---
title: "Changes to Create span iframe"
method: POST
path: "/v1/span_iframe"
---

# Changes to Create span iframe

`POST /v1/span_iframe`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 101 revisions.

- **2026-10-30** `8f5039399f77`: 2 breaking
- **2026-09-03** `ebac33c1422e`: 1 breaking
- **2025-06-17** `77a2d5797d94`: 1 info

## Changes

- **2026-10-30** `8f5039399f77`: 2 breaking
  - the request property `description` became not nullable
  - the request property `post_message` became not nullable
- **2026-09-03** `ebac33c1422e`: 1 breaking
  - request body became required
- **2025-06-17** `77a2d5797d94`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/braintrustdata/apis/braintrust-api/docs/v1/span_iframe/post.md) - [API](https://skmtc.dev/braintrustdata/apis/braintrust-api.md) - [Page](https://skmtc.dev/braintrustdata/apis/braintrust-api/changes/v1/span_iframe/post)