Detect Leaked Data
With The Industry-Leading API

Detect compromised and leaked data with the world's largest data breach feeds

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Detect Compromised

Credentials and Access Tokens

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Unrivaled coverage

Gain real-time access to structured data from info stealer logs, public and private breaches, and underground combo lists, all unified into one schema for comprehensive detection.

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Built For Action

The API provides rich contextual metadata, including device details, geolocation, and source context, empowering security teams and fraud analysts to act with speed and confidence.

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24-hour protection

Webz.io continuously updates its data from underground forums, Telegram channels, and stealer sources, ensuring you receive actionable breach intelligence within minutes of new compromises.

Speak to a Cyber Expert

Stay Ahead With

Data Breach Detection API

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All breach types, including info stealer logs, database dumps, combo lists, and cookies, share a single, consistent JSON structure for simplified parsing and integration.

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Access newly added combo lists (URL, username, password combinations) and cookies data (cookie name, value, and expiration).

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Find exactly what you need with advanced query parameters such as dual-domain search, password filters, data-type filters, and searching by breach UUID, date range, or infection timeframe.

Bigger Threat Insights with

Data Breach API

Threat Intelligence Teams

Threat Intelligence Teams

Map exposures of corporate or client domains, including stolen cookies and session tokens across multiple underground sources to uncover early indicators of compromise.

Fraud Detection Systems

Fraud Detection Systems

Identify credential and cookie reuse across breaches to stop business email compromise (BEC) and session hijacking before they occur.

Digital Risk Monitoring

Digital Risk Monitoring

Power real-time alerts for newly leaked credentials, authentication cookies, and session tokens tied to monitored domains and brands.

Data Enrichment Providers

Data Enrichment Providers

Correlate breach data, including credential leaks and compromised cookies with other threat intelligence feeds for complete context and more effective response.

Prevent Account Takeovers (ATO)

Prevent Account Takeovers (ATO)

Detect exposed usernames, passwords, and session cookies reused across platforms, helping organizations secure customer and employee accounts before attackers exploit them for unauthorized access.

Prevent Ransomware Attacks

Prevent Ransomware Attacks

Identify stolen credentials, authentication cookies, and infected endpoints associated with stealer malware, allowing security teams to isolate compromised assets and disrupt ransomware delivery before encryption begins.

Threat Intelligence Teams

Threat Intelligence Teams

Threat Intelligence Teams

Map exposures of corporate or client domains, including stolen cookies and session tokens across multiple underground sources to uncover early indicators of compromise.

Fraud Detection Systems

Fraud Detection Systems

Fraud Detection Systems

Identify credential and cookie reuse across breaches to stop business email compromise (BEC) and session hijacking before they occur.

Digital Risk Monitoring

Digital Risk Monitoring

Digital Risk Monitoring

Power real-time alerts for newly leaked credentials, authentication cookies, and session tokens tied to monitored domains and brands.

Data Enrichment Providers

Data Enrichment Providers

Data Enrichment Providers

Correlate breach data, including credential leaks and compromised cookies with other threat intelligence feeds for complete context and more effective response.

Prevent Account Takeovers (ATO)

Prevent Account Takeovers (ATO)

Prevent Account Takeovers (ATO)

Detect exposed usernames, passwords, and session cookies reused across platforms, helping organizations secure customer and employee accounts before attackers exploit them for unauthorized access.

Prevent Ransomware Attacks

Prevent Ransomware Attacks

Prevent Ransomware Attacks

Identify stolen credentials, authentication cookies, and infected endpoints associated with stealer malware, allowing security teams to isolate compromised assets and disrupt ransomware delivery before encryption begins.

Big Leaked Data Feeds for

Better Breach Detection

RECORD INFORMATION icon

Get basic information about the record and the user credentials associated with it.

ACCOUNT INFORMATION icon

Stay ahead of threats with structured compromised account information, including email, account name, password, and password type.

DEVICE INFORMATION icon

Get the full details about the infected device, typically present in infostealer-related events.

"records": [

{

uuid: “94bd1d9fded1e40b8843f31df97b807eef35f6aa”, 

crawled_date: “2025-09-13T20:56:00.000+03:00”, 

type: “Infostealer”, 

sub_type: “stealer_logs”, 

login_url: “https://salc.gov.uk/login/”, 

login_domain: “salc.gov.uk”

}

]

"account_info": {

email: “[email protected]”, 

account_name: null, 

password: “123qwe!”, 

password_type: “plaintext”

}

device_info: {

infection_uuid: “94bd1d9fded1e40b8843f31df97b807eef35f6aa”, 

exfiltration_date: “2025-09-13T00:00:00.000+03:00”, 

log_file_name: “GR[7AFB0CFC3F*****37EB27C90BA] [2025-09-02T12_11_52.1931867]”, 

hwid: “2EFD********45ADE0C”, 

ip_address: “41.150.***.**”, 

location: {

country: “GR”, 

city: “Portaria, Kentriki Makedonia”, 

zip_code: “630 87”

},

computer_username: “admin”, 

os: “Windows 10 Home x64”, 

antivirus_software: [

“Windows Defender”, 

“avast”

],

malware_family: “Redline”, 

malware_path: “C:\\Users\\2025\\Pictures\\Minor Policy\\********.exe”

},

breach_info: {

uuid: NULL, 

breach_date: NULL, 

breach_name: NULL, 

compromised_assets: NULL

},

publication_source_info: {

file_name: NULL, 

file_link: NULL, 

post_url: NULL, 

site_domain: “t.me”, 

is_premium: true

}

RECORD INFORMATION icon

Get basic information about the record and the user credentials associated with it.

