Open API specifications for platform products by Slack
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May 2018 update: OpenAPI v2 spec, new Events API specs
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This repository contains API specifications of Slack platform features and APIs.

You'll find OpenAPI specs for the Slack Web API and AsyncAPI specs for the Events API.

Read more about our open specification strategy in this announcement.

Specification menu

We continue to refine and expand schema and example coverage throughout all of our specifications.

How the specs are made

We use a combination of internal metadata, custom scripting, and old fashioned writing-by-hand to produce these specifications. They don't always tell the whole truth and are subject to author and operator error. They are really useful though.

Pull requests

Because our specifications are artifacts of an incredible machine, we cannot accept pull requests for this repo. Please file issues with suggestions or bugs with the spec itself. Feedback about the APIs or features the specs describe should be directed to Slack's developer support team.