. This EU-based operation has implications for data privacy and GDPR compliance, which we will cover in detail later.
How Email Verification Works: The Technology Behind Verifalia
Understanding how Verifalia verifies emails helps you interpret its results and set realistic expectations for accuracy. The verification process follows a multi-step pipeline that progressively narrows down whether an address is deliverable.
Step 1: Syntax Validation
The first check examines the email address format. Verifalia checks for proper structure (local part, @ symbol, domain), valid character usage, correct length limits, and absence of formatting errors like extra spaces or invalid characters. This catches obvious typos and malformed addresses immediately.
Step 2: Domain and MX Record Validation
Next, Verifalia checks whether the domain exists and has valid MX (Mail Exchange) records. If the domain does not exist or has no mail servers configured to receive email, the address is marked as undeliverable. This step also checks for disposable email domains (like mailinator.com or guerrillamail.com) and flags them appropriately.
Step 3: SMTP Mailbox Probing
The most technically intensive step involves connecting to the recipient’s mail server via SMTP and simulating a message delivery without actually sending one. Verifalia sends a HELO/EHLO handshake, identifies itself, and issues a RCPT TO command. The mail server’s response determines whether the mailbox exists.
This is where verification quality levels matter. Verifalia offers three quality levels that control how aggressively the system probes the mail server.
Standard quality performs one pass with a 5-second anti-tarpit timeout. This is fast and uses one credit per email. High quality performs three passes with a 50-second anti-tarpit timeout, using two credits per email. Extreme quality performs nine passes with a 2-minute anti-tarpit timeout, using four credits per email.
Anti-tarpit timeout refers to the delay Verifalia introduces to avoid triggering tarpit traps on mail servers. Tarpits are intentional delays that mail servers use to slow down automated verification systems. Longer timeouts mean more reliable results but slower processing.
Step 4: Spam Trap and Catch-All Detection
Verifalia cross-references addresses against known spam trap databases and uses heuristics to identify potential trap addresses. It also detects catch-all servers, which accept all email for a domain regardless of whether the specific mailbox exists. Catch-all domains are flagged as risky because you cannot confirm individual mailbox validity through SMTP probing alone.
Step 5: Classification and Status Code Assignment
After all checks complete, Verifalia assigns one of over 40 status codes and classifies the address into deliverable, risky, undeliverable, or unknown. Each status code includes a human-readable explanation so you understand exactly why an address received its classification.
Verifalia Key Features: A Detailed Breakdown
Verifalia packs a substantial feature set that covers both basic email verification and advanced use cases for developers and enterprises.
Bulk Email Verification
The bulk verification feature lets you upload email lists in plain text, CSV, or Excel format. You can paste addresses directly or upload files up to 100MB, which accommodates approximately 72 million email addresses per file. The system processes your list and returns a downloadable results file with each address classified and annotated with its status code.
You can configure classification overrides to automatically handle certain results. For example, you can set rules to automatically remove undeliverable addresses, flag risky addresses for review, or keep only deliverable addresses in your final export. These overrides save time when processing large lists repeatedly.
Real-Time Single Email Verification
The single email verifier lets you check individual addresses on demand. This is useful for verifying addresses at the point of collection, such as during manual data entry or when reviewing leads one at a time. The single verifier returns results instantly with the same classification detail as bulk processing.
REST API for Real-Time Verification
Verifalia’s REST API enables real-time email verification at the point of capture. You can integrate it into signup forms, checkout flows, lead generation pages, and any other data entry point. The API supports both single and batch verification requests and returns results in JSON format.
The API offers fine-tuning options including desired quality level, waiting timeout, email deduplication preferences, data retention configuration, and callback preferences. This level of control is rare among email verification APIs and makes Verifalia suitable for high-volume, automated workflows.
