Fake Email
Detection.
Detect disposable emails, spam traps and invalid addresses in real-time. Protect your platform from fake accounts.
Per email validation · No subscription · Prepaid never expires
Included in every check
API Call
A simple GET request
7 Checks in <50ms
Executed in parallel
Result + Risk Score
JSON response instantly
More checks, same price
Monitored Fake Domains
Our AI-powered threat intelligence platform monitors the internet in real-time and detects new fake domains before they become active.
Neural Email Observatory
Proprietary AI threat intelligence with global monitoring
Pattern Recognition
ML-based detection of new fake domain patterns
Domain Age Analysis
Newly registered domains automatically classified as risk
Global Blacklists
Integration of all known disposable domain lists worldwide
What Sets Us Apart
PaperOffice Fake Email Detection offers more than any other solution
Neural Email Observatory
Proprietary AI threat intelligence – detects even unknown fake domains
7-Point Validation
More checks than any competitor in a single API call
<50ms Latency
Ultra-fast validation – ideal for real-time forms
150k+ Fake Domains
The most comprehensive disposable domain database worldwide
SMTP Verification
Real-time verification that the mailbox actually exists
No Rate Limit
Unlimited API calls – scales with your growth
EU GDPR Compliant
Own EU servers – no data sharing with third parties
Pay-per-Use
No subscription, no contract – prepaid never expires
What We Check
Comprehensive email validation in one API call
Disposable Detection
10MinuteMail, Guerrilla Mail, Tempmail and 150,000+ more domains
Syntax Validation
RFC-compliant email format check according to international standards
MX Record Check
Check if the domain can receive emails
Spam Trap Detection
Detection of honeypot and spam trap addresses
Catch-All Check
Detection of catch-all domains that accept everything
Risk Score
Confidence score from 0–100 for each email address
Neural Email Observatory
Our proprietary AI-powered threat intelligence database. We monitor and collect data globally – even unknown fake emails with bad reputation are detected.
Reputation Check
Real-time reputation of the email domain from our Neural Email Observatory
The Difference Matters
Why PaperOffice is the better choice
Basic Validators
regex, dns-only
- Syntax Check
- MX Record
- Disposable Detection
- Spam Trap Detection
- AI Reputation
- Risk Score
- EU Datacenter
- No Rate Limit
Premium Services
ZeroBounce, Hunter.io
- Syntax Check
- MX Record
- Disposable Detection
- Spam Trap Detection
- AI Reputation
- Simple Score
- US Servers
- Rate Limits
PaperOffice AI
Neural Email Observatory
- Syntax Check
- MX Record + SMTP
- Disposable (150k+)
- Spam Trap Detection
- AI Reputation
- Risk Score 0–100
- Own EU Datacenter
- No Rate Limit
How to Protect Your Platform
Every email is automatically analyzed and handled accordingly
Registration
User enters email address
Fake Email API
status: "approved" verify: "email" status: "blocked" Where Is It Used?
Protect every email input in your application
Registration
DisposablePrevent fake accounts at registration. No disposable addresses.
Newsletter
Spam TrapKeep your email list clean. No spam traps or honeypots.
Free Trial
Catch-AllPrevent trial abuse. Detect multiple registrations.
Lead Qualification
BusinessOnly real business emails. No free providers.
Try It Yourself
Enter an email address and see the result in real-time.
Validate Email
Test any email address for fake, disposable or spam trap.
Validating Email...
Integrated in 5 Minutes
One API call – all checks included
curl "https://api.paperoffice.ai/latest/fakeemail/check\
?email=test@10minutemail.com"import requests
response = requests.get(
"https://api.paperoffice.ai/latest/fakeemail/check",
params={"email": "test@10minutemail.com"}
)
result = response.json()
print(f"Fake: {result['result']['is_fake']}")
print(f"Risk: {result['result']['risk_score']}")const res = await fetch(
"https://api.paperoffice.ai/latest/fakeemail/check" +
"?email=test@10minutemail.com"
);
const data = await res.json();
console.log(`Fake: ${data.result.is_fake}`);
console.log(`Risk: ${data.result.risk_score}`);{
"status": { "code": 200 },
"result": {
"email": "test@10minutemail.com",
"is_fake": true,
"is_legitimate": false,
"risk_score": 95,
"risk_level": "CRITICAL",
"recommendation": "BLOCK",
"checks": {
"syntax": { "is_valid": true },
"disposable_domain": { "is_disposable": true },
"mx_record": { "has_mx": false },
"spam_trap": { "is_spam_trap": false }
}
}
}Enterprise Security
Highest security standards for your data
Frequently Asked Questions
Which email types are detected?
