Trustfull Phone
Validate phone numbers with over 220 mobile networks worldwide. Check phone status, carrier, porting history, and identity signals without adding user friction.
Browse by product
Power your tech stack with Trustfull and discover how to reduce risks, protect integrity and accelerate growth with digital signals.
Trustfull Email
Connect our API to verify customer emails directly at the point of entry. Add Trustfull Email to your lead pages, registration forms or wherever you collect emails.
Trustfull IP
Use Trustfull IP geolocation and proxy detection for a wide range of applications including marketing optimisation, compliance and fraud detection.
Trustfull Domain
One API to perform deep online due diligence on any web domain globally, analyzing the website’s technical attributes, social media presence and marketplace activity.
Trustfull Onboarding
Combine Phone, Email and IP checks in one risk scoring solution to supercharge your apps with alternative data and score your users with ready-to-use ML models.
Trustfull Session
Silent and fully auditable analysis of device, browser, behavior and network signals to protect your site and APIs from malicious bots and bad human actors.
Trustfull Login
Protect users' login attempts with a powerful authentication API that combines behavioral biometrics and accurate device fingerprinting for maximum security.
Disposable Phones
Detect whether a phone number is associated with a temporary or disposable phone service provider to prevent fraud and validate contact details.
DOCUMENTATION
The right content for every API user
Guides
A high-level overview of the Trustfull API to help you plan your integration.
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API Reference
The ultimate Trustfull API tech guide, covering every endpoint, parameter and response code.
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Recipes
Our library of step-by-step tutorials to help you get started with the Trustfull API.
Read moreFrequently asked questions
Find quick answers to the most common questions about using the Trustfull API.
What is the Trustfull API and how do I get started?
Trustfull provides a suite of APIs that let you collect digital signals, assess risk, and prevent fraud.
To begin, visit the
Introduction section
in the Guides, where you’ll find everything you need to set up your credentials, make your first request,
and explore the available APIs.
Which types of signals are analyzed by Trustfull?
Trustfull analyzes a wide range of digital signals related to users’ phone numbers, email addresses, IP
addresses, behavior, browser configurations and device characteristics. For a full list of available
signals and their technical specifications, please refer to the API reference section.
What types of fraud can I mitigate with Trustfull?
By integrating Trustfull within your solution, you can detect multiple forms of digital fraud, including
synthetic identity fraud, money muling, bonus/promo abuse, account takeovers, and bot activity.
How does Trustfull handle data privacy and compliance (e.g. GDPR)?
Trustfull follows strict data protection standards, encrypting data in transit and at rest. We comply with
GDPR and other regional regulations, ensuring personal data is processed lawfully, stored securely, and
used only for authorized purposes. We are also certified to ISO 27001.
Where can I find SDKs, code samples, and integration examples?
Trustfull provides official SDKs, code samples, and integration guides in the
Guides and
API Reference sections
of the documentation.
Where can I get technical support?
If you can’t find the answers to your question in our documentation, you can send your query to
[email protected].
Get the latest
We’re constantly rolling out new products and functionality while refining features and boosting performance. Stay in the loop to make the most of what’s new.
Changelog
See what’s new, improved, and fixed within the Trustfull API & product offering. All changes are listed in reverse chronological order with clear notes on features, enhancements, and bug fixes.
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