Audience

Developers and businesses that need to ensure only valid, non-disposable email addresses are used for user sign-ups, reducing spam and improving data quality

About UserCheck

UserCheck is a real-time email validation API that detects and blocks disposable, temporary, and suspicious email addresses and domains so tools can focus on genuine users and reduce fake sign-ups and abuse. It verifies whether an email or domain is valid, active, and trustworthy, checks domain reputation, identifies public email providers, relays, role accounts, and offers smart suggestions for common typos, syntax validation, and bulk processing of large lists. UserCheck continuously updates its disposable email database and enhanced validation rules, and it integrates seamlessly via a simple REST API with predictable JSON responses for efficient, low-latency verification workflows. It scales to handle high volumes of requests without performance degradation and offers organizational features like environment separation for development, staging, and production workflows. Additional capabilities include custom blocklists, webhooks, and integrations with tools.

Pricing

Starting Price:
Free
Free Version:
Free Version available.
Free Trial:
Free Trial available.

Integrations

API:
Yes, UserCheck offers API access

Ratings/Reviews

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Company Information

UserCheck
Founded: 2016
www.usercheck.com

Videos and Screen Captures

UserCheck Screenshot 1
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Product Details

Platforms Supported
Cloud
Training
Documentation
Support
Online

UserCheck Frequently Asked Questions

Q: What kinds of users and organization types does UserCheck work with?
Q: What languages does UserCheck support in their product?
Q: What kind of support options does UserCheck offer?
Q: What other applications or services does UserCheck integrate with?
Q: Does UserCheck have an API?
Q: What type of training does UserCheck provide?
Q: Does UserCheck offer a free trial?
Q: How much does UserCheck cost?

UserCheck Product Features

Email Verification

Bulk Email Verification
Catch-all Server Detection
Disposable Email Detection
Domain Check
Mail Server Validation
Single Email Verification
Spam Trap Detection
Syntax Check