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Keep in mind that developers will only be able to explore non-private API's. If the API's are defined as private through the version definition - they will not be visible here.
The chosen partner is shown at the top - and is updated if you go to the "Partners" screen and double click on a partner OR if you through "My applications" click on the subscriped API link. Check the partner name at the top of the screen before you start your search.
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