Email Verification Widget
The embeddable JavaScript widget verifies emails in real-time at the point of capture on web forms. It has a compressed size of only 9KB with zero dependencies, making it lightweight enough to add minimal page load impact. The widget supports native HTML5 forms and integrates with libraries including Adobe Marketo Engage, FormStack, HubSpot, jQuery Validation Plugin, Kendo UI, Unbounce, Validate.js, and many others.
The widget works with any alphabet, including non-ASCII Unicode glyphs, and automatically detects page directionality. Installation requires only copying and pasting a few lines of HTML code into your web page.
Google Sheets Add-On
The Google Sheets add-on, available on the Google Workspace Marketplace, lets you verify email addresses directly within your spreadsheet without leaving the editor. This is particularly useful for sales teams and marketers who maintain prospect lists in Google Sheets and want to clean them before import into their outreach platform.
Open Source SDKs
Verifalia provides open source SDKs for .NET, Go, Java, JavaScript (Node.js and browser), PHP, and Ruby, plus cURL support. The SDKs wrap the REST API and handle authentication, request formatting, and response parsing. The .NET SDK was updated to v5.1 in April 2026 with .NET 10 support.
Team and Reseller Features
Premium plans support multiple users and connected browser apps under one account. Features include unique permissions per user, firewall and throttling rules, customizable data retention, and client certificate support for mutual TLS authentication. The Ultimate plan allows reselling with 100% revenue retention.
Verifalia Pricing: Plans, Credits, and Cost Per Email
Verifalia uses a hybrid pricing model that combines monthly subscription plans with pay-as-you-go credit packs. Understanding this structure is essential for calculating your actual cost per verification.
Free Plan
The free plan provides 25 daily credits that reset at midnight GMT. Unused credits expire at the end of each day. You can use Standard, High, and Extreme quality levels on the free plan. It supports up to 2 users or browser apps and includes regular support. Reselling is not permitted on the free plan.
Monthly Subscription Plans
| Plan | Daily Free Credits | Users/Apps | Classification Overrides | Reselling | Support Level |
|---|---|---|---|---|---|
| Free | 25 | 2 | 5 rules | No | Regular |
| Starter | 250 | 5 | 10 rules | No | Regular |
| Professional | 1,250 | 100 | 50 rules | No | Priority |
| Enterprise | 6,250 | 1,000 | 50 rules | No | Priority |
| Ultimate | 25,000 | 5,000 | 100 rules | Yes | Priority |
All plans include unlimited additional verifications through credit packs. Quarterly billing saves 5% and yearly billing saves 10%.
Credit Packs and Cost Per Email
Credit packs are pay-as-you-go and never expire. One credit equals one standard email verification. Higher quality levels consume more credits: Standard uses 1 credit, High uses 2 credits, and Extreme uses 4 credits.
Bulk credit packs are available as low as $0.00049 per email validation. At this rate, verifying 100,000 emails costs approximately $49. This is competitive with other email verification services, though the effective cost depends on the quality level you choose and whether you use subscription credits or credit packs.
Quality Level Cost Comparison
| Quality | Passes | Anti-Tarpit Time | Credits per Email | Effective Cost at $0.00049/credit |
|---|---|---|---|---|
| Standard | 1 | 5 seconds | 1 | $0.00049 |
| High | 3 | 50 seconds | 2 | $0.00098 |
| Extreme | 9 | 2 minutes | 4 | $0.00196 |
The Standard quality level is sufficient for most bulk list cleaning use cases. High quality is recommended for critical lists where accuracy matters more than speed. Extreme quality is designed for the most demanding verification scenarios, such as verifying high-value leads or cleaning lists before important campaigns.
