Email & IP Validation API at scale

Block Fake Users

Stop fake, fraudulent, and low-quality signups before they enter your trial funnel, so you waste less CAC, improve trial-to-paid conversion, and generate more LTV from every acquisition.

Start Free Forever - No Card Needed

TRIAL TO PAID CONVERSION
Realtime
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Verified signups
$0
Total saved
0%
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sarah@acme.co verified successfully
Trusted By 100+ Customers:
Behansa Avensiana Writtte Editor Velovra 895070 Behansa Avensiana Writtte Editor Velovra 895070 Behansa Avensiana Writtte Editor Velovra 895070 Behansa Avensiana Writtte Editor Velovra 895070 Behansa Avensiana Writtte Editor Velovra 895070 Behansa Avensiana Writtte Editor Velovra 895070
To Detect and Protect:
Fraudulent Accounts Free-Tier Abusers Product-Led Growth Abusers Free Provider Accounts Business Accounts Educational Accounts Government Accounts Disposable Emails Typo Squatting Punycode Abuse Plus Addressing Dot Variations Mixed Scripts Fraud Patterns Velocity Abuse Undeliverable Emails Subdomain Abuse Special Hidden Characters Fraudulent Accounts Free-Tier Abusers Product-Led Growth Abusers Free Provider Accounts Business Accounts Educational Accounts Government Accounts Disposable Emails Typo Squatting Punycode Abuse Plus Addressing Dot Variations Mixed Scripts Fraud Patterns Velocity Abuse Undeliverable Emails Subdomain Abuse Special Hidden Characters Fraudulent Accounts Free-Tier Abusers Product-Led Growth Abusers Free Provider Accounts Business Accounts Educational Accounts Government Accounts Disposable Emails Typo Squatting Punycode Abuse Plus Addressing Dot Variations Mixed Scripts Fraud Patterns Velocity Abuse Undeliverable Emails Subdomain Abuse Special Hidden Characters Fraudulent Accounts Free-Tier Abusers Product-Led Growth Abusers Free Provider Accounts Business Accounts Educational Accounts Government Accounts Disposable Emails Typo Squatting Punycode Abuse Plus Addressing Dot Variations Mixed Scripts Fraud Patterns Velocity Abuse Undeliverable Emails Subdomain Abuse Special Hidden Characters Fraudulent Accounts Free-Tier Abusers Product-Led Growth Abusers Free Provider Accounts Business Accounts Educational Accounts Government Accounts Disposable Emails Typo Squatting Punycode Abuse Plus Addressing Dot Variations Mixed Scripts Fraud Patterns Velocity Abuse Undeliverable Emails Subdomain Abuse Special Hidden Characters Fraudulent Accounts Free-Tier Abusers Product-Led Growth Abusers Free Provider Accounts Business Accounts Educational Accounts Government Accounts Disposable Emails Typo Squatting Punycode Abuse Plus Addressing Dot Variations Mixed Scripts Fraud Patterns Velocity Abuse Undeliverable Emails Subdomain Abuse Special Hidden Characters

1,000+

Autheona identifies 1,000+ fake users every day, stopping fraudulent sign-ups, reducing abuse, and protecting legitimate users.

$40K+

Customers save $40,000+ every month by verifying users before access, reducing fraud, operational costs, and platform abuse.

98%+

Autheona identifies 98%+ of fake users and repeat abusers, improving security while reducing fraud, spam, and misuse.

99.99%

99%+ API uptime delivers reliable identity verification with high availability, fast response times, and uninterrupted onboarding.

Every Signup Validation Your Product Needs

Validate every user before granting access to your product, from bot detection, fake-account prevention to category-based verification and custom checks for every signup use case.

Catch Free-Tier Abusers

Spot users creating account after account to keep exploiting your free plan, and stop giving away what they should be paying for.

Read More
1

Detect Signup Velocity

Catch users creating multiple accounts with different emails by looking beyond the email address and spotting suspicious signup patterns.

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2

Know If Their Email Will Deliver

Check whether an email address is actually deliverable before you create a user you may never be able to reach.

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3

Know Who's Using a Business Email

Separate real business users from personal inboxes so you can qualify signups, route leads, or enforce your product rules automatically.

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4

Verify Government & Official Accounts

Confirm public sector users instantly. Gate government pricing, official partnerships, and B2G workflows with verified .gov and agency domain detection.

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5

Verify Education Signups

Identify education users with confidence and keep student or academic access limited to the people who actually qualify.

Read More
6

And More...

Go beyond the obvious with custom verifications built around exactly how your product works, from unique rules to edge cases your team can define.

See Pricing

One Core API

Integrate everything through one minimal, unified API. simple to integrate, easy to maintain, and flexible enough to support all your validation needs.

POST /v1/intelligence
Request
curl -X POST "https://api.autheona.com/v1/intelligence" \
  -H "Content-Type: application/json" \
  -H "x-api-key: <access-token>" \
  -d '{
    "email_address": "<email-address>"
  }'
Response
{
  "action": "block",
  "email": {
    "normalized": {
      "base": "abuser@googlemail.com",
      "without_plus_addressing": "abuser@gmail.com",
      "without_dot_variations": "abuser+promo47@gmail.com",
      ...
    }
  }
}

Configure Once, Never Touch the Code.

A built-in rule engine makes verification easy to customize. Change the rules anytime, no code changes, no redeploys, no engineering effort.

Built to Sit Beside Your Existing Stack

Autheona doesn't replace your authentication provider, database, or application logic. Add the API to your existing signup flow and use the returned intelligence to make your own allow, review, or block decision.

Integrate with Any Stack

Integrate Autheona seamlessly into any technology stack or platform. Add verification at the gate to protect your product and ensure only trusted users and requests get through.

Documentation See All Integrations

Use Cases Our Customers Love

Discover how customers use Autheona to protect their products.

Preventing Multi-Account Free Trial Abuse

A SaaS company protected its free trial experience by identifying repeat users across accounts and keeping trial access focused on genuine prospects.

Improving Conversion Quality Across Paid Acquisition

Growth teams improved acquisition efficiency by distinguishing high-quality prospects from low-intent signups before they entered the conversion funnel.

Frictionless Onboarding Optimization for Legitimate Buyers

Product teams increased successful onboarding by reducing unnecessary friction for legitimate users while keeping unwanted activity at bay.

Purifying Product-Led Growth (PLG) Metrics for Investors

Customer teams gained a clearer picture of genuine product growth by separating real users from inflated signups and conversions.

Safeguarding Unit Economics Against AI Token & Cloud Drain

One AI platform reduced unnecessary infrastructure spend by identifying usage patterns that were quietly driving higher token and cloud costs.

Lead Tiering and B2B Account Executive Routing

B2B teams improved sales efficiency by identifying high-value accounts early and automatically routing them to the right account executives.

Automated, Secure Gating for Academic / Student Discounts

Education-focused products streamlined student verification while ensuring discounted access remained limited to eligible academic users.

Maximizing Deliverability & Email Marketing ROI

Marketing teams improved campaign performance by keeping low-quality addresses out of their lists and focusing outreach on deliverable users.

See Roadmap Run a Free Audit

We integrate Autheona into nearly all the products we develop for our clients, and the business results have been significant. In one case, a client identified more than 200 fraudulent users and saved approximately $6,000 within the first two weeks of launch. Autheona has helped our clients reduce fraud, protect revenue, and deliver measurable cost savings from day one.

CTO, Avensiana NZ