How does email validation work?
Is the API GDPR compliant?
How much does email validation cost?
How fast is the detection?
Are business emails also validated?
Is there a live demo?
Can I integrate the API into existing systems?
Customer Success Stories
Discover how businesses transformed their processes with PaperOffice AI.
Kumul Minerals Holdings Limited
Enterprise document management for all our mining operations. World class.
The Challenge Printing Company Inc.
FDA-regulated pharmaceutical labels require seamless documentation. PaperOffice has reduced our approval process from days to hours.
K60-Gitterrostsysteme GmbH & Co. KG
Technical documentation and order processing now run fully automatically.
Ayuntamiento de Carrión de los Condes
Digitization has revolutionized our administration. Citizen inquiries are now processed in minutes instead of days.
Kardiologie Waldstrasse
Patient records, medical reports, and referrals are automatically captured and classified. Our practice team finally has time for their patients.
Okada Manila
8,000 employees and thousands of guest documents every day. PaperOffice has completely digitized our back-office processes.
PT Bank BPD DIY
Loan applications and compliance documents are now processed in minutes instead of hours. The regulatory review is fully automated.
IDC Construcción
Construction project documentation and compliance are now digital and traceable.
The Palms Beach Hotel & Spa
Check-in forms, invoices, and guest communications are fully digital. Our concierge team now focuses on providing excellent service.
Q1 Energie AG
Gas station billing, supplier documents, and compliance records from over 250 stations are automatically processed and archived.
Schreiner MediPharm GmbH & Co. KG
GMP-compliant documentation for pharmaceutical functional labels is now fully automated. Audit trails are seamless and instantly accessible.
Baufritz GmbH & Co. KG
Blueprints, permits, and customer files for our wooden houses are now managed centrally. After six generations, we are finally paperless.
Roastmarket GmbH
Supplier contracts, certificates, and customs papers for hundreds of roasteries worldwide are automatically captured and assigned to the correct product.
Streck Transport GmbH
Temperature logs, CMR waybills, and food certificates are automatically scanned and assigned to the order. Misallocations are a thing of the past.
Nosta Group GmbH
Heavy transport permits, route plans, and project documentation are now instantly accessible digitally. No more searching through folders.
Lagermax Lagerhaus und Speditions AG
Customs documents, warehouse receipts, and shipping orders for our Eastern European network are automatically classified. Four generations of logistics, finally digital.
Marzek Etiketten+Packaging GmbH
Printing specifications, customer approvals, and material certificates are now accessible centrally. The production error rate has dropped to near zero.
Permapack AG
Sustainability certificates, supplier contracts, and customer specifications are processed automatically. Swiss precision, now also digital.
Nordlin Ehitus OÜ
Building permits, subcontractor contracts, and acceptance protocols for our commercial properties are now fully documented digitally.
Uus Maa Kinnisvarabüroo OÜ
Purchase agreements, exposés, and customer files from over 30 years of market leadership are now digitally searchable. Every agent finds everything in seconds.
CF&S Estonia OÜ
Ocean freight documents, customs declarations, and bills of lading are automatically captured. Baltic Sea logistics has never been so efficient.
Packhelp Sp. z o.o.
Thousands of custom packaging orders per week, including design approvals, print data, and delivery documents. PaperOffice keeps it all together.
Sakura Finetek Japan Co., Ltd.
Pathology lab documentation and device certifications are now fully automated. Seamless traceability for every specimen.
Johnan Shinkin Bank
Loan documents, security papers, and customer correspondence are processed in minutes instead of hours. The regulatory review is seamless.
Yamato Kogyo Co., Ltd.
Technical specifications, quality certificates, and recycling protocols for our steel production are central and instantly accessible.
IL Kwang Label Co., Ltd.
Pharma and cosmetic label specifications with regulatory requirements are automatically checked and approved. No more manual checklists.
Endowus Pte. Ltd.
KYC documents, investment reports, and regulatory filings are classified in seconds. As an MAS-regulated robo-advisor, seamless compliance is essential.
Freight Links Express Holdings Ltd.
