Clean large datasets via secure file upload or integrate our low-latency API directly into your product. Built for high-volume senders.
Based on average network latency and typical Catch-All analysis depth.
Whether you need to clean a 500k legacy database or verify sign-ups in real-time, our infrastructure auto-scales to handle the load without throttling your business logic.
Drag & drop CSV/Excel processing with detailed downloadable reports.
Sub-100ms latency for single checks at point-of-capture.
Async notifications for large jobs so you don't have to poll.
Our libraries are available for Node, Python, Ruby, PHP, and Go. Or use the REST API directly.
Consistent schema across all endpoints. Detailed sub-status codes explain failures.
Enterprise tiers support up to 1,000 concurrent requests.
"We plugged the API into our signup flow. Setup was straightforward, and response time was fast enough."
"Bulk uploads were smooth even with large files. The classifications made sense for tricky domains."
"Results were clear enough that we could automate decisions inside our CRM without overthinking it."
We don't just say "Invalid". We tell you why.
RFC 5322 compliance to filter typos and malformed addresses instantly.
Verifying domain existence and valid mail exchange records capability.
Simulating delivery to the server without sending the payload.
Resolving configurations using latency analysis and historical data.
First 100 verifications are free. No credit card required.