EmailProbe is an email intelligence platform designed to detect disposable, temporary, and fraudulent email addresses in real time. Its primary use case is to help SaaS companies and online services protect their signup flows, reduce churn, and avoid wasted resources caused by fake or low-quality accounts. The platform is built for developers at startups of all sizes and is positioned as a solution to the financial impact of fake signups.
Integration is described as requiring only a single API call or a single line of code, with setup ready in under five minutes. EmailProbe supports both single and batch email validation, and includes webhook support for asynchronous batch processing with real-time callbacks. The detection engine uses a pipeline that combines several techniques, such as domain blocklists, infrastructure analysis, network intelligence, and DNS authentication. It tracks over 202,000 disposable domains with real-time updates, and leverages multiple detection signals to identify domains that other services might miss.
Key features include disposable email detection, free provider detection (identifying signups from services like Gmail, Yahoo, and Outlook), mail infrastructure checks (verifying MX records to ensure domains can receive mail), privacy relay detection (flagging addresses from masking services such as Apple iCloud Hide My Email and Firefox Relay), role account detection (identifying generic addresses like admin@ or support@), smart typo suggestions for common domain errors, syntax validation for RFC 5322 compliance, and checks for SPF, DKIM, and DMARC records to assess email authentication posture. The API returns a risk score from 0 to 100, a verdict on the email's safety, and detailed signals such as whether the address is disposable, from a free provider, or a role account.
EmailProbe offers a free starter plan for three months with unlimited validations and no credit card required, and provides 2,500 free validations per month. The platform is delivered via a web API and is intended for integration into modern SaaS applications and services.
emailprobe-sdk is an Infrastructure & Backend product. It focuses on automating the detection of disposable or temporary email addresses in applications. It is built as an open-source project for developers integrating email validation. emailprobe-sdk is open source under the MIT license. It runs on the web, the command line, and API.
emailprobe-sdk first shipped in 2026. Key capabilities include disposable email detection, Python SDK, and API integration. It exposes integrations via a public API.
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