Ac 2 API update to latest-staging

Issue that this pull request solves

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[ ] Bugfix (non-breaking change which fixes an issue)
[ ] New feature (non-breaking change which adds functionality)
[ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
[ ] Other (please describe):

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[ ] My code follows the style guidelines of this project
[ ] I have performed a self-review of my own code
[ ] I have created new branch for this pull request
[ ] I have commented my code, particularly in hard-to-understand areas
[ ] I have made corresponding changes to the documentation
[ ] My changes generate no new warnings
[ ] My changes does not break the current system and it passes all the current test cases.

Please attach the screenshots of the changes made in case of change in user interface

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