diff --git a/api_docs/changelog.md b/api_docs/changelog.md
index 638d932485..97b36002c0 100644
--- a/api_docs/changelog.md
+++ b/api_docs/changelog.md
@@ -25,6 +25,11 @@ format used by the Zulip server that they are interacting with.
 * [`GET /export/realm/consents`](/api/get-realm-export-consents): Added
   a new endpoint to fetch the consents of users for their [private data
   exports](/help/export-your-organization#full-export-with-member-consent).
+* `/api/v1/tus` is an endpoint implementing the [`tus`
+  protocol](https://tus.io/protocols/resumable-upload) for resumable uploads.
+  Clients which send authenticated credentials (either via browser-based
+  cookies, or API key via `Authorization` header) may use this endpoint to
+  create uploads, similar to [`POST /user_uploads`](/api/upload-file).
 
 **Feature level 294**
 
diff --git a/zerver/openapi/zulip.yaml b/zerver/openapi/zulip.yaml
index 30507614c2..7ae782a936 100644
--- a/zerver/openapi/zulip.yaml
+++ b/zerver/openapi/zulip.yaml
@@ -8235,6 +8235,14 @@ paths:
         can reshare it with other users by sending additional Zulip messages
         containing the link.
 
+        For uploading larger files, `/api/v1/tus` is an endpoint
+        implementing the [`tus`
+        protocol](https://tus.io/protocols/resumable-upload) for
+        resumable uploads. Clients which send authenticated
+        credentials (either via browser-based cookies, or API key via
+        `Authorization` header) may use this endpoint to create
+        uploads.
+
         [uploaded-files]: /help/manage-your-uploaded-files
         [send-message]: /api/send-message
       x-parameter-description: |