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# Cors issue

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Persprojs (@persprojs) · 2025-04-03

Guys im getting cors error while deploying Vercel/Render/Atlas Mongo ----my ecomm store? im a newbie and its giving me headache .....pfa browser log.....if anyone could help...i will share my github url.....thank u so much ------------Frontend Initialization: index-DdSwvrhU.js:61:16338
Environment: production index-DdSwvrhU.js:61:16378
API Base URL: undefined index-DdSwvrhU.js:61:16417
Frontend Initialization Complete index-DdSwvrhU.js:61:16475
Environment Configuration config-NJMOSZJ0.js:1:66
Mode: production config-NJMOSZJ0.js:1:109
API_BASE_URL: https://tmp8-backend.onrender.com config-NJMOSZJ0.js:1:143
API_URL: https://tmp8-backend.onrender.com/api config-NJMOSZJ0.js:1:174
Initial props - Category: , Subcategory: ProductList-CEWqvk9D.js:1:364
Category/Subcategory changed. Resetting page to 1. ProductList-CEWqvk9D.js:1:446
Fetching products for page: 1, category: , subcategory: ProductList-CEWqvk9D.js:1:572
API_URL: https://tmp8-backend.onrender.com/api ProductList-CEWqvk9D.js:1:673
Initial props - Category: , Subcategory: ProductList-CEWqvk9D.js:1:364
Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://tmp8-backend.onrender.com/api/products?page=1&limit=100&category=&subcategory=. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). Status code: 404.
Error loading products: Network Error <anonymous code>:1:145535
Initial props - Category: , Subcategory: ProductList-CEWqvk9D.js:1:364
GET
https://tmp8-frontend.vercel.app/assets/Banner-img1-B6X1OYOH.png
[HTTP/1.1 200 OK 0ms]

GET
![Banner-img2-MJNGjpaT](upload://oBIP8fC92bifP35jiV4YcPxbSi8.png)
[HTTP/1.1 200 OK 0ms]

Category: homeopathy Subcategory: dr reckeweg tinctures index-DdSwvrhU.js:61:8811
Initial props - Category: homeopathy, Subcategory: dr reckeweg tinctures ProductList-CEWqvk9D.js:1:364
Category/Subcategory changed. Resetting page to 1. ProductList-CEWqvk9D.js:1:446
Fetching products for page: 1, category: homeopathy, subcategory: dr reckeweg tinctures ProductList-CEWqvk9D.js:1:572
API_URL: https://tmp8-backend.onrender.com/api ProductList-CEWqvk9D.js:1:673
Initial props - Category: homeopathy, Subcategory: dr reckeweg tinctures ProductList-CEWqvk9D.js:1:364
Initial props - Category: homeopathy, Subcategory: dr reckeweg tinctures ProductList-CEWqvk9D.js:1:364
XHRGET
https://tmp8-backend.onrender.com/api/products?page=1&limit=100&category=homeopathy&subcategory=dr+reckeweg+tinctures
CORS Missing Allow Origin

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://tmp8-backend.onrender.com/api/products?page=1&limit=100&category=homeopathy&subcategory=dr+reckeweg+tinctures. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). Status code: 404.
Error loading products: Network Error <anonymous code>:1:145535
Initial props - Category: homeopathy, Subcategory: dr reckeweg tinctures ProductList-CEWqvk9D.js:1:364
Category: homeopathy Subcategory: adel tinctures index-DdSwvrhU.js:61:8811
Initial props - Category: homeopathy, Subcategory: adel tinctures ProductList-CEWqvk9D.js:1:364
Category/Subcategory changed. Resetting page to 1. ProductList-CEWqvk9D.js:1:446
Fetching products for page: 1, category: homeopathy, subcategory: adel tinctures ProductList-CEWqvk9D.js:1:572
API_URL: https://tmp8-backend.onrender.com/api ProductList-CEWqvk9D.js:1:673
Initial props - Category: homeopathy, Subcategory: adel tinctures ProductList-CEWqvk9D.js:1:364
XHRGET
https://tmp8-backend.onrender.com/api/products?page=1&limit=100&category=homeopathy&subcategory=adel+tinctures
CORS Missing Allow Origin

Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://tmp8-backend.onrender.com/api/products?page=1&limit=100&category=homeopathy&subcategory=adel+tinctures. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). Status code: 404.
Error loading products: Network Error <anonymous code>:1:145535
Initial props - Category: homeopathy, Subcategory: adel tinctures ProductList-CEWqvk9D.js:1:364


Pauline P. Narvas (@pawlean) · 2025-04-03

Hi, @persprojs! Welcome to the Vercel Community :waving_hand: 

We created this thread which may be helpful! Let us know how you get on.
https://community.vercel.com/t/different-ways-to-handle-cors-on-vercel/5127