Email verification API built for developers
A powerful, well-documented API that makes email verification simple. Integrate in minutes with SDKs for your favorite languages, comprehensive documentation, and reliable infrastructure.
The Challenges
Complex email validation logic
Proper email verification requires syntax checks, DNS lookups, MX analysis, and knowledge of provider-specific behaviors.
Maintaining verification infrastructure
Running your own email verification system requires constant maintenance and IP reputation management.
Handling edge cases
Catch-all servers, greylisting, rate limits, and temporary failures make verification tricky.
Integration complexity
Building verification into existing systems can be time-consuming without good SDKs and documentation.
How Kawaa Helps
Simple REST API
Clean, predictable API endpoints with comprehensive JSON responses. Verify single emails or process bulk lists.
SDKs for every language
Client SDK source for Node.js, Python, Go, Ruby, PHP, Java, C#, and Rust; package availability varies.
Detailed verification data
Get syntax validation, domain checks, MX records, and risk indicators in one response.
Webhooks for async processing
Process large lists asynchronously and get notified via webhooks when verification completes.
Key Features
By the Numbers
Start building with our API
Get started with 100 free verifications. No credit card required.