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Get a dedicated desktop app for Is It Disposable on Mac, Windows, and Linux with WebCatalog Desktop.
- Launch Is It Disposable directly from your Dock or taskbar.
- Work without distractions in a dedicated window, separate from your browser tabs.
- Manage multiple Is It Disposable accounts and switch between them without logging out.
Is It Disposable is for product teams, website owners, and developers who want to reduce throwaway email signups, trial abuse, and unreliable signup metrics. Add its JavaScript snippet to a form to check addresses as people enter them, or use the REST API from a backend to check individual addresses and batches of up to 100. The API can also help review an existing email list. Checks use DNS records and a maintained dataset of disposable email domains, without SMTP mailbox probing. Results include a disposable-email verdict and a recommended allow, warn, or block action; you choose how your form or application responds. The service is designed to fail open, so a detection issue does not prevent signups from continuing.
Disclaimer: WebCatalog is not affiliated, associated, authorized, endorsed by or in any way officially connected to Is It Disposable. All product names, logos, and brands are property of their respective owners.
