diff --git a/chrome/content/zotero/xpcom/localAPI/server_localAPI.js b/chrome/content/zotero/xpcom/localAPI/server_localAPI.js
index a142a285db..b7581426ff 100644
--- a/chrome/content/zotero/xpcom/localAPI/server_localAPI.js
+++ b/chrome/content/zotero/xpcom/localAPI/server_localAPI.js
@@ -741,6 +741,71 @@ Zotero.Server.Endpoints["/api/users/:userID/items/:itemKey/file/view/url"] = Zot
 Zotero.Server.Endpoints["/api/groups/:groupID/items/:itemKey/file/view/url"] = Zotero.Server.LocalAPI.ItemFile;
 
 
+Zotero.Server.LocalAPI.ItemFullText = class extends LocalAPIEndpoint {
+	supportedMethods = ['GET'];
+
+	async run({ pathParams, libraryID }) {
+		let item = await Zotero.Items.getByLibraryAndKeyAsync(libraryID, pathParams.itemKey);
+		if (!item || !item.isFileAttachment() || !Zotero.Fulltext.isCachedMIMEType(item.attachmentContentType)) {
+			return _404;
+		}
+		let file = Zotero.Fulltext.getItemCacheFile(item);
+		if (!file.exists()) {
+			return _404;
+		}
+		let { indexedPages, totalPages, indexedChars, totalChars, version } = await Zotero.DB.rowQueryAsync(
+			"SELECT indexedPages, totalPages, indexedChars, totalChars, version FROM fulltextItems WHERE itemID=?",
+			item.id
+		);
+		return [
+			200,
+			{
+				'Content-Type': 'application/json',
+				'Last-Modified-Version': version,
+			},
+			JSON.stringify(
+				{
+					content: await Zotero.File.getContentsAsync(file),
+					indexedPages: indexedPages ?? undefined,
+					totalPages: totalPages ?? undefined,
+					indexedChars: indexedChars ?? undefined,
+					totalChars: totalChars ?? undefined,
+				},
+				null,
+				4
+			)
+		];
+	}
+};
+Zotero.Server.Endpoints["/api/users/:userID/items/:itemKey/fulltext"] = Zotero.Server.LocalAPI.ItemFullText;
+Zotero.Server.Endpoints["/api/groups/:groupID/items/:itemKey/fulltext"] = Zotero.Server.LocalAPI.ItemFullText;
+
+
+Zotero.Server.LocalAPI.FullText = class extends LocalAPIEndpoint {
+	supportedMethods = ['GET'];
+
+	async run({ searchParams, libraryID }) {
+		let since = parseInt(searchParams.get('since'));
+		if (Number.isNaN(since)) {
+			return [400, 'text/plain', `Invalid 'since' value '${searchParams.get('since')}'`];
+		}
+		let rows = await Zotero.DB.queryAsync(
+			"SELECT I.key, FI.version "
+				+ "FROM fulltextItems FI JOIN items I USING (itemID) "
+				+ "WHERE libraryID=? AND FI.version>?",
+			[libraryID, since]
+		);
+		let obj = {};
+		for (let row of rows) {
+			obj[row.key] = row.version;
+		}
+		return [200, 'application/json', JSON.stringify(obj, null, 4)];
+	}
+};
+Zotero.Server.Endpoints["/api/users/:userID/fulltext"] = Zotero.Server.LocalAPI.FullText;
+Zotero.Server.Endpoints["/api/groups/:groupID/fulltext"] = Zotero.Server.LocalAPI.FullText;
+
+
 Zotero.Server.LocalAPI.Searches = class extends LocalAPIEndpoint {
 	supportedMethods = ['GET'];
 
diff --git a/test/tests/server_localAPITest.js b/test/tests/server_localAPITest.js
index cab89a8646..76ed587095 100644
--- a/test/tests/server_localAPITest.js
+++ b/test/tests/server_localAPITest.js
@@ -142,6 +142,25 @@ describe("Local API Server", function () {
 					{ responseType: 'text', followRedirects: false });
 				assert.isTrue(request.getResponseHeader('Location').startsWith('file:'));
 			});
+
+			it("should return full-text data from /fulltext", async function () {
+				let { response } = await apiGet(`/users/0/items/${subcollectionAttachment.key}/fulltext`);
+				assert.deepEqual(response, {
+					content: 'Zotero [zoh-TAIR-oh] is a free, easy-to-use tool to help you collect, organize, cite, and share your research sources.',
+					indexedPages: 1,
+					totalPages: 1,
+				});
+			});
+
+			it("should return a 404 from /fulltext when attachment has no full-text content", async function () {
+				let tempAttachment = await importFileAttachment('empty.pdf');
+				let { response } = await apiGet(`/users/0/items/${tempAttachment.key}/fulltext`, {
+					successCodes: [404],
+					responseType: 'text'
+				});
+				assert.equal(response, 'Not found');
+				await tempAttachment.eraseTx();
+			});
 		});
 		
 		describe("?itemType", function () {
@@ -280,7 +299,14 @@ describe("Local API Server", function () {
 			assert.equal(response[0].meta.numItems, 1);
 		});
 	});
-	
+
+	describe("<userOrGroupPrefix>/fulltext?since=", function () {
+		it("should return items with full-text content", async function () {
+			let { response } = await apiGet('/users/0/fulltext?since=0');
+			assert.deepEqual(Object.entries(response), [[subcollectionAttachment.key, subcollectionAttachment.version]]);
+		});
+	});
+
 	describe("/groups/<groupID>", function () {
 		it("should return 404 for unknown group", async function () {
 			let { response } = await apiGet(