How to register a Slack developer account and get OAuth 2 credentials

The guide provides detailed instructions for registering a Slack developer account and obtaining OAuth 2 credentials necessary for integrating Slack into applications, specifically using Unified.to. It begins by requiring a Slack account with admin access to a test workspace, followed by creating an app on the Slack API website, where users receive a Client ID and Client Secret. It emphasizes securely storing these credentials and configuring OAuth 2 settings, including setting redirect URLs and selecting appropriate scopes for the application. Users can choose between Bot Token Scopes and User Token Scopes depending on their integration type, and add necessary scopes for functionalities such as reading messages. The guide further details steps for activating the Slack integration with Unified.to by entering credentials and configuring bot-specific settings, including setting a display name, enabling events, and subscribing to bot events. It concludes with enabling interactivity and storing user and bot IDs upon authorization, preparing users to utilize the Slack integration in their applications.