# Documentation

**URL:** https://forum.letta.com/c/documentation/11.md

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## [About the Documentation category](https://forum.letta.com/t/about-the-documentation-category/17)

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**Author:** [@cpacker](https://forum.letta.com/u/cpacker)\
**Replies:** 0\
**Last updated:** [May 21, 2025, 9:12pm UTC](https://forum.letta.com/t/about-the-documentation-category/17 "2025-05-21T21:12:28Z")

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Suggestions and feedback on the Letta developer documentation. View our documentation at https://docs.letta.com

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## [How to Implement a Delayed Scheduled Message Tool](https://forum.letta.com/t/how-to-implement-a-delayed-scheduled-message-tool/158)

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**Author:** [@ezra](https://forum.letta.com/u/ezra)\
**Replies:** 12\
**Last updated:** [January 14, 2026, 10:38pm UTC](https://forum.letta.com/t/how-to-implement-a-delayed-scheduled-message-tool/158 "2026-01-14T22:38:34Z")

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Scheduling in Letta uses absolute timestamps via the /v1/agents/{agent\_id}/messages/scheduled endpoint. But agents aren’t great at calculating exact times from relative delays like “in 1 hour.” This guide shows how to b…