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FullContact offers developers powerful contact management APIs to you turn partial contact information into full contact data. Query by email, phone, or company domain and receive rich company data in response. | OAuth is a protocol that aimed to provide a single secure recipe to manage authorizations. It is now used by almost every web application. However, 30+ different implementations coexist. OAuth.io fixes this massive problem by acting as a universal adapter, thanks to a robust API. With OAuth.io integrating OAuth takes minutes instead of hours or days. |
Turn partial contact information into full contact data;Resolve identity;Struture your unstructured data;Provide a complete picture;Make your apps smarter;Enriched person and company data;Responses in JSON, XML, HTML, or vCard;Easy to integrate into almost any software solution, user interface, or platform | Quickly integrate API providers;
More than 100 providers available;
Secured encrypted API;
Simplified API calls;
Web and mobile SDKs;
User and app activity analytics;
Request API: perform actions on behalf of users |
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Stacks 38 | Stacks 21 |
Followers 44 | Followers 145 |
Votes 9 | Votes 12 |
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A set of unified APIs and tools that instantly enables Single Sign On and user management to all your applications.

Stormpath is an authentication and user management service that helps development teams quickly and securely build web and mobile applications and services.

It is an Open Source Identity and Access Management For Modern Applications and Services. It adds authentication to applications and secure services with minimum fuss. No need to deal with storing users or authenticating users. It's all available out of the box.

Devise is a flexible authentication solution for Rails based on Warden

It provides backend services, easy-to-use SDKs, and ready-made UI libraries to authenticate users to your app. It supports authentication using passwords, phone numbers, popular federated identity providers like Google,

You can create unique identities for your users through a number of public login providers (Amazon, Facebook, and Google) and also support unauthenticated guests. You can save app data locally on users’ devices allowing your applications to work even when the devices are offline.

Clearbit builds business intelligence APIs. Retrieve social data from emails and look up company information from domains.

Start selling to enterprise customers with just a few lines of code.

OmniAuth is a Ruby authentication framework aimed to abstract away the difficulties of working with various types of authentication providers. It is meant to be hooked up to just about any system, from social networks to enterprise systems to simple username and password authentication.

It is a self-managed server that secures access to your applications and APIs with OAuth 2.0 and OpenID Connect. It is OpenID Connect Certified and optimized for latency, high throughput, and low resource consumption.