I want to commit or add file to bit bucket repository branch

unknown

Is there any API to create branch in repository  and commit changes or add files to repository.

DivyangD

Yes, you can create a branch using API 2.0 as following

https://api.bitbucket.org/2.0/repositories/{repo_slug}/src/ --F "parents={parent_hash}" --F "branch={branch_name}"

 Here is the documentation of API