Alternatives

Products that do what Danger does

Catch fake details, block throwaway emails, spot problem IPs

1
Danger▲129
Protect your app from bad humans
2024
2
Email Bounce Checker from BlockSurvey▲98
Privacy-focused email bounce checker. No ads, no trackers.
2022
3
SELLsecure Scams investigator▲78
Check who is behind an email and detect fraud
2017
4
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Detect fake signups in under 200ms with an easy-to-use API
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5
Proofy 2.0▲199
A bulk email verification service
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6
Bouncer Shield▲85
Real-time form protection against bad emails
2024
7
Mailtrap.io▲125
Fake SMTP. Send Test Emails without spamming real customers
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8
Unspam.email▲309
Email spam checker and newsletter heatmap prediction.
2020
9
RiskyVerifier▲28
Verify Catch all, Unknown and Risky Emails with 98% Accuracy
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10
Proofy▲181
Quickly validate and verify your email lists.
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11
Weecheck▲120
Validate email addresses and avoid bounces
2021
12
Clearbit's Risk API▲189
Identify spam signups & bad actors
2017
13
Reacher▲208
Check if an email exists without sending any email.
2020
14
WebSafely Extension▲113
Instantly know if a site is a scam, right from your browser
2025
15
BounceBan▲123
Unlimited free email verify, works great for accept-all
2022
16
Mailcheck▲86
Validate and clear your email lists from bounces 💌
2019
17
Scary Senders▲123
Detect spooky spy pixels in your emails
2021
18
IsItDisposable▲11
Stop throwaway emails before they hit your database
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19
Scrubby▲42
Complete risky email validation tool with 98% accuracy
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20
MailCheck▲49
Stop Free Trial Abuse with Advanced Email Verification
2025
21
Free Email Verifier▲202
The first free and accurate email verification service
2020
22
MailSnitch▲156
Tag your emails to see who’s selling it
2025
23
Warmup Inbox▲204
Free email spam checker & inbox placement tester
2023
24
MailSnag▲83
Automated email testing for dev/staging/QA/CI environments
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