Hi! I'm trying to get the access token from a shop that has one application I created installed.
I'm calling the "https://integrationtestshimoku.myshopify.com/admin/oauth/access_token" where "https://integrationtestshimoku.myshopify.com" is the URL of my shop that already have the app installed.
The response I'm receiving is: "Oauth error invalid_request: Could not find Shopify API application with api_key"
I'm making the request using Postman with a POST method and a JSON body with the following content:
That sounds strange! I checked out the logs for this request and indeed the Oauth Controller is returning a 400 Bad Request. cliend_id sounds like it could be a typo?
Also, I note that Shimoku test app doesn't exist on https://integrationtestshimoku.myshopify.com anymore now - I would check that the client_id matches the app's API key. They would both be the same. Hope that helps - let me know how you get on!
The keys were OK, It actually was a typo, as you can see in the JSON I was writing: