> ## Documentation Index
> Fetch the complete documentation index at: https://docs.barndoor.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Create a user API key lifetime override

> Override the policy for one user. A user override wins outright: it replaces the user's group overrides and the default, so it can be looser or stricter than both. One with neither field set exempts the user.



## OpenAPI

````yaml /api-reference/openapi.yaml post /api/llm-gateway/admin/api-key-lifetime-policies/users
openapi: 3.1.0
info:
  title: Barndoor.ai Public API
  description: Unified public API specification for Barndoor.ai platform
  version: 2.18.0
servers:
  - url: https://{host}
    description: Barndoor public API
    variables:
      host:
        default: platform.barndoor.ai
        description: >-
          The host serving your Barndoor deployment. Defaults to production;
          override it for another environment or a dedicated deployment.
security:
  - ApiKey: []
  - OAuth2:
      - openid
      - profile
      - email
tags:
  - name: dlp
    x-group: Data Control Center
  - name: identity
    x-group: Identity
  - name: llm-gateway
    x-group: LLM Gateway
  - name: notification
    x-group: Notifications
  - name: policy
    x-group: Policies
  - name: registry
    x-group: MCP Gateway
  - name: system-management
    x-group: Log Exports
paths:
  /api/llm-gateway/admin/api-key-lifetime-policies/users:
    post:
      tags:
        - llm-gateway
      summary: Create a user API key lifetime override
      description: >-
        Override the policy for one user. A user override wins outright: it
        replaces the user's group overrides and the default, so it can be looser
        or stricter than both. One with neither field set exempts the user.
      operationId: create_user_lifetime_policy
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateUserLifetimePolicyRequest'
        required: true
      responses:
        '200':
          description: The created record
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiKeyLifetimeUserOverride'
        '400':
          description: Malformed request
        '401':
          description: Missing or invalid credentials
        '403':
          description: Caller is not permitted to act on this resource in this organization
        '409':
          description: Conflicts with an existing record
components:
  schemas:
    CreateUserLifetimePolicyRequest:
      type: object
      required:
        - user_id
      properties:
        fixed_lifetime:
          type: boolean
          description: Give every key exactly `max_lifetime_days`.
        max_lifetime_days:
          type:
            - integer
            - 'null'
          format: int32
        require_expiry:
          type: boolean
        user_id:
          type: string
          format: uuid
          description: >-
            The user to override the policy for; must belong to the
            organization.
    ApiKeyLifetimeUserOverride:
      type: object
      description: >-
        A per-user override (BCP-5283). It wins outright: the user's group
        overrides

        and the org default don't apply to them.
      required:
        - id
        - user_id
        - require_expiry
        - fixed_lifetime
        - updated_at
      properties:
        fixed_lifetime:
          type: boolean
          description: >-
            Every key gets exactly `max_lifetime_days`. Requires
            `max_lifetime_days`.
        id:
          type: string
          format: uuid
        max_lifetime_days:
          type:
            - integer
            - 'null'
          format: int32
          description: Longest a key may live, in days. `None` = no maximum.
        require_expiry:
          type: boolean
          description: The key must have an expiry, even when there is no maximum.
        updated_at:
          type: string
          format: date-time
        updated_by_user_id:
          type:
            - string
            - 'null'
          format: uuid
        user_id:
          type: string
          format: uuid
          description: The user this override applies to.
  securitySchemes:
    ApiKey:
      type: http
      scheme: bearer
      description: >-
        A Barndoor API key, sent as `Authorization: Bearer <key>`. Keys are
        prefixed `bdai_` and are opaque — do not attempt to decode one.
        Interchangeable with an OAuth 2.0 access token.
    OAuth2:
      type: oauth2
      x-issuer: https://auth.barndoor.ai/realms/barndoor
      description: >-
        An OAuth 2.0 access token from Barndoor's identity provider, sent as
        `Authorization: Bearer <token>`. Public clients must use PKCE.
        Interchangeable with an API key.
      flows:
        authorizationCode:
          authorizationUrl: >-
            https://auth.barndoor.ai/realms/barndoor/protocol/openid-connect/auth
          tokenUrl: >-
            https://auth.barndoor.ai/realms/barndoor/protocol/openid-connect/token
          scopes:
            openid: Issue an OIDC ID token identifying the caller.
            profile: Read the caller's basic profile claims.
            email: Read the caller's email address.
            offline_access: Issue a refresh token. Optional — no operation requires it.
        clientCredentials:
          tokenUrl: >-
            https://auth.barndoor.ai/realms/barndoor/protocol/openid-connect/token
          scopes:
            openid: Issue an OIDC ID token identifying the caller.
            profile: Read the caller's basic profile claims.
            email: Read the caller's email address.
            offline_access: Issue a refresh token. Optional — no operation requires it.

````

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