Safety data sheets, transport permits, and ADR documents for chemical logistics are automatically assigned. Zero tolerance for errors.
Selberan Sdn Bhd
Certificates of authenticity, supplier records, and customer warranties for our pearl collections are automatically archived and instantly accessible.
Kiatnakin Phatra Bank PCL
SME loan applications, security documents, and regulatory reports are automatically classified. Our advisors have more time for customer consulting.
Hatton National Bank PLC
Customer files from over 135 years of banking history are being successively digitized. 5,000 employees now have instant access to all documents.
BRAC Bank PLC
Microcredit applications and compliance documents for millions of customers are now processed in minutes instead of days. A game changer for financial inclusion.
Scommerce JSC (Giao Hàng Nhanh)
Hundreds of thousands of delivery notes and return slips per day are processed automatically. Vietnam's leading e-commerce logistics provider, now paperless.
Gulf Metal Industries LLC
CNC manufacturing protocols, material certificates, and customer specifications for oil, gas, and aerospace projects are now fully documented digitally.
Elm Company
Vision 2030 requires complete digitization. PaperOffice processes government documents for Saudi Arabia's digital backbone.
Bisalloy Steels Pty Ltd
Material certificates, hardening protocols, and customer specifications are automatically assigned to the correct order. Australia's only Q&T manufacturer, now paperless.
Pacific Steel Fabrications Ltd.
Weld seam protocols, structural calculations, and project plans are managed digitally. Our workshop teams have access in real time.
Maple Precision Metalworks Ltd.
Aerospace certificates, CNC programs, and customer tolerances are automatically classified. AS9100 compliance has never been easier.
Clip SA de CV
Merchant contracts, KYC documents, and transaction receipts for hundreds of thousands of SMEs are processed in seconds. Mexico's payment revolution, paperless.
Bodega Catena Zapata
Harvest documentation, export certificates, and quality protocols for our high-altitude Malbecs are automatically archived. 120 years of winemaking tradition, now digital.
Ualá
Millions of user verifications and regulatory documents are processed fully automatically. Scaling without paper.
Yoco Technologies (Pty) Ltd
Merchant onboarding documents and compliance records for Africa's leading payment provider are processed in minutes instead of days.
Faithful to Nature (Pty) Ltd
Organic certificates, supplier audits, and product labels for thousands of natural products are automatically checked and archived.
Flutterwave Inc.
Regulatory documents from 33 African countries, partner contracts, and audit trails are managed fully automatically. An enterprise DMS for a $3 billion fintech.
HealthInLoc Apotheke Lissabon
Prescriptions and medication management now run fully automatically. More time for our patients.
Patriarchat Lissabon
Centuries-old documents are now digitally searchable. A milestone for our historical archives.
Seniorenresidenz am Park
Our caregivers finally have more time for residents instead of paperwork.
Baldwin County Sheriff's Office
500,000+ records digitized. Our deputies now find all information instantly.
Via Creative Leipzig
Patient records management is now a breeze. Everything automatically captured and archived.
Naslednik Serbien
Inheritance and estate documentation is now efficient and error-free.
El Guijo Hausverwaltung Madrid
Digital property management for all our residential complexes. Tenants and owners are thrilled.
Ritter Verpackungen
With PaperOffice, we have accelerated our invoice processing by 99%. The AI automatically recognizes all relevant data and assigns it correctly.
Herrmann Handwerk
PaperOffice has become indispensable to our daily work. Orders, quotes, and invoices are now automated.
Hartung Pflegedienst
The documentation of our care services is now digital and automated. More time for our patients.
Doratec Maschinenbau
Technical drawings, bills of materials, and quality protocols are instantly searchable. A search that used to take 30 minutes now takes 30 seconds.
Cebras Steuerberatung
Client receipts, tax assessments, and annual financial statements are automatically sorted and assigned to the correct client. Receipt chaos is a thing of the past.
Butterfly IT Consulting
Project documentation, SLAs, and customer communication for our IT consulting projects are automatically classified and archived.
Companies worldwide trust PaperOffice AI
Kumul Minerals Holdings Limited
The Challenge Printing Company Inc.
K60-Gitterrostsysteme GmbH & Co. KG
Ayuntamiento de Carrión de los Condes"Enterprise document management for all our mining operations. World class."
