---
stage: Ecosystem
group: Integrations
info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
---

# API V3 to API V4

WARNING:
The GitLab API v3 was [removed](https://gitlab.com/gitlab-org/gitlab-foss/-/issues/36819) in GitLab 11.0.

For information about the current version of the GitLab API, read the [API documentation](index.md).

## Related topics

- [GitLab v3 API documentation](https://gitlab.com/gitlab-org/gitlab-foss/-/blob/8-16-stable/doc/api/index.md)
- [Migration guide](https://gitlab.com/gitlab-org/gitlab-foss/-/blob/11-0-stable/doc/api/v3_to_v4.md) from
  v3 to v4