# Fluxtail documentation

> Stable public documentation for sending, routing, reading, and automating Fluxtail logs.

## Start here

- [Send your first log](https://docs.fluxtail.io/getting-started/first-log/)
- [Receiver matrix](https://docs.fluxtail.io/reference/receiver-matrix/)
- [Hosted MCP](https://docs.fluxtail.io/automate/hosted-mcp/)

## All pages

- [Ingest API](https://docs.fluxtail.io/api-reference/ingest/): Public request and response contract for Fluxtail shared HTTP ingest receivers.
- [Stream API](https://docs.fluxtail.io/api-reference/stream/): Read account-isolated Fluxtail logs, histograms, and facets through the public REST API.
- [Hosted MCP](https://docs.fluxtail.io/automate/hosted-mcp/): Connect Codex, Claude Code, Gemini CLI, or VS Code to Fluxtail through hosted OAuth MCP.
- [Core concepts](https://docs.fluxtail.io/getting-started/core-concepts/): Understand Fluxtail accounts, streams, receivers, tokens, logs, and retention.
- [Send your first log](https://docs.fluxtail.io/getting-started/first-log/): Create an HTTP JSON receiver, send one event, and verify it in Fluxtail Live Tail.
- [Fluxtail documentation](https://docs.fluxtail.io/index/): Send logs to Fluxtail, route them into streams, read them in Live Tail, and automate investigations with hosted MCP.
- [Live Tail](https://docs.fluxtail.io/read/live-tail/): Follow new logs, load older history, and inspect events in the Fluxtail product.
- [Search and filters](https://docs.fluxtail.io/read/search-and-filters/): Narrow Fluxtail logs by time, stream, text, service, severity, labels, and Kubernetes fields.
- [Usage](https://docs.fluxtail.io/read/usage/): Understand stored events, bytes, resource limits, and retention in Fluxtail.
- [Log payload fields](https://docs.fluxtail.io/reference/log-payload/): Use Fluxtail's common structured log fields and labels in HTTP JSON events.
- [Receiver matrix](https://docs.fluxtail.io/reference/receiver-matrix/): Compare every published Fluxtail receiver by transport, endpoint, authentication, and use case.
- [Access tokens](https://docs.fluxtail.io/route/access-tokens/): Create account-scoped Fluxtail tokens with the smallest required permissions.
- [Receivers](https://docs.fluxtail.io/route/receivers/): Choose, configure, activate, and safely operate Fluxtail log receivers.
- [Streams](https://docs.fluxtail.io/route/streams/): Route accepted logs into focused, account-owned streams.
- [Beats](https://docs.fluxtail.io/send/beats/): Send Filebeat or Elastic Agent logs through a dedicated Fluxtail TLS receiver.
- [Docker with Fluent Bit](https://docs.fluxtail.io/send/docker/): Tail Docker JSON logs with Fluent Bit and send them to a shared HTTP JSON receiver.
- [Fluent Forward](https://docs.fluxtail.io/send/fluent-forward/): Send Fluent Forward v1 through TLS TCP to a dedicated Fluxtail receiver.
- [GELF](https://docs.fluxtail.io/send/gelf/): Send GELF through UDP or TLS TCP to a dedicated Fluxtail receiver.
- [HTTP JSON](https://docs.fluxtail.io/send/http-json/): Send individual JSON logs or batches through an authenticated Fluxtail shared receiver.
- [OpenTelemetry logs](https://docs.fluxtail.io/send/opentelemetry/): Export OTLP logs to Fluxtail over HTTP JSON, HTTP protobuf, or gRPC.
- [Prometheus](https://docs.fluxtail.io/send/prometheus/): Push Prometheus text exposition or remote_write v1 samples into Fluxtail as log events.
- [StatsD](https://docs.fluxtail.io/send/statsd/): Send StatsD and DogStatsD lines over UDP to a dedicated Fluxtail receiver.
- [Syslog](https://docs.fluxtail.io/send/syslog/): Send RFC 3164 or RFC 5424 logs to a dedicated Fluxtail TLS receiver.
- [Authentication and limits](https://docs.fluxtail.io/troubleshooting/authentication-and-limits/): Understand Fluxtail authentication failures, rate limits, plan limits, and safe recovery.
- [No logs arriving](https://docs.fluxtail.io/troubleshooting/no-logs/): Diagnose a Fluxtail sender that is rejected or does not appear in Live Tail.

## Machine-readable references

- [Ingest OpenAPI](https://docs.fluxtail.io/openapi/ingest.yaml)
- [Stream OpenAPI](https://docs.fluxtail.io/openapi/stream.yaml)
- [Complete documentation](https://docs.fluxtail.io/llms-full.txt)