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

# Install License

> Reference for merged 0.6.0 source. The latest verified binary release is 0.5.5; use your Engine’s /api/openapi.json for its installed contract.



## OpenAPI

````yaml /engine/openapi.json post /api/license
openapi: 3.1.0
info:
  title: nerditd
  version: 0.6.0
  description: >-
    Current source interface (0.6.0); verify your installed Engine version. This
    is not a claim that 0.6.0 is released.
servers:
  - url: http://127.0.0.1:9321
    description: Default local Engine; use your configured endpoint.
security: []
paths:
  /api/license:
    post:
      tags:
        - System
      summary: Install License
      description: >-
        Reference for merged 0.6.0 source. The latest verified binary release is
        0.5.5; use your Engine’s /api/openapi.json for its installed contract.
      operationId: install_license
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/LicenseInstallRequest'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LicenseInstallView'
          description: HTTP 200 response
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: HTTP 422 response
components:
  schemas:
    LicenseInstallRequest:
      properties:
        blob:
          type: string
          maxLength: 8192
          minLength: 1
          title: Blob
      additionalProperties: false
      type: object
      required:
        - blob
      title: LicenseInstallRequest
    LicenseInstallView:
      properties:
        lid:
          type: string
          title: Lid
        plan:
          type: string
          title: Plan
        features:
          items:
            type: string
          type: array
          title: Features
        state:
          type: string
          title: State
        expires_at:
          type: string
          title: Expires At
        expires_in_s:
          anyOf:
            - type: integer
            - type: 'null'
          title: Expires In S
        customer_id:
          type: string
          title: Customer Id
        installed:
          type: boolean
          title: Installed
          default: true
      type: object
      required:
        - lid
        - plan
        - features
        - state
        - expires_at
        - expires_in_s
        - customer_id
      title: LicenseInstallView
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError

````