Claude Platform Docs

Add RBAC Group Member

POST/v1/organizations/rbac_groups/{group_id}/members

Add a User to an RBAC Group. Membership of groups provisioned by an identity provider (source type "scim") cannot be modified via the API while an organization in the tenant uses SCIM provisioning.

The RBAC Groups API is available to Claude Enterprise organizations only.

Path parameters
group_id: string

ID of the RBAC Group.

Body
user_id: string

ID of the User.

Returns
BetaRBACGroupMember object{ type, created_at, email, 2 more }
type: "rbac_group_member"

Object type.

For RBAC Group Members, this is always "rbac_group_member".

defaultrbac_group_member
created_at: string

RFC 3339 timestamp of when the User was added to the RBAC Group.

formatdate-time
email: string

Email of the User.

group_id: string

ID of the RBAC Group.

user_id: string

ID of the User.

Add RBAC Group Member
curl https://api.anthropic.com/v1/organizations/rbac_groups/$GROUP_ID/members \
    -H 'Content-Type: application/json' \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: ce-user-management-2026-07-13' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY" \
    -d '{
          "user_id": "user_01WCz1FkmYMm4gnmykNKUu3Q"
        }'
Returns Examples
Response 200
{
  "created_at": "2024-10-30T23:58:27.427722Z",
  "email": "user@emaildomain.com",
  "group_id": "rbac_group_012rppKaSVsmTo6NqRDXQXNF",
  "type": "rbac_group_member",
  "user_id": "user_01WCz1FkmYMm4gnmykNKUu3Q"
}