Courier rate API errors block cart and checkout
Cart and checkout show courier rate API errors such as missing address or 403, blocking customer orders.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 23 January 2023 · last reported 7 October 2025
What's going wrong
Several store owners using The Courier Guy Shipping for WooCommerce report that the cart or checkout page shows an error from the courier rates service.
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 3 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.