GitLab

GitLab OAuth 2.0 API

The GitLab OAuth 2.0 API enables third-party services to access GitLab resources on behalf of users using the OAuth 2.0 protocol. It supports authorization code with PKCE, device authorization grant, and resource owner password credentials flows, allowing secure delegation of access to GitLab resources.

GitHub OpenAPI

Documentation

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Documentation
https://docs.gitlab.com/api/oauth2/
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Authentication
https://docs.gitlab.com/integration/oauth_provider/

Specifications

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OpenAPI
https://raw.githubusercontent.com/api-evangelist/gitlab/refs/heads/main/openapi/gitlab-oauth2-openapi.yml