Getting "Cannot remove the API" in WSO2 API Manager

I tried to delete an API in the WSO2 API Manager Publisher at https://hostname:9443/publisher/ but received the error Cannot remove the API as active subscriptions exist (see screenshot below).

To delete this API, navigate to the WSO2 API Manager Developer Portal at https://hostname:9443/devportal/.

Click on "Applications" and you will notice that the application DefaultApplication has 2 active subscriptions (see screenshot below). Applications can be created here to allow you group APIs into a logical grouping. Each application has a consumer key and consumer secret pair.

Click on the application name then click on "Subscriptions" on the left-most navigation pane.

Now the subscriptions appear. Click on "Delete". Now you should be able to delete the API from the Publisher.

A subscription means that there are active users subscribed to the API.

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References:

• https://techglimpse.com/wso2-cannot-remove-api-as-active-subscriptions-exists-solution/