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Credential Management API

This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The Credential Management API lets a website store and retrieve both user and federated credentials. These capabilities allow users to sign in without typing passwords, see the federated account they used to sign in to a site, and resume a session without the explicit sign-in flow of an expired session.

Credential management concepts and usage

This API lets websites interact with a user agent’s password system so that websites can deal in a uniform way with site credentials and user agents can provide better assistance with the management of their credentials. For example, user agents have a particularly hard time dealing with federated identity providers or esoteric sign-in mechanisms that use more than just a username and password. To address these problems, the Credential Management API provides ways for a website to store and retrieve different types of password credentials. This give users capabilities such as seeing the federated account they used to sign on to a site, or resuming a session without the explicit sign-in flow of an expired session.

This API is restricted to top-level contexts. Calls to get() and store() within an <iframe> element will resolve without effect.

Use with fetch

The init parameter of the fetch event has a property called credentials. In browsers that support the Credential Management API, this property has been enhanced to take a credential object (either FederatedCredential or PasswordCredential). 


Provides information about an entity as a prerequisite to a trust decision.
Exposes methods to request credentials and notify the user agent when interesting events occur such as successful sign in or sign out. This interfaces is accessible from Navigator.credentials.
Provides information about credentials from a federated identity provider, which is an entity that a website trusts to correctly authenticate a user, and which provides an API for that purpose. OpenID Connect is an example of such a framework.
Provides information about a username/password pair.


Specification Status Comment
Credential Management Level 1 Editor's Draft Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 51.0        
Feature Android Chrome for Android Firefox Mobile (Gecko) Firefox OS IE Phone Opera Mobile Safari Mobile
Basic support   51.0         51.0

Document Tags and Contributors

 Contributors to this page: jpmedley, rolfedh
 Last updated by: jpmedley,