CDN setup test returns 400 bad request errors
Setup test and cache check return 400 Bad Request or unknown errors, so the CDN cannot be enabled.
Tier I · Proven The best-established problems.
6 public reports · first reported 3 September 2020 · last reported 24 July 2025
What's going wrong
Owners who install the Shift8 CDN plugin report that the built-in test URL and check buttons fail with 400 Bad Request or a generic unknown error, even when the API key and prefix were copied correctly.
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 6 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.