Intermittent 422 error when adding newly created variant to cart via /cart/add.js

[Paige-Shopify]

Hi @LIVEARf,

We’re discussing increased 429 responses in this other thread if you’d like to join and share your experience:

Aggressive bot detection with 429 errors AJAX Cart API

We have been receiving more and more complaints of merchants seeing their cart crash due to 429 errors, not only on the /cart/add.js and other mutation endpoints, but on the /cart.js endpoint as well. The issue is particularly visible when connecting through a VPN (I have used NordVPN P2P connection to US servers) and opening the store in an incognito window. After a couple minutes of normal usage, the Cart API start returning 429 for all its endpoints with the CloudFlare bot challenge and the …