diff --git a/.changeset/silver-berries-buy.md b/.changeset/silver-berries-buy.md
new file mode 100644
index 0000000..ad778b4
--- /dev/null
+++ b/.changeset/silver-berries-buy.md
@@ -0,0 +1,5 @@
+---
+'@team-plain/typescript-sdk': minor
+---
+
+Expose `AttachmentType` for use when creating attachment upload urls
diff --git a/src/examples/createAttachmentUploadUrl.ts b/src/examples/createAttachmentUploadUrl.ts
new file mode 100644
index 0000000..f3252f4
--- /dev/null
+++ b/src/examples/createAttachmentUploadUrl.ts
@@ -0,0 +1,18 @@
+import { AttachmentType, PlainClient } from '../';
+
+export async function createAttachmentUploadUrl() {
+  const client = new PlainClient({ apiKey: 'XXX' });
+
+  const res = await client.createAttachmentUploadUrl({
+    customerId: 'c_XXXXXXXXXXXXXXXXXXXXXXXXXX',
+    fileName: 'the-filename.jpeg',
+    fileSizeBytes: 32318,
+    attachmentType: AttachmentType.CustomTimelineEntry,
+  });
+
+  if (res.error) {
+    console.error(res.error);
+  } else {
+    console.log(`Attachment upload url created!`, res.data);
+  }
+}
diff --git a/src/index.ts b/src/index.ts
index c101596..c902fdc 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -4,6 +4,7 @@ export { PlainClient } from './client';
 
 export {
   // Enums
+  AttachmentType,
   ComponentBadgeColor,
   ComponentDividerSpacingSize,
   ComponentPlainTextColor,