New: real-time phone activity check

Your customer data. Validated,
harmonized, decision-ready.

Qualidex verifies email addresses and phone numbers, standardizes names, companies and addresses, and consolidates duplicates – automated, API-first and GDPR-compliant.

Book a demo Explore features

GDPR-compliant · ISO 27001 data centers · Hosted in the EU

Connectivity

Integrations

CSV, SFTP, REST API or directly from Salesforce, HubSpot and SAP – connected in days, not months.

The platform
Validate Emails & phone numbers in real time
Harmonize Names, companies & addresses
Consolidate Duplicates into a golden record
Raw data
Validation
Harmonization
Master Data

Every layer of your data – cleaned up

From messy raw data to a reliable master data layer: Qualidex takes every record through validation and harmonization.

Accuracy
99,2%

detection rate for undeliverable email addresses – without ever sending a single email.

Performance
< 200 ms

median response time of the real-time API – fast enough for validation right in your forms or CRM.

Live checks
[email protected]valid
+49 171 2345678active
[email protected]→ gmail.com
müller gmbh & co kgchecking…
50 M+

records per batch run – processed in hours, not weeks.

240+

countries covered by E.164 phone number normalization.

99,95%

uptime SLA for the real-time API – enterprise operations from German data centers.

Features that make data quality measurable

Three modules, one pipeline: customer data is automatically validated, corrected and consistently formatted – as a batch project or in real time via the API.

[email protected]✓ Valid
[email protected]→ gmail.com
[email protected]✗ Undeliverable
[email protected]Checking…

Email validation

Syntax, domain, MX records and SMTP handshake: we check whether every address is correct and truly deliverable – including typo correction and disposable detection.

0171 / 23-45-678
HLR lookup · carrier query
+49 171 2345678
active Mobile

Phone number verification

Does the number exist – and is it still active? Real-time carrier queries, line type detection (mobile, landline, VoIP) and E.164 normalization. No call, no SMS.

MÜLLER gmbh & co kg, hauptstr. 12a berlin
Müller GmbH & Co. KG
Hauptstraße 12a · 10115 Berlin

Data formatting

Names, companies and addresses in consistent notation – salutations, legal forms and street names normalized according to your ruleset.

Müller GmbHHauptstr. 12a · Berlin
Mueller GmbH & Co. KGHauptstraße 12a · 10115 Berlin

Duplicate detection

Fuzzy matching finds duplicate entries despite differing spellings – and consolidates them into a golden record.

Quality reports

Quality score, error classes and cleansing potential – before and after every run, exportable for your reporting.

Clean data in three steps

One-off cleansing or continuous validation in production – the workflow stays the same.

customer_data_2026.csv
4.2M records · uploading…
Step 1

Connect your data

File upload, SFTP or API – or directly from your CRM. Encrypted and tenant-isolated.

Email validation
Phone activity check
Merge duplicates
Step 2

Configure rules

Choose modules and rulesets per data field – from standard presets to fully custom configuration.

94 / 100 Quality score after cleansing
Step 3

Sync results back

Harmonized data back into your systems in your target format – with change log and quality report.

Pricing that fits your data

No off-the-shelf pricing: every quote is based on data volume, modules and integration scope. You will receive a custom offer within 48 hours.

Batch project
One-off data cleansing
Project-based
One-off · based on data volume
Contact sales
  • All three modules included
  • Detailed quality report
  • Export to your target format
  • Verifiable data deletion
API platform
Continuous validation
Volume-based
Monthly · based on check volume
Book a demo
  • Real-time API with 99.95% SLA
  • CRM connectors & webhooks
  • Batch and streaming processing
  • Priority support
Enterprise Suite
Corporations & regulated industries
Custom
Annual contract · incl. SLAs & support
Contact sales
  • Dedicated instance or on-premises
  • Custom rulesets & SLAs
  • DPA, audit logs, ISO 27001 operations
  • Dedicated account manager

Not sure what fits your data landscape?

Send us an anonymized sample – you will receive a free data quality report with concrete cleansing potential.

Request a free analysis

Enterprise security & data protection

Customer data is sensitive. That is why Qualidex processes it exclusively in European data centers – encrypted, auditable and contractually sound.

GDPR by design

Data protection is not an add-on but an architectural principle – from ingestion to deletion.

  • Data processing under Art. 28 GDPR (DPA included)
  • Data minimization & purpose limitation per module
  • Verifiable deletion after project completion

Encrypted & auditable

Every record stays protected and every access traceable – tenant-isolated at the infrastructure level.

  • TLS 1.3 in transit, AES-256 at rest
  • Complete audit logs & role-based access
  • SSO/SAML & 2FA for all enterprise accounts

EU server location

Operated in ISO 27001-certified data centers in Frankfurt – your data never leaves the EU.

  • No data transfers to third countries
  • Software built & operated in Europe
  • Optional: dedicated instance or on-premises
Audited & compliant
GDPR compliant ISO-certified data centers Made in Europe – hosted in the EU

Ready for customer data you can rely on?

Talk to our team – or start with a free data quality analysis of your sample.

Book a demo Request pricing