# Fluentd

**Canonical:** https://apis.io/providers/fluentd/  
**Website:** https://www.fluentd.org/  
**APIs profiled:** 3

Open source data collector for unified logging layer that allows you to unify data collection and consumption for better use and understanding of data.

## Kin Score — 35.1 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 35.1).

| Facet | Score |
|---|---|
| Discoverability | 46.3 |
| Contract Quality | 61.7 |
| Governance | 11.4 |
| Contract Governance | 11.4 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 28.6 |
| Commercial Clarity | 15.8 |
| Access Clarity | 15.8 |

## Agent readiness — 27.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium — onboarding: unknown, pricing: freemium, trial: no (confidence: medium).

## APIs (3)

- **Fluentd Plugin API** — The Fluentd Plugin API allows developers to write custom input, output, filter, parser, formatter, and buffer plugins in Ruby. Plugins are distributed as RubyGems and integrate ...
- **Fluentd Forward Protocol** — 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 incl...
- **Fluentd Events API** — Operations for posting log events and records to Fluentd via HTTP.

## Agentic access (1)

- **Fluentd Agentic Access** — 2 operations · 2 acting

## Security (1)

- **Fluentd Domain Security** — TLSv1.3 · HSTS

## Plans (1)

- **Fluentd Plans Pricing**

## Tags

Data Collection, Logging, Open-Source

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/fluentd/). Scores are computed from the provider's own public artifacts under a published rubric.