diff --git a/.changeset/violet-rocks-swim.md b/.changeset/violet-rocks-swim.md
new file mode 100644
index 00000000000..42f9605ae6d
--- /dev/null
+++ b/.changeset/violet-rocks-swim.md
@@ -0,0 +1,5 @@
+---
+"@clerk/clerk-js": patch
+---
+
+Bug fix: Requests failing due to incorrect parsing of value `false` when content type is `x-www-form-urlencoded`
diff --git a/packages/clerk-js/src/utils/__tests__/querystring.test.ts b/packages/clerk-js/src/utils/__tests__/querystring.test.ts
index 52744ac772f..5dbfa1ff0b7 100644
--- a/packages/clerk-js/src/utils/__tests__/querystring.test.ts
+++ b/packages/clerk-js/src/utils/__tests__/querystring.test.ts
@@ -65,6 +65,10 @@ describe('stringifyQueryParams(object)', () => {
     expect(stringifyQueryParams({ test: 'ena=duo' })).toBe('test=ena%3Dduo');
   });
 
+  it('handles false value', () => {
+    expect(stringifyQueryParams({ test: false, boo: true })).toBe('test=false&boo=true');
+  });
+
   it('converts an object to querystring when key is camelCase', () => {
     expect(stringifyQueryParams({ barFoo: '1' }, { keyEncoder: camelToSnake })).toBe('bar_foo=1');
     expect(stringifyQueryParams({ unsafeMetadata: { bar: '1' } }, { keyEncoder: camelToSnake })).toBe(
diff --git a/packages/clerk-js/src/utils/querystring.ts b/packages/clerk-js/src/utils/querystring.ts
index c63533d36a6..5142b7f5f95 100644
--- a/packages/clerk-js/src/utils/querystring.ts
+++ b/packages/clerk-js/src/utils/querystring.ts
@@ -23,7 +23,7 @@ type StringifyQueryParamsOptions = {
 
 export const stringifyQueryParams = (
   params:
-    | Record<string, string | undefined | null | object | Array<string | undefined | null>>
+    | Record<string, string | undefined | null | object | boolean | Array<string | undefined | null>>
     | null
     | undefined
     | string,
@@ -48,7 +48,7 @@ export const stringifyQueryParams = (
     } else if (typeof value === 'object' && value !== null) {
       queryParams.append(encodedKey, JSON.stringify(value));
     } else {
-      queryParams.append(encodedKey, value || '');
+      queryParams.append(encodedKey, String(value ?? ''));
     }
   });