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This integration requires that you have a Slack Workspace

Step 1 Create Slack App

Head to Slack Applications Dashboard and select “From scratch”, fill out all the required Information.

Step 2 Set up OAuth Scopes and redirect URIs


The OAuth2 Redirect URI is the location where the provider will redirect to after trying to login. This needs to set to your Postiz FRONTEND_URL + /integrations/social/ + slack.

  • eg: If you are running on a container, and your Postiz URL is: https://postiz.example.com, then your OAuth2 Redirect URI is https://postiz.example.com/integrations/social/slack
  • eg: If you are running on localhost, and your Postiz URL is http://localhost:4200, then your OAuth2 Redirect URI is http://localhost:4200/integrations/social/slack

You only need to set one OAuth2 Redirect URI when you are setting up your Postiz app.

Head to Features > OAuth & Permissions

  1. Add the redirect URI (see above)
  2. At Scopes > Bot Token Scopes, add these Scopes:
  3. “chat:write”
  4. “channels:read”
  5. “users:read”
  6. “groups:read”
  7. “channels:join”

Step 3 Set an App Icon

Head back to Settings > Basic Information > Display Information Now set an Icon that meets these Requirements:

  1. It has to be an Square
  2. It has to be 512pxx512px to 2000pxx2000px If you do not set an App Icon, Postiz won’t let you install the Integration.

Step 4 Copy Client ID and Secret

Head back to App Credentials, copy the Client ID and Secret and paste it to your Environment:

SLACK_ID=""
SLACK_SECRET=""