---
title: "Get Source Description Changes"
method: POST
path: "/sources/descriptions/changes"
tags: ["Sources"]
---

# Get Source Description Changes

`POST /sources/descriptions/changes`

Get a list of source description ids that have changed since the specified timestamp.

## Query parameters

- `since` string, required

## Headers

- `Accept` 'application/x-fs-v1+json' | 'application/x-gedcomx-v1+json' | 'application/json' | 'application/x-fs-v1+xml' | 'application/x-gedcomx-v1+xml' | 'application/xml', required
- `Content-Type` 'application/x-fs-v1+json' | 'application/x-gedcomx-v1+json', required

## Response `200`

A list of source descriptions (each with an id) that have changed was returned. See <a href="https://developers.familysearch.org/main/docs/json-schema#sourcedescription" target="_blank">SourceDescription Schema (JSON)</a>

## Other responses

- `204` — None of the specified source descriptions has changed.
- `400` — Indicates that the request could not be understood by the application, possibly due to malformed syntax or invalid parameters.
- `429` — The request was throttled.

---

[API](https://skmtc.net/familysearch/apis/authentication-endpoints.md) · [All operations](https://skmtc.net/familysearch/apis/authentication-endpoints/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/familysearch/authentication-endpoints/versions/2b5020574a62/schema)