Skip to content


SEQ is a log visualiser (with its own file system for fast querying). Applications using any logging tool can send logs to SEQ using any log adapter is available. Apps can even send logs to SEQ by using the SEQ API. SEQ has developed adapters to common logging tools such as Serilog, log4net, Powershell and many more. Stack9-core uses pino (low overhead NodeJs logger) and the stream pino-seq to pump logs/events into SEQ.

Logging to Seq

In order to send logs to Seq you must set the following environment variables:


Follow the instructions here to create a seq API Key.