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# Channels

## Docs

- [Publish/Subscribe Operations](https://buildwithfern.com/learn/api-definitions/asyncapi/channels/pubsub.md): Define AsyncAPI publish/subscribe operations for event-driven APIs. Step-by-step tutorial with message examples and bi-directional channels.
- [Message Formats](https://buildwithfern.com/learn/api-definitions/asyncapi/channels/messages.md): Define message schemas, content types, and structure for event-driven communication
- [Message Bindings](https://buildwithfern.com/learn/api-definitions/asyncapi/channels/bindings.md): Configure protocol-specific settings for WebSocket, MQTT, Kafka, and other protocols