Operations Director, Kumul Minerals Holdings Limited "FDA-regulated pharmaceutical labels require seamless documentation. PaperOffice has reduced our approval process from days to hours."
VP Operations, The Challenge Printing Company Inc. "Technical documentation and order processing now run fully automatically."
CEO, K60-Gitterrostsysteme GmbH & Co. KG "Digitization has revolutionized our administration. Citizen inquiries are now processed in minutes instead of days."
Administration Manager, Ayuntamiento de Carrión de los Condes "Patient records, medical reports, and referrals are automatically captured and classified. Our practice team finally has time for their patients."
Cardiologist, Kardiologie Waldstrasse "8,000 employees and thousands of guest documents every day. PaperOffice has completely digitized our back-office processes."
Director of Operations, Okada Manila "Loan applications and compliance documents are now processed in minutes instead of hours. The regulatory review is fully automated."
Head of Digital Banking, PT Bank BPD DIY "Construction project documentation and compliance are now digital and traceable."
Project Manager, IDC Construcción "Check-in forms, invoices, and guest communications are fully digital. Our concierge team now focuses on providing excellent service."
General Manager, The Palms Beach Hotel & Spa "Gas station billing, supplier documents, and compliance records from over 250 stations are automatically processed and archived."
Head of Finance, Q1 Energie AG "GMP-compliant documentation for pharmaceutical functional labels is now fully automated. Audit trails are seamless and instantly accessible."
Head of Quality Management, Schreiner MediPharm GmbH & Co. KG "Blueprints, permits, and customer files for our wooden houses are now managed centrally. After six generations, we are finally paperless."
Managing Director, Baufritz GmbH & Co. KG "Supplier contracts, certificates, and customs papers for hundreds of roasteries worldwide are automatically captured and assigned to the correct product."
COO, Roastmarket GmbH "Temperature logs, CMR waybills, and food certificates are automatically scanned and assigned to the order. Misallocations are a thing of the past."
CEO, Streck Transport GmbH "Heavy transport permits, route plans, and project documentation are now instantly accessible digitally. No more searching through folders."
Head of Project Logistics, Nosta Group GmbH "Customs documents, warehouse receipts, and shipping orders for our Eastern European network are automatically classified. Four generations of logistics, finally digital."
Board Member Logistics, Lagermax Lagerhaus und Speditions AG "Printing specifications, customer approvals, and material certificates are now accessible centrally. The production error rate has dropped to near zero."
CEO, Marzek Etiketten+Packaging GmbH "Sustainability certificates, supplier contracts, and customer specifications are processed automatically. Swiss precision, now also digital."
CEO, Permapack AG "Building permits, subcontractor contracts, and acceptance protocols for our commercial properties are now fully documented digitally."
Project Director, Nordlin Ehitus OÜ "Purchase agreements, exposés, and customer files from over 30 years of market leadership are now digitally searchable. Every agent finds everything in seconds."
CEO, Uus Maa Kinnisvarabüroo OÜ "Ocean freight documents, customs declarations, and bills of lading are automatically captured. Baltic Sea logistics has never been so efficient."
Managing Director, CF&S Estonia OÜ "Thousands of custom packaging orders per week, including design approvals, print data, and delivery documents. PaperOffice keeps it all together."
CTO, Packhelp Sp. z o.o. "Pathology lab documentation and device certifications are now fully automated. Seamless traceability for every specimen."
Director Quality Assurance, Sakura Finetek Japan Co., Ltd. "Loan documents, security papers, and customer correspondence are processed in minutes instead of hours. The regulatory review is seamless."
Head of Operations, Johnan Shinkin Bank "Technical specifications, quality certificates, and recycling protocols for our steel production are central and instantly accessible."
Director of Production, Yamato Kogyo Co., Ltd. "Pharma and cosmetic label specifications with regulatory requirements are automatically checked and approved. No more manual checklists."
Head of Quality, IL Kwang Label Co., Ltd. "KYC documents, investment reports, and regulatory filings are classified in seconds. As an MAS-regulated robo-advisor, seamless compliance is essential."
CTO, Endowus Pte. Ltd. "Safety data sheets, transport permits, and ADR documents for chemical logistics are automatically assigned. Zero tolerance for errors."
Director Logistics, Freight Links Express Holdings Ltd. "Certificates of authenticity, supplier records, and customer warranties for our pearl collections are automatically archived and instantly accessible."
