> For the complete documentation index, see [llms.txt](https://docs.trade.mn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.trade.mn/api-doc/signed-trade-endpoint-security/timing-security.md).

# Timing security

A `SIGNED` endpoint also requires a parameter, `timestamp`, to be sent which should be the millisecond timestamp of when the request was created and sent.