We've recently moved some of the REST API documentation. If you can't find what you're looking for, you might try the new Branches, Collaborators, Commits, Deploy Keys, Deployments, GitHub Pages, Releases, Metrics, Webhooks REST API pages.
Commits
A API de commits permite que você liste, visualize e compare commits em um repositório. Você também pode interagir com os comentários do commit e com os status do commit.