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Base API

API for authentication, email sending, images and more!

19 Alternatives To Base API

Alloy

API service and dashboard for identity verification
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Antideo

Email, IP address and phone number validation API service
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Clearbit Connect

Clearbit Connect is a free extension that surfaces actionable information on the people who email you.

Email Validator!

Free JSON API that gives you a simple way to validate emails
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Eva

The email validation service for your web platforms
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Instant 2FA

Add two-factor auth to any site in minutes
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Kickbox

Verify your email address lists with our drag and drop interface, or integrate into your app with our API. Prevent fake and bot account sign-ups by confirming your users are real humans with a real email address.

Mailcheck

An application to clean your subscription list from bounces, and enrich data with the customers

NeverBounce

Real-time email verification and cleaning to ensure emails never bounce.

Proofy

Quickly validate and verify your email lists.

Rapid 2FA

A painless way to add two-factor authentication to your site

Sales Temperature

Sales Temperature is a crowdsourced artificial intelligence (AI) retail forecasting platform.

SimpleID

Add decentralized auth and storage to your app in 10 minutes

TwoBlocks

A 2FA provider on BlockStack

Verifier

Weed out disposable, non-existent domains or invalid emails.

Wiza

Create email lists from Linkedin Sales Navigator
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lemlist

Send emails that get replies 💌