If you've integrated a system with HubSpot and it's interfacing with any of the data in your portal it would definitely be consuming a certain amount of API calls. However, this isn't necessarily something that you'd be "paying" for. It really depends on the type of app it is but the API limits can be found here:
If it's a "private app" you can look at the logs to understand how many API calls it's consuming. If it's an app installed via the ecosystem or another source you won't have any visibility on this. However, the API limits are quite generous and shouldn't cause any issues for you.
If you've integrated a system with HubSpot and it's interfacing with any of the data in your portal it would definitely be consuming a certain amount of API calls. However, this isn't necessarily something that you'd be "paying" for. It really depends on the type of app it is but the API limits can be found here:
If it's a "private app" you can look at the logs to understand how many API calls it's consuming. If it's an app installed via the ecosystem or another source you won't have any visibility on this. However, the API limits are quite generous and shouldn't cause any issues for you.
