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Use the disposable email checker to flag addresses or domains that fail its known-domain and address checks. It does not contact a mailbox or send a test message. A negative result is not proof that an address is permanent or deliverable.
Open the disposable email checker. Extended API calls use your Spotzee credit balance; see pricing for current rates.

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Check an address or domain

1

Enter the input

Provide a complete address such as person@example.com or a bare domain such as example.com. The API accepts either form in email_domain.
2

Review the flag

Read data.isTemporaryEmail. A true result flags the input; it can reflect a known disposable domain or a failed address-format check. Validate the input before treating the flag as a domain reputation verdict.
3

Allow a correction

If the check blocks a signup or import, give the contact a way to correct the address or request a review. Newly created disposable domains may not yet be recognised.
Use the email syntax validator for format checking, provider check for routing clues, and email validation for a broader assessment. Each result answers a different question; none guarantees future delivery.