Data Validation

Simple, lightweight model-based validation for Vue.js

A global phone validator and verificator service covering 240+ countries with carrier and line type lookup.

Verifybee finds and verifies email addresses, phone numbers & social media accounts for professionals.

Lob provides direct mail and address verification APIs that allow businesses to send timely, personalized, automated offline communications to their customers.

Improve data quality by capturing correct addresses. Boost conversions and user experience with postcode address verification and geocoding technology.

Abstract provides powerful APIs to help you enrich any user experience or automate any workflow. Used by 10,000+ developers worldwide.

Say goodbye to crowded, inaccurate email lists. Emailable is an email verification SaaS designed for bulk validation.

Parsley, the ultimate frontend javascript form validation library

The best validation library for JavaScript. No dependency. Supports popular frameworks including Bootstrap, Zurb Foundation, Pure, Semantic, UIKit, Bulma, spectre, Shoelace