1. 1. Intro and Motivation
2. 2. Getting Started
3. 3. Slack Web API client
4. 1. 3.1. Pagination support
   2. 3.2. Block Kit support
   3. 3.3. Send webhook messages
   4. 3.4. Hyper connection types and proxy support
   5. 3.5. Rate control and retries
   6. 3.6. Observability and tracing
5. 4. Events API
6. 1. 4.1. Hyper-based
   2. 4.2. Axum-based
7. 5. Socket Mode
8. 6. User state
9. 7. Limitations