Could not load card payment form
Authorize.net card form UI shows Could not load card payment form. when Accept.js or the form bootstrap fails (premium.cardForm.loadFailed).
Why this happens
Script blocked, config endpoint error, or public client key missing. Sibling of Authorize.net is not available (config error state) — this is the load-failed label.
Diagnose and fix
1. Hard refresh; allow Authorize.net scripts; retry on HTTPS.
2. Admin: confirm Authorize.net credentials and checkout enabled.
3. Check Network/CSP for blocked Accept.js.
4. Use another payment method if card form stays broken.