---
title: "Changes to Get trace span"
method: GET
path: "/v1/projects/{projectSlug}/traces/{traceId}/spans/{spanId}"
---

# Changes to Get trace span

`GET /v1/projects/{projectSlug}/traces/{traceId}/spans/{spanId}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 103 revisions.

- **2026-10-08** `f537084bbacc`: 1 info
- **2026-05-19** `55192261472d`: 1 breaking
- **2026-05-15** `1db4c345d895`: 1 info

## Changes

- **2026-10-08** `f537084bbacc`: 1 info
  - added the required property `costSource` to the response with the `200` status
- **2026-05-19** `55192261472d`: 1 breaking
  - the `systemInstructions` response's property type changed from `object` to `array` for status `200`
- **2026-05-15** `1db4c345d895`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/latitude-dev/apis/latitude/docs/v1/projects/:projectSlug/traces/:traceId/spans/:spanId/get.md) - [API](https://skmtc.dev/latitude-dev/apis/latitude.md) - [Page](https://skmtc.dev/latitude-dev/apis/latitude/changes/v1/projects/:projectSlug/traces/:traceId/spans/:spanId/get)