Managing Director, Selberan Sdn Bhd "SME loan applications, security documents, and regulatory reports are automatically classified. Our advisors have more time for customer consulting."
Head of Digital Operations, Kiatnakin Phatra Bank PCL "Customer files from over 135 years of banking history are being successively digitized. 5,000 employees now have instant access to all documents."
Chief Digital Officer, Hatton National Bank PLC "Microcredit applications and compliance documents for millions of customers are now processed in minutes instead of days. A game changer for financial inclusion."
Head of Technology, BRAC Bank PLC "Hundreds of thousands of delivery notes and return slips per day are processed automatically. Vietnam's leading e-commerce logistics provider, now paperless."
VP Technology, Scommerce JSC (Giao Hàng Nhanh) "CNC manufacturing protocols, material certificates, and customer specifications for oil, gas, and aerospace projects are now fully documented digitally."
Operations Manager, Gulf Metal Industries LLC "Vision 2030 requires complete digitization. PaperOffice processes government documents for Saudi Arabia's digital backbone."
VP Digital Transformation, Elm Company "Material certificates, hardening protocols, and customer specifications are automatically assigned to the correct order. Australia's only Q&T manufacturer, now paperless."
Quality Assurance Manager, Bisalloy Steels Pty Ltd "Weld seam protocols, structural calculations, and project plans are managed digitally. Our workshop teams have access in real time."
General Manager, Pacific Steel Fabrications Ltd. "Aerospace certificates, CNC programs, and customer tolerances are automatically classified. AS9100 compliance has never been easier."
Director of Engineering, Maple Precision Metalworks Ltd. "Merchant contracts, KYC documents, and transaction receipts for hundreds of thousands of SMEs are processed in seconds. Mexico's payment revolution, paperless."
CTO, Clip SA de CV "Harvest documentation, export certificates, and quality protocols for our high-altitude Malbecs are automatically archived. 120 years of winemaking tradition, now digital."
Managing Director, Bodega Catena Zapata "Millions of user verifications and regulatory documents are processed fully automatically. Scaling without paper."
CTO, Ualá "Merchant onboarding documents and compliance records for Africa's leading payment provider are processed in minutes instead of days."
CEO, Yoco Technologies (Pty) Ltd "Organic certificates, supplier audits, and product labels for thousands of natural products are automatically checked and archived."
Operations Director, Faithful to Nature (Pty) Ltd "Regulatory documents from 33 African countries, partner contracts, and audit trails are managed fully automatically. An enterprise DMS for a $3 billion fintech."
CTO, Flutterwave Inc. "Prescriptions and medication management now run fully automatically. More time for our patients."
Pharmacy Director, HealthInLoc Apotheke Lissabon "Centuries-old documents are now digitally searchable. A milestone for our historical archives."
Archive Director, Patriarchat Lissabon "Our caregivers finally have more time for residents instead of paperwork."
Care Services Director, Seniorenresidenz am Park "500,000+ records digitized. Our deputies now find all information instantly."
Sheriff, Baldwin County Sheriff's Office "Patient records management is now a breeze. Everything automatically captured and archived."
Practice Manager, Via Creative Leipzig "Inheritance and estate documentation is now efficient and error-free."
CEO, Naslednik Serbien "Digital property management for all our residential complexes. Tenants and owners are thrilled."
Administration Manager, El Guijo Hausverwaltung Madrid "With PaperOffice, we have accelerated our invoice processing by 99%. The AI automatically recognizes all relevant data and assigns it correctly."
CEO, Ritter Verpackungen "PaperOffice has become indispensable to our daily work. Orders, quotes, and invoices are now automated."
Owner, Herrmann Handwerk "The documentation of our care services is now digital and automated. More time for our patients."
Care Services Director, Hartung Pflegedienst "Technical drawings, bills of materials, and quality protocols are instantly searchable. A search that used to take 30 minutes now takes 30 seconds."
Technical Director, Doratec Maschinenbau "Client receipts, tax assessments, and annual financial statements are automatically sorted and assigned to the correct client. Receipt chaos is a thing of the past."
Tax Advisor, Cebras Steuerberatung "Project documentation, SLAs, and customer communication for our IT consulting projects are automatically classified and archived."
Managing Partner, Butterfly IT Consulting Start Email Validation in 30 Seconds
No setup, no configuration – ready to use instantly