Guides
E-mail verification vs account existence checks: what's the difference?
Mailbox validation says an address can receive mail. An account check says it is registered on a service. When to use each, and the privacy rules.
7 min read
Articles tagged “Privacy”
5 articles.
Guides
Is a phone number personal data under the GDPR?
When a phone number is personal data under the GDPR, what changes for business numbers, and how lookups and enrichment fit lawful basis, notice and rights.
10 min read
Guides
How to evaluate a phone number validation API: a buyer's checklist
The criteria that matter when you choose a phone-intelligence API: coverage, conclusive rates, unknown billing, latency, freshness, privacy and test mode.
9 min read
Guides
A privacy checklist for phone and e-mail checks
A practical GDPR-oriented checklist for phone and e-mail checks: purpose, lawful basis, minimisation, retention, objections, rights, DPAs and logging.
8 min read
Guides
Telegram number check: a practical guide to what it can and can't tell you
How Telegram's phone and username model differs, what a registration check can and can't tell you, how privacy settings affect it, with API examples.
7 min read