Error 404 not found while sending get request to Shopify

[ziaionic]

Hello everyone !
When I send a get request with client-secret and client-password appending to header, I receive error 404 (Not found)

when I click on button to send request first time I get the following errror

but when I click on button for second and after I get the following error

My code

If I send the request from postman there is no problem

[Sujan12]

Please stop creating multiple topics for the same issue:

How to make an authenticated request to Shopify?

Thanks @ekhmoi for quick response I applied the code but I’m getting unauthorized access please help me if I’m missing anything. actually I’m new in ionic thank you cod in home.ts file [2] console error [1] If I add access-control-allow-origin to header [3] then I get this error in the console [4]

Also: You should invalidate this username/password combination.