diff --git a/README.md b/README.md
index 226bbd1694..8fbe3f8363 100644
--- a/README.md
+++ b/README.md
@@ -194,6 +194,23 @@ webExtLogger.consoleStream.makeVerbose();
 webExt.cmd.run({ sourceDir: './src' }, { shouldExitProgram: false });
 ```
 
+You can also access the function for signing directly if you need to provide custom options, though the recommended path is via webExt.cmd.sign():
+
+```js
+import { signAddon } from 'web-ext/util/submit-addon';
+
+signAddon({
+  apiKey,
+  apiSecret,
+  amoBaseUrl: 'https://addons.mozilla.org/api/v5/',
+  id: 'extension-id@example.com',
+  xpiPath: pathToExtension,
+  savedUploadUuidPath: '.amo-upload-uuid',
+  channel: 'unlisted',
+  userAgentString: 'web-ext/0.2',
+});
+```
+
 You can also disable the use of standard input:
 
 ```js
diff --git a/package.json b/package.json
index 35fe283439..790742d108 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,8 @@
   "exports": {
     ".": "./index.js",
     "./util/adb": "./lib/util/adb.js",
-    "./util/logger": "./lib/util/logger.js"
+    "./util/logger": "./lib/util/logger.js",
+    "./util/submit-addon": "./lib/util/submit-addon.js"
   },
   "files": [
     "index.js",
diff --git a/tests/fixtures/webext-as-library/helpers.js b/tests/fixtures/webext-as-library/helpers.js
index 713e310a45..b3a420fae2 100644
--- a/tests/fixtures/webext-as-library/helpers.js
+++ b/tests/fixtures/webext-as-library/helpers.js
@@ -18,6 +18,11 @@ async function testModuleExportedUtils() {
   assert.equal(typeof utilLogger.createLogger, 'function');
   assert.equal(typeof utilLogger.ConsoleStream?.constructor, 'function');
   assert.ok(utilLogger.consoleStream instanceof utilLogger.ConsoleStream);
+
+  const utilSubmitAddon = await import('web-ext/util/submit-addon'); // eslint-disable-line import/no-unresolved
+  assert.equal(typeof utilSubmitAddon.signAddon, 'function');
+  assert.equal(typeof utilSubmitAddon.default, 'function');
+  assert.equal(typeof utilSubmitAddon.JwtApiAuth, 'function');
 }
 
 function assertImportedADB({expectLoaded}) {