Get shipping services available from third-party app

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Hello community, I have a problem when registering new rates for an area, I have a third-party app for the issue of shipments, I know that when registering the rate shopify makes a quote to the app sending the address of the store as origin and destination and what the API responds to them shows it as the available services.


I have detected that shopify stopped making the request to the callback_url that it has registered when registering a new rate, do you know why this is due?


I have developed the shipping app and the store is a development app, so there should be no problems due to the type of plan.


This is an example of how the App is registered:


    "carrier_services": [