Verifalia vs ZeroBounce vs NeverBounce: Head-to-Head Comparison
Choosing the right email verification tool requires comparing features, pricing, accuracy, and ecosystem fit. Here is a direct comparison of Verifalia against two of its most common alternatives.
| Feature | Verifalia | ZeroBounce | NeverBounce |
|---|---|---|---|
| Founded | 2005 | 2015 | 2012 |
| Customers | 100,000+ | Not disclosed | Not disclosed |
| Accuracy Claim | 99%+ | 99%+ | 99%+ |
| Free Tier | 25 credits/day | 100 free verifications | 1,000 free verifications |
| Starting Price | $0.00049/credit (bulk) | $0.008/email (bulk) | $0.008/email (bulk) |
| Quality Levels | 3 (Standard, High, Extreme) | 1 | 1 |
| Status Codes | 40+ | 20+ | 10+ |
| Real-Time API | Yes | Yes | Yes |
| JS Widget | Yes (9KB, zero deps) | Yes | No |
| Google Sheets Add-On | Yes | Yes | Yes |
| Open Source SDKs | 6 languages | 5 languages | 4 languages |
| Spam Trap Detection | Yes | Yes | Yes |
| Catch-All Detection | Yes | Yes | Yes |
| Role-Based Detection | Yes | Yes | Yes |
| Disposable Email Detection | Yes | Yes | Yes |
| GDPR Compliance | Yes (EU-based) | Yes (US-based) | Yes (US-based) |
| Data Center Location | Germany | US | US |
| Uptime SLA | 99.9% (paid plans) | 99.9% | 99.9% |
| Reseller Program | Yes (Ultimate plan) | Yes | No |
| Zapier Integration | Yes | Yes | Yes |
| Pipedream Integration | Yes | No | No |
When Verifalia Wins
Verifalia’s strongest advantage is its granular quality levels. No other major email verification service lets you choose between Standard, High, and Extreme verification depth. This flexibility means you can use Standard for routine list cleaning and Extreme for high-value leads, optimizing both cost and accuracy.
Verifalia also wins on pricing for high-volume verification. At $0.00049 per credit in bulk, it is significantly cheaper than ZeroBounce and NeverBounce, which typically charge around $0.008 per email. For 1 million verifications, Verifalia costs approximately $490 compared to $8,000 for the alternatives.
The EU-based data centers in Germany are another differentiator. For businesses subject to GDPR or with data residency requirements, having verification data stored in Germany under EU privacy laws is a meaningful advantage over US-based alternatives.
When ZeroBounce or NeverBounce Wins
ZeroBounce offers a larger free tier (100 verifications) compared to Verifalia’s 25 daily credits. NeverBounce offers 1,000 free verifications, which is the most generous free trial among the three.
ZeroBounce has stronger brand recognition in the North American market and more extensive integrations with email marketing platforms. NeverBounce is known for its speed and simplicity, with a straightforward interface that requires minimal configuration.
The Integration Advantage
All three tools integrate with major platforms through Zapier, but Verifalia’s additional Pipedream integration and its lightweight 9KB JavaScript widget give it an edge for technical teams building custom workflows. The widget’s zero-dependency design means it works on any website without conflicting with existing JavaScript frameworks.
Verifalia API: Integration Guide for Developers
The Verifalia REST API is designed for developers who need to integrate email verification into their applications, signup flows, or data pipelines.
Authentication
The API uses Basic Authentication over HTTPS. You authenticate using your account SID and authentication token, both available from your Verifalia account dashboard. All API calls must use HTTPS; plain HTTP requests are rejected.
Endpoints
The API provides endpoints for submitting verification jobs, checking job status, retrieving results, and managing account settings. Key endpoints include:
POST /v2/email-verifications – Submit a new verification job with one or more email addresses. You can specify quality level, data retention preferences, and callback URLs.
GET /v2/email-verifications/{id} – Check the status of a verification job and retrieve results. Results include each email’s classification, status code, and detailed explanation.
DELETE /v2/email-verifications/{id} – Delete a verification job and its associated data.
SDK Usage Example
Here is a basic example using the JavaScript SDK to verify a single email address:
“`javascript
const { VerifaliaClient } = require(‘verifalia’);
const client = new VerifaliaClient({
username: ‘your-sid’,
password: ‘your-auth-token’
});
async function verifyEmail(email) {
const result = await client.emailVerifications.submit(email, {
quality: ‘high’,
retention: ‘1h’
});
console.log(`Status: ${result.entries[0].status}`);
console.log(`Classification: ${result.entries[0].classification}`);
console.log(`Status Code: ${result.entries[0].statusCode}`);
}
verifyEmail(‘[email protected]’);
“`
Performance Considerations
Verifalia’s API performance depends on the quality level you choose and the responsiveness of the target mail servers. Standard quality verifications typically complete in under 5 seconds per email. High quality takes 30-60 seconds. Extreme quality can take 2-5 minutes per email.
For bulk verification, the API processes emails asynchronously. You submit the job, poll for completion, and retrieve results. The system can handle large volumes efficiently, but total processing time scales with list size and quality level.
Webhook Callbacks
You can configure the API to send webhook callbacks when verification jobs complete. This is useful for automated workflows where you want to process results without polling. The callback includes the job ID, completion status, and a summary of results.
Email Verification Best Practices for Cold Email Campaigns
Email verification is one component of a broader deliverability strategy. Here is how to use Verifalia effectively within your cold email workflow.
Verify Before Your First Send
Always verify your entire prospect list before sending your first campaign. Sending to invalid addresses damages your sender reputation before you have established any positive sending history. A single campaign with a 5% hard bounce rate can reduce your deliverability for weeks.
Verify at the Point of Collection
Use Verifalia’s real-time API or JavaScript widget to verify email addresses at the point of collection. This prevents invalid addresses from entering your database in the first place. It is far easier to reject a bad address at signup than to clean it out of your CRM later.
Re-Verify Aged Lists
Email addresses decay over time. People change jobs, companies shut down, and domains expire. Re-verify any list that is more than 3 months old before sending to it. For lists older than 6 months, consider using High or Extreme quality levels to catch addresses that may have changed status.
Understand the Difference Between Hard and Soft Bounces
Hard bounces occur when an email address is permanently invalid. Soft bounces are temporary delivery failures. Verifalia’s classification system helps you distinguish between the two. Remove hard bounces immediately. Monitor soft bounces and re-verify those addresses before your next campaign.
Combine Verification with Authentication
Email verification alone does not guarantee inbox placement. You also need proper email authentication protocols. Configure SPF, DKIM, and DMARC records for your sending domain before launching campaigns. Verification tells you which addresses are valid. Authentication tells receiving servers that your email is legitimate. Both are necessary for reliable email deliverability monitoring.
Use Verification Data to Segment Your Lists
Do not treat all verified addresses the same. Segment your lists based on verification results. Deliverable addresses go to your primary campaign. Risky addresses go to a separate campaign with lower sending frequency and closer monitoring. Undeliverable addresses are removed entirely. Unknown addresses can be retried once and then removed if they remain unverifiable.
How Verifalia Handles Different Email Categories
Understanding Verifalia’s four classification categories helps you make better decisions about which addresses to keep, which to flag, and which to remove.
Deliverable
Deliverable addresses have passed all verification checks. The mailbox exists, the domain is configured to receive email, and the SMTP handshake confirmed the address is valid. These addresses are safe to send to with high confidence.
Risky
Risky addresses have passed basic checks but have risk factors that could affect deliverability. Common risk factors include catch-all domains, role-based addresses (info@, sales@, support@), disposable email domains, and addresses on domains with poor reputation.
Catch-all domains are the most common risk factor. A catch-all server accepts all email for a domain regardless of whether the specific mailbox exists. Verifalia cannot confirm individual mailbox validity on catch-all domains through SMTP probing, so it flags them as risky. Your decision on catch-all addresses depends on your campaign goals. If you are sending targeted B2B outreach, catch-all addresses may still reach the intended recipient. If you need confirmed opt-in, you should treat catch-all addresses with caution.
