# Fluentd Forward Protocol

**Canonical:** https://apis.io/apis/fluentd/fluentd-forward-protocol/  
**Provider:** Fluentd — https://apis.io/providers/fluentd/  
**Documentation:** https://github.com/fluent/fluentd/wiki/Forward-Protocol-Specification-v1

Fluentd Forward Protocol is one of 3 APIs that [Fluentd](https://apis.io/providers/fluentd/) publishes on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Logging, Networking, and Protocol. The published artifact set on APIs.io includes API documentation, an API reference, and an AsyncAPI specification.

The Fluentd Forward Protocol is a binary protocol used to transport event streams between Fluentd nodes and compatible agents over TCP. It supports multiple transport modes including Message, Forward, PackedForward, and CompressedPackedForward, and includes authentication and heartbeat mechanisms.

## Machine-readable artifacts (3)

- **Documentation** — https://github.com/fluent/fluentd/wiki/Forward-Protocol-Specification-v1
- **Reference** — https://docs.fluentd.org/input/forward
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/fluentd/refs/heads/main/asyncapi/fluentd-forward-protocol-asyncapi.yml

## Other Fluentd APIs (2)

- [Fluentd Plugin API](https://apis.io/apis/fluentd/fluentd-plugin-api/)
- [Fluentd Events API](https://apis.io/apis/fluentd/fluentd-events-api/)

## Tags

Logging, Networking, Protocol

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/fluentd/fluentd-forward-protocol/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/fluentd/.