Invalid API key or access token (unrecognized login or wrong password)

[kulvir981]

Hello,
I have created private app for my shopify store and provide required scopes and while using admin api via Postman, I am getting following error

"errors": "[API] Invalid API key or access token (unrecognized login or wrong password)"
Please help me to solve this issue asap.
Let me know if you need anything from my side.
https://prnt.sc/huy_RSJaTbfx

[loganaa]

header 

X-Shopify-Access-Token 

hope this helps