> ## Documentation index
> Fetch the complete documentation index at: https://docs.odysseysignal.com/llms.txt
> Use this file to discover all available pages before exploring further.

# API changelog

> Every change to the Signal API, newest first, with the date it was released.

Last reviewed 9 November 2026

Which changes can happen within a version, and how we tell you about a new version, is described in [API versions and changes](https://docs.odysseysignal.com/api/api-versioning).

## 2026-11-09

- The changelog starts. `/v1/` is the current and only version of the Signal API.