Sites that match the meaning of
“user authentication API”
- 01
Secure Authentication & Ship Faster | Auth0
Secure users, AI agents, and more with Auth0, a production-ready authentication and authorization platform built to help you ship faster and drive sign-ups.
Close cos 0.885 - 02
Home - Unique Identification Authority of India | Government of India - Unique Identification Authority of India | Government of India
UIDAI is mandated to issue an easily verifiable 12 digit random number as Unique Identity - Aadhaar to all Residents of India.
Close cos 0.873 - 03
UserWay | Web Accessibility Solutions
Explore web accessibility solutions for any stage of your journey. Improve UX and work toward conformance with WCAG standards.
Close cos 0.866 - 04
Secure Identity for Employees, Customers, and AI | Okta
The Okta and Auth0 Platforms enable secure access, authentication, and automation — putting identity at the heart of business security and growth.
Close cos 0.867 - 05
Clerk | Authentication and User Management
The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and “The Modern Web”.
Close cos 0.861 - 06
Usercentrics | Leading in Data Privacy & Compliance
Usercentrics offers advanced solutions for data privacy and regulatory compliance. Meet privacy requirements, manage user consent, and secure monetization.
Close cos 0.860 - 07
Home - Garante Privacy
Italian administrative authority
Close cos 0.860 - 08
Error 403 Forbidden
Customer data platform company
Close cos 0.860 - 09
ipify - A Simple Public IP Address API
ipify API is a simple public IP address API, easy enough to integrate into any application in seconds.
Close cos 0.861 - 10
Your Free Avatar, Profile, and Link In Bio | Gravatar
Create a global avatar and profile image with Gravatar. Get a free one-page personal site to showcase your identity and connect across the web.
Close cos 0.854 - 11
JumpCloud: Unified Platform for Identity, Access, & Devices
JumpCloud makes it simple to manage Windows, Apple, Linux, and Android devices and to deliver secure access with SSO, MFA, Zero Trust, RADIUS, and more.
Close cos 0.855 - 12
Fingerprint | Identify Every Web Visitor & Mobile Device
The Fingerprint device intelligence platform works across web and mobile applications to identify all visitors with industry-leading accuracy — even if they’re anonymous.
Close cos 0.855 - 13
ipapi - IP Address Lookup and Geolocation API | No SignUp
Enterprise IP Location by Kloudend, Inc - built on AWS, trusted by Fortune 500. Geolocation API for JSON, XML in PHP, JS, Java, Python, Node & more.
Close cos 0.856 - 14
Compliance Solutions for Websites, Apps and Organizations | iubenda
iubenda is your 360° compliance solution for global data privacy laws. Privacy policy generator, cookie consent management, ROPA, Terms and more.
Close cos 0.856 - 15
Conversational AI and APIs for SMS, Email, Voice | Twilio
Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter engagement, and identity verification for trust.
Close cos 0.854 - 16
Your Online Choices | EDAA
Close cos 0.855 - 17
Real-Time Engagement & Conversational AI Platform | Agora
Build ultra-low latency voice, video, chat, and voice AI experiences for meaningful human-to-human and human-to-AI conversations, with flexible APIs and no-code & low-code tools.
Close cos 0.853 - 18
Let's Encrypt
Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.
Close cos 0.854 - 19
Appier | Empowering Businesses to Turn AI into ROI
Comprehensive AI-Powered Solutions: Smoother Operations. Elevated Customer Experience. Better Performance.
Close cos 0.851 - 20
Whitepages: People Search, Phone Numbers & Addresses
Founded in 1997, Whitepages is the largest U.S. directory and trusted source for contact info and property data. Find people, phone numbers, addresses, and emails nationwide. Free and premium search across the Whitepages Identity Graph: 350M+ identity records, 4B+ data linkages, 112M+ property records.
Close cos 0.852 - 21
privacy-focused online search engine
Close cos 0.853 - 22
ClassLink | Identity & Access Management for Education
ClassLink is a provider of identity and access management products offering instant access to apps and files with SSO, class rostering, account provisioning, and analytics.
Close cos 0.851 - 23
You.com | Search and inference for AI
The core AI infrastructure you need to maximize accuracy while reducing latency and costs.
Close cos 0.850 - 24
DuckDuckGo - Protection. Privacy. Peace of mind.
The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.
Close cos 0.851 - 25
Vercel Security Checkpoint
American provider of Voice over IP products
Close cos 0.850 - 26
SSL Certificate & Digital Certificate Authority - SSL.com
SSL.com provides SSL/TLS & digital certificates to secure and encrypt data with our 4096-bit SSL/TLS Certificates, trusted by all popular browsers.
Close cos 0.850 - 27
OpenRouter
The unified interface for every model. Find the best models & prices for your prompts
Related cos 0.848 - 28
Infobip - Build meaningful customer relationships across any communication channel
Engage your customers and prospects with simple drag and drop email, SMS, chatbot or build custom solutions with the best in class APIs
Related cos 0.848 - 29
ThinkingAI - 企业级 AI Agent 平台 | 智能数据分析与自动化运营
ThinkingAI 是企业级 AI Agent 平台，将数据洞察转化为自动化行动。帮助企业构建数据分析、智能运营、A/B 测试和自定义自动化的 AI Agent 团队，已服务 1500+ 全球企业。
Related cos 0.847 - 30
Arkose Labs | See Every AI Agent, Even After It Changes
Personal AI agents like Muse never stop changing. Arkose Titan changes with them and lets you decide what each one can do.
Related cos 0.846
Looking for a particular site? Search its domain, like stripe.com, to get its competitors.