---
title: "Create Experiment Note"
method: POST
path: "/api/v1/experiments/{xid}/notes"
tags: ["experiments"]
---

# Create Experiment Note

`POST /api/v1/experiments/{xid}/notes`

## Path parameters

- `xid` string, required

## Request body

- CreateExperimentNoteRequest
  - `text` string, required

## Response `200`

Successful Response

- ExperimentNoteResponse
  - `note` ExperimentNote, required
    - `id` string, required
    - `xid` string, required
    - `text` string, required
    - `created_by` string, required
    - `created_at` string, date-time, required

## Changes

- **2026-09-24** `4087cc7a74aa` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/trajectory/apis/trajectory-api/changes/api/v1/experiments/:xid/notes/post.md)

---

[API](https://skmtc.dev/trajectory/apis/trajectory-api.md) · [All operations](https://skmtc.dev/trajectory/apis/trajectory-api/llms.txt) · [OpenAPI document](https://skmtc.dev/trajectory/apis/trajectory-api/revisions/8331f8435ce8?raw)