Contact Form 7 forms fail with 401 errors
Contact Form 7 submissions fail with 401 errors once the REST API block is active for logged-out visitors.
Tier I · Proven The best-established problems.
8 public reports · first reported 2 January 2021 · last reported 3 November 2025
What's going wrong
Site owners who run Contact Form 7 report that after activating Disable WP REST API their contact forms stop sending and the browser console shows 401 Unauthorized errors on the form's REST route.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 8 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.