What if I'm blocking real prospects?
The API validates format, domain reputation, and mailbox existence in real time. You set the threshold—catch disposable domains and malformed addresses without turning away legitimate leads. Your signup funnel stays open; your database stays clean.
Stop fake accounts at the gate
Disposable email providers let users bypass your signup form with throwaway addresses. The API flags known disposable domains and invalid mailboxes before the registration completes—your product never touches the bad data.
Protect your email deliverability
High bounce rates damage your sender reputation with inbox providers. By validating emails at signup, you keep your outbound lists clean and your deliverability intact from day one.
Cut downstream cleanup costs
Fake accounts aren't just a nuisance—they're a hidden cost. Every bad record in your CRM or marketing automation tool requires manual review or data hygiene cycles. Catch it once, at the source. Related guides: Chatbot.
Signals buyers look for
Industry estimates place fake or disposable email signups at 10–25% of total registrations for unprotected forms
Industry research on email deliverability and fraud — Rates vary by industry, audience, and promotion type. Monitor your own bounce rate post-signup to establish your baseline.
Every fake account that slips through costs engineering time, inflates your CRM, and distorts your analytics
Operational impact of low-quality leads — Cleaner at-signup data means less cleanup downstream.
Supporting topics
Signup Protection
Block disposable and fake emails at registration so your user base stays clean and your metrics stay honest.
API Integration
Verify email addresses at the point of entry so bad data never enters your system.
Disposable Email Detection API
Block throwaway domains and fake inboxes before they reach your signup flow.
Export & Audit Results
Download complete verification logs in CSV or Excel for offline analysis, fraud pattern detection, and rule tuning.
Unlimited Verification
Verify at signup scale without per-check billing surprises.