Response Code 429 (Too Many Requests) while using /cart/add.js Ajax API

Shopify Partner
1 0 1


I have been using the Ajax API to retrieve cart details by utilizing the POST /{locale}/cart/add.js endpoint. However, we encountered an error: "Client error: POST https://{store}/cart/add.js resulted in a 429 Too Many Requests response."

After reviewing the documentation, I discovered that for Ajax API requests, there is no specific hard limit imposed. Therefore, I would like to understand the underlying cause of this scenario and also inquire about any possible request limits for the Ajax API.

I hope this clarifies the issue. If you have any further questions or need more information, please let me know.

Replies 2 (2)

Shopify Partner
6 1 0

Same here, and not idea how to possibly resolve this.

Shopify Partner
3 0 0

Same issue on my side. Shopify insists that the issue is with our theme as this doesn't happen on a "fresh" theme. The issue was resolved just by waiting for it to resolve and they still tell me it's issue with my theme while no changes were done...