Undeliverable
Undeliverable addresses have confirmed failures. The domain does not exist, the mailbox does not exist, or the mail server explicitly rejected the address. These addresses should be removed from your list immediately. Sending to undeliverable addresses causes hard bounces that damage your sender reputation.
Unknown
Unknown addresses could not be verified due to temporary issues. The mail server may have been unresponsive, the connection may have timed out, or the server may have returned a temporary failure code. Unknown addresses represent a small percentage of most lists, typically 1-2%.
For unknown addresses, Verifalia recommends retrying the verification after 24-48 hours. If the address remains unknown after two attempts, consider whether to include it based on your risk tolerance. For high-value prospects, you may choose to send and monitor the bounce rate. For bulk campaigns, removing unknown addresses is the safer approach.
Verifalia Integrations: Connecting Your Tech Stack
Verifalia integrates with over 6,000 tools through direct integrations, Zapier, Pipedream, and its Google Sheets add-on.
Direct Integrations
Verifalia has direct integrations with major platforms including Mailchimp, Campaign Monitor, Constant Contact, HubSpot, Salesforce, Shopify, SurveyMonkey, Typeform, Zoho CRM, Wix, WPForms, Zendesk Sell, Pipedrive, Magento, Microsoft Dynamics 365, JotForm, Google Forms, Freshsales, Copper, ConvertKit, AWeber, ActiveCampaign, Outlook, Oracle, MySQL, Marketo, MailerLite, Klaviyo, Gmail, GetResponse, Flodesk, Drip, ClickFunnels, Firebase, PostgreSQL, SQL Server, SendGrid, and Sendinblue.
Zapier Integration
The Zapier integration enables codeless workflow automation. You can create Zaps that automatically verify new email addresses when they are added to your CRM, spreadsheet, or form builder. No technical expertise is required to set up these automations.
Pipedream Integration
Verifalia is an official Pipedream partner, which provides a low-code integration platform for IT professionals and developers. Pipedream workflows offer more advanced customization than Zapier, including custom code steps, data transformation, and conditional logic.
Google Sheets Add-On
The Google Workspace Marketplace add-on lets you verify email addresses directly within Google Sheets. Select a range of cells containing email addresses, run the add-on, and receive verification results in adjacent columns. This is one of the most practical integrations for sales teams who maintain prospect lists in spreadsheets.
Data Privacy and Compliance: Is Verifalia GDPR Compliant?
Verifalia’s EU-based operation gives it a structural advantage for GDPR compliance, but the specifics matter for businesses in regulated industries.
Data Storage Location
All verification data is stored in secure data centers in Germany, which operates under some of the strongest data privacy laws in the European Union. This is a meaningful differentiator from US-based alternatives like ZeroBounce and NeverBounce, which store data in US data centers subject to the Cloud Act.
Data Retention
Verifalia allows you to configure data retention from a minimum of 5 minutes to a maximum of 30 days. You can also request immediate deletion of your data. This granular control over data retention is important for GDPR compliance, as the regulation requires data minimization and limited storage periods.
Data Sharing Policy
Verifalia states that your data will never be sold, rented, or shared with anyone. All connections are secured by HTTPS and TLS encryption. The platform supports multi-factor authentication (TOTP) and X.509 client certificate authentication for additional security.
Security Features
Paid plans include military-grade encryption, configurable throttling rules, trusted origins, firewall protection, and MFA. The platform also supports client certificate authentication for mutual TLS, which is rare among email verification services and valuable for enterprise security requirements.
Compliance Considerations for US-Based Businesses
If your business is US-based, Verifalia’s EU data storage means your verification data crosses international borders. This is generally acceptable under the EU-US Data Privacy Framework, but you should verify that your use case is covered. For most cold email and marketing use cases, this is not a concern, but enterprise legal teams may want to review the data processing agreement.
Pros and Cons of Verifalia
Pros
Granular quality levels let you balance speed, accuracy, and cost. Standard quality is fast and cheap for routine cleaning. Extreme quality provides the deepest verification available from any major service.