"records": [

{

uuid: “94bd1d9fded1e40b8843f31df97b807eef35f6aa”, 

crawled_date: “2025-09-13T20:56:00.000+03:00”, 

type: “Infostealer”, 

sub_type: “stealer_logs”, 

login_url: “https://salc.gov.uk/login/”, 

login_domain: “salc.gov.uk”

}

]

ACCOUNT INFORMATION icon

Stay ahead of threats with structured compromised account information, including email, account name, password, and password type.

"account_info": {

email: “[email protected]”, 

account_name: null, 

password: “123qwe!”, 

password_type: “plaintext”

}

DEVICE INFORMATION icon

Get the full details about the infected device, typically present in infostealer-related events.

device_info: {

infection_uuid: “94bd1d9fded1e40b8843f31df97b807eef35f6aa”, 

exfiltration_date: “2025-09-13T00:00:00.000+03:00”, 

log_file_name: “GR[7AFB0CFC3F*****37EB27C90BA] [2025-09-02T12_11_52.1931867]”, 

hwid: “2EFD********45ADE0C”, 

ip_address: “41.150.***.**”, 

location: {

country: “GR”, 

city: “Portaria, Kentriki Makedonia”, 

zip_code: “630 87”

},

computer_username: “admin”, 

os: “Windows 10 Home x64”, 

antivirus_software: [

“Windows Defender”, 

“avast”

],

malware_family: “Redline”, 

malware_path: “C:\\Users\\2025\\Pictures\\Minor Policy\\********.exe”

},

breach_info: {

uuid: NULL, 

breach_date: NULL, 

breach_name: NULL, 

compromised_assets: NULL

},

publication_source_info: {

file_name: NULL, 

file_link: NULL, 

post_url: NULL, 

site_domain: “t.me”, 

is_premium: true

}

Talk to a Cyber Expert

The Reviews

Our Big Secret Is Out

More Sources, More Value

“Webz.io’s main value is the API and the coverage. Our users need many sources. I think this is where Webz.io stands out.”

— Ido Ivri
CTO

Critical Data in Real Time

Webz.io is a critical data source we use to automate our data-driven monitoring solution and provide real-time insights to recruiters who are looking to attract top talents.”

— Joel Cheesman
Founder & CEO

Expert Solution, Unrivaled Support

“From initial inquiry to implementation, The Webz.io team were extremely helpful, knowledgeable, and professional. Their expertise in technology coupled with their unrivaled business vision has made Webz.io the most valuable provider to BrainMustard.”

— Reza Sabernia
Founder

Clean Data, Easy Integration

“Clean data returned, easy to implement, great support. Access to forums is a must we really appreciate.”

— Gianandrea Facchini
Runner and CEO

Quick Plug-In, Top Support

“Easy setup, excellent support. Acquiring blog posts from Indonesia we’ve managed to add to our overall data collection.”

— Amien Krisna
Founder & CEO

Have a

Question?

Talk to a Cyber Expert

What is the Webz.io Breach API? arrow icon

The Webz.io Breach API provides real-time access to structured data from info stealer logs, public and private breaches, and underground combo lists, all unified into one schema for seamless integration.

 

 

Why is the Webz.io Breach API important? arrow icon

It helps detect, investigate, and mitigate exposed credentials before attackers can exploit them, addressing the issue of billions of credentials being leaked annually across the open, deep, and dark web.

What types of breach data does the API cover? arrow icon

The API covers info stealer logs, database dumps, combo lists (URL, username, password combinations), and cookies data (cookie name, value, and expiration).

 

 

What are the key features of the Webz.io Breach API? arrow icon

Key features include a unified JSON schema, expanded data coverage, advanced search and filtering options, richer contextual metadata, and consolidated records.

How can I search and filter results using the API? arrow icon

You can search by email domain, login domain, password presence/type, data type (infostealer, data breach, combo list), breach UUID, date range, or infection timeframe. Results can also be sorted and paginated.

 

What kind of contextual metadata is included with each record? arrow icon

Each record includes device details (IP, OS, hardware ID, antivirus info, stealer family, file name), geolocation data (country, city, ZIP code), and source context (publication URL, breach domain, premium channel indicators).

 

How does the Webz.io Breach API work? arrow icon

It works as a simple, powerful REST API where you make a single GET request with a token and relevant search parameters (e.g., email_domain).

 

What are the main use cases for the Breach API? arrow icon

Use cases include threat intelligence, fraud detection, digital risk monitoring, data enrichment, preventing account takeovers (ATO), and preventing ransomware attacks.

 

What makes Webz.io a trusted choice for breach data? arrow icon

Webz.io offers proven expertise, enterprise-grade uptime and support, real-time data collection, consistent data structure, and a time-bounded dataset covering approximately 1.5 years of active, high-relevance breach data.
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