gitlab-ce/doc/api/chat.md

stage	group	info	description
AI-Powered	Duo Chat	To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments	Documentation for the REST API for Duo Chat.

GitLab Duo Chat Completions API

The GitLab Duo Chat Completions API generates Chat responses. This API is for internal use only.

Generate Chat responses

• Introduced in GitLab 16.7 with a flag named access_rest_chat. Disabled by default. This feature is internal-only.

POST /chat/completions

NOTE: Requests to this endpoint are proxied to the AI Gateway.

Supported attributes:

Attribute	Type	Required	Description
content	string	Yes	Question sent to Chat.
resource_type	string	No	Type of resource that is sent with Chat question.
resource_id	string, integer	No	ID of the resource. Can be a resource ID (integer) or a commit hash (string).
referer_url	string	No	Referer URL.
client_subscription_id	string	No	Client Subscription ID.
with_clean_history	boolean	No	Indicates if we need to reset the history before and after the request.
project_id	integer	No	Project ID. Required if resource_type is a commit.

Example request:

curl --request POST \
  --header "Authorization: Bearer <YOUR_ACCESS_TOKEN>" \
  --header "Content-Type: application/json" \
  --data '{
      "content": "how to define class in ruby"
    }' \
  --url "https://gitlab.example.com/api/v4/chat/completions"

Example response:

"To define class in ruby..."