Slack intros 'Sign in with Slack' to streamline app logins

Workplace collaboration platform Slack has released a new feature that will let people use their Slack identity to login to third party applications linked to the messaging service.

They're calling the feature Sign in with Slack and the first companies to partner with an integration are cloud-based word processing app Quip, along with Figma, Office Vibes, Smooz and Slackline.

"When a user signs up for your app using Sign in with Slack, they'll be instantly connected to their teammates within your product," Slack wrote in a blog post. "For customers, this is an invisible but delightful feature. It exemplifies our mission in action  --  making people's working lives simpler, more pleasant, and more productive  --  by keeping teams effortlessly in sync."

For developers, Slack says the integration is easily built into existing applications via an API. It uses OAuth 2.0 and also includes settings that developers can modify in order to control what information is needed for a third-party app login.

For people using Slack, perks of a single sign-on option are obvious. Users will be able to simply tap a button to accesses their Slack credentials and verify their identity on any partner app. Basically it takes some of the pain out of managing multiple accounts for business apps.

For Slack, this is an important step in the company's journey to become the de facto communications portal in the enterprise workflow. Much like similar offerings from Facebook and Google, Sign in with Slack is a part of a larger effort to create a social networking platform for businesses.

But unlike Facebook and Google, Slack is actually succeeding -- almost four out of five Fortune 100 companies use the Slack platform.

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