Pricing is highly competitive for high-volume verification. At $0.00049 per credit in bulk, Verifalia is significantly cheaper than most alternatives for large lists.
Over 40 status codes provide detailed explanations for every classification. This granularity helps you make informed decisions about how to handle each address.
EU-based data centers in Germany provide strong GDPR compliance and data privacy protections. This is a meaningful advantage for European businesses and any organization with strict data residency requirements.
The 9KB JavaScript widget with zero dependencies is the lightest real-time verification widget available. It works on any website without framework conflicts.
Open source SDKs in six programming languages make API integration accessible for most development teams.
Credits never expire on pay-as-you-go packs, so you are not forced to use credits within a billing cycle.
Cons
The free tier is limited to 25 daily credits, which is less generous than NeverBounce’s 1,000 free verifications or ZeroBounce’s 100 free verifications.
Higher quality levels consume more credits quickly. Extreme quality uses 4 credits per email, which makes it expensive for large lists.
Processing speed at Extreme quality is slow, with each email taking 2-5 minutes. This is not suitable for real-time verification at scale.
The user interface, while functional, is less polished than NeverBounce’s modern interface. The dashboard prioritizes data density over visual design.
Catch-all detection flags addresses as risky without providing a confidence score. You cannot distinguish between a catch-all domain that likely delivers and one that likely does not.
Customer support quality varies by plan tier. Free and Starter plans receive regular support, while only Professional and above receive priority support.
Who Should Use Verifalia? A Decision Matrix
| Use Case | Verifalia | ZeroBounce | NeverBounce |
|---|---|---|---|
| High-volume bulk cleaning (1M+ emails/month) | Best choice | Good | Good |
| Real-time signup verification | Good | Best choice | Good |
| GDPR-sensitive European businesses | Best choice | Acceptable | Acceptable |
| Developers needing SDKs and API control | Best choice | Good | Good |
| Small teams on a tight budget | Good | Good | Best choice (free tier) |
| Enterprise with reseller needs | Best choice (Ultimate plan) | Good | Not available |
| Quick one-time list cleaning | Good | Good | Best choice (simplicity) |
| Cold email outreach campaigns | Good | Good | Good |
Choose Verifalia If
You need high-volume verification at the lowest cost per email. You value granular quality levels that let you choose between speed and depth. You operate in Europe or have GDPR compliance requirements. You need a lightweight JavaScript widget for real-time form verification. You want to resell email verification services under your own brand.
Choose ZeroBounce If
You need the most generous free tier for occasional verification. You prefer a US-based service with strong North American brand recognition. You want extensive integrations with email marketing platforms out of the box.
Choose NeverBounce If
You want the simplest, most straightforward verification experience. You need 1,000 free verifications to test the service thoroughly. You prioritize speed and ease of use over granular control.
Key Takeaways
- Verifalia is a mature email verification service operating since 2005 with over 100,000 customers and EU-based data centers in Germany.
- The platform offers three quality levels (Standard, High, Extreme) that let you balance verification speed, depth, and credit consumption.
- Bulk credit packs start at $0.00049 per email, making Verifalia one of the most cost-effective options for high-volume verification.
- Over 40 status codes provide detailed classification granularity that exceeds most competitors.
- The 9KB JavaScript widget with zero dependencies is the lightest real-time verification widget available.
- Verifalia integrates with over 6,000 tools through direct integrations, Zapier, Pipedream, and a Google Sheets add-on.
- Open source SDKs are available for .NET, Go, Java, JavaScript, PHP, and Ruby.
- The Ultimate plan supports reselling with 100% revenue retention.
- Verifalia is strongest for high-volume bulk verification, GDPR-sensitive use cases, and technical teams needing API control.
- Email verification should be combined with proper authentication (SPF, DKIM, DMARC) and email lookup and verification practices for optimal deliverability.
Frequently Asked Questions
Is Verifalia accurate?
Verifalia claims 99%+ accuracy for its email verification service. In practice, accuracy depends on the quality level you select and the types of email addresses you are verifying. Standard quality catches most invalid addresses but may miss some edge cases. High and Extreme quality levels provide deeper verification that catches more hard-to-detect issues. For typical B2B prospect lists, Standard quality is sufficient for catching obvious invalid addresses, while High quality is recommended for lists where accuracy is critical.
How much does Verifalia cost?
Verifalia uses a hybrid pricing model with monthly subscription plans and pay-as-you-go credit packs. Monthly plans start at free with 25 daily credits and scale up to the Ultimate plan with 25,000 daily credits. Credit packs are available as low as $0.00049 per credit and never expire. One credit equals one Standard quality verification. Higher quality levels consume more credits: High uses 2 credits and Extreme uses 4 credits per email.
Does Verifalia offer a free trial?
Yes, Verifalia offers a free plan that provides 25 daily credits that reset at midnight GMT. Unused daily credits expire at the end of each day. The free plan supports all three quality levels (Standard, High, Extreme) and includes up to 2 users. This is sufficient for testing the service with small lists but is less generous than NeverBounce’s 1,000 free verifications or ZeroBounce’s 100 free verifications.
Can Verifalia detect catch-all email servers?
Yes, Verifalia detects catch-all email servers and flags addresses on those domains as risky. Catch-all servers accept all email for a domain regardless of whether the specific mailbox exists, which means Verifalia cannot confirm individual mailbox validity through SMTP probing alone. The service does not provide a confidence score for catch-all detection, so you need to decide how to handle these addresses based on your campaign goals and risk tolerance.
Does Verifalia work in real-time?
Yes, Verifalia offers real-time email verification through its REST API and embeddable JavaScript widget. The API supports both single and batch verification requests and returns results in JSON format. The widget verifies emails at the point of capture on web forms with a compressed size of only 9KB and zero dependencies. Real-time verification at Standard quality typically completes in under 5 seconds.
Is Verifalia GDPR compliant?
Yes, Verifalia is GDPR compliant. All verification data is stored in secure data centers in Germany under EU data privacy laws. You can configure data retention from 5 minutes to 30 days, and you can request immediate deletion of your data. Verifalia states that your data will never be sold, rented, or shared. All connections are secured by HTTPS and TLS encryption. The platform supports multi-factor authentication and X.509 client certificate authentication.
What integrations does Verifalia support?
Verifalia integrates with over 6,000 tools through direct integrations, Zapier, Pipedream, and a Google Sheets add-on. Direct integrations include Mailchimp, HubSpot, Salesforce, Shopify, Typeform, Zoho CRM, Wix, WPForms, ActiveCampaign, Klaviyo, SendGrid, and many others. The Zapier integration enables codeless workflow automation, and the Pipedream integration provides advanced customization for developers.
How does Verifalia compare to ZeroBounce?
Verifalia offers more granular quality levels (Standard, High, Extreme) compared to ZeroBounce’s single quality level. Verifalia is also significantly cheaper for high-volume verification at $0.00049 per credit versus approximately $0.008 per email for ZeroBounce. Verifalia stores data in EU data centers in Germany, while ZeroBounce uses US data centers. ZeroBounce offers a larger free tier (100 verifications) and has stronger brand recognition in North America.
Can I resell Verifalia services?
Yes, the Ultimate plan allows reselling with 100% revenue retention. This means you can offer email verification services to your clients under your own brand while Verifalia handles the infrastructure. The Ultimate plan includes 25,000 daily free credits, support for 5,000 users or browser apps, 100 classification override rules, and priority support.
What happens to my data after verification?
Verifalia allows you to configure data retention from a minimum of 5 minutes to a maximum of 30 days. After the retention period expires, your data is automatically deleted. You can also request immediate deletion at any time. Data is stored in secure data centers in Germany and is never sold, rented, or shared with third parties. All data transfers are encrypted with HTTPS and TLS.