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Fidro: Fraud Detection API for Fake Signups and Stolen Cards
One API call scores the email, IP and network, remembers repeat signups and odd logins, then tells you to allow, challenge or block. Free plan, under 200ms.
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87 % |
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Cerberius APIs - Powerful Developer APIs for Security & Intelligence
Explore Cerberius APIs: Robust solutions for IP lookup, email validation, and LLM prompt classification. Empower your applications with reliable developer to...
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84 % |
|
rate.email
Check any email address before it becomes a bad signup. Get a verdict, a 0-100 score, and the exact reasons behind it in one API call.
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84 % |
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MailProbe — Email Verification API
Verify email addresses in real-time. Check deliverability, detect disposable and role-based emails via a simple API.
|
82 % |
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MailTidy 3 — Email Verification, Engineered
Self-hosted email verification with a live, public API. 18× faster than the original. One-time payment. Try it on this page in real time.
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82 % |
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Free Email Verification Tool - MailTruster
Verify any email address for free. Check syntax, MX records, disposable domains and SMTP deliverability in real-time. No signup required.
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81 % |
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GHEXIT — Communications Platform
Multi-tenant SMS, voice, email & video API platform
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81 % |
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Mailaki — Email Delivery Infrastructure for Developers
High-performance transactional and bulk email API built in Rust. 100k+ emails/minute, first-class deliverability, webhooks, and a dead-simple REST API.
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81 % |
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Relayly — The email platform that lands in the inbox
Send transactional and marketing email through one fast API — with built-in address validation, automated IP warmup, and real-time signed webhooks. Engineere...
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81 % |
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Avelto · The email API for developers who want it to just work
Send transactional email with one request. Verified domains, test mode and a sandbox, signed webhooks and a full event log. Free for 5,000 emails a month.
|
81 % |
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SMSGig | Non-VoIP SMS Verification using Real SIM Numbers for OTP
SMSGig offers non-VoIP SMS verification using real SIM numbers. Receive OTP codes instantly for secure account verification on any platform.
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80 % |
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Email Verification & Deliverability Platform | Easy Email Verification
Verify email addresses one by one, in bulk (CSV/TXT) or via API: syntax, MX, SMTP mailbox, catch-all and disposable checks. 50 free verifications per day.
|
80 % |
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SkipSend: Instant Disposable & Temporary Email Detection
SkipSend helps you detect disposable and temporary email addresses to protect signups, trials, and forms.
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80 % |
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Caller ID API & Global Phone Lookup | CallerKit
CallerKit — Powerful Caller ID & Phone Lookup API for developers and companies. Real-time caller identification, reverse phone lookup, global coverage, and e...
|
80 % |
|
Qwik Mailer — AI-Native Email Delivery Platform
Fast, affordable, developer-friendly email infrastructure. Perfect for startups and creators. Get intelligent deliverability and AWS-backed routing with just...
|
80 % |
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Signup Risk API - Stop Fake Signups with Real-Time Email Trust Analysis
Score email, domain, identity, and IP with one API. Get explainable allow, review, or block decisions to stop fake signups and free-trial abuse.
|
80 % |
|
Free Email Checker & Verifier | EmailValidly
Free email checker to verify syntax, domain, MX records, disposable-email risk, role-account risk, mailbox response and catch-all signals. No signup required.
|
80 % |
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Email API for AI Agents and SaaS Applications | Waymail
Send transactional and marketing email from your SaaS application or AI agent. One email API, a TypeScript SDK, and MCP tools, with EU hosting.
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80 % |
|
IQMailPilot — Email testing for developers
Catch, inspect, and automate test emails. Unique inboxes, SMTP, waitFor SDK, and a realtime dashboard for QA and CI.
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80 % |
|
The Mailtrix — Free Email Verification & Bulk Email Checker
Verify email addresses in bulk with 5-layer SMTP checks. Check email address validity, clean your lists, reduce bounce rates, and protect your sender reputat...
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79 % |